Extended Life 10W-40 Synthetic Motor Oil (XLO)
AMSOIL XL Synthetic Motor Oil is the choice for those who want to do something extra for their vehicle. Its boosted formulation delivers extra cleaning power, outstanding wear control, excellent high and low temperature protection and exceptional fuel economy. XL is engineered for advanced automotive technology, including turbos and direct injection. It is packed with extra engine protection, allowing you to go up to 12,000 miles / 19,000 kms or one year, whichever comes first, between oil changes.
Product Code: XLO •
Brand: AMSOIL
Product Details
Tech Data
Reviews & RatingRelated Videos
Product Applications Product Application Specs XLO 10W-40 Synthetic Motor Oil
Product Description
Resists Oil Breakdown 
Protects Pistons from Low-Speed Pre-Ignition (LSPI)
Keeps Engines Clean
Hot and Cold-Engine Protection
Maximizes Fuel Economy & Maintains Low Emissions 1 Based on independent testing of AMSOIL XL 5W-30 motor oil in the GMOD engine test required for the GM dexos1 Gen2 specification.
2 Based on zero LSPI events in five consecutive tests of AMSOIL XL 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification. 3 vs. AMSOIL OE Motor Oil 4 Applicable to XL 0W-20, 5W-20, 5W-30 and 10W-30 motor oil. All trademarked names are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
COMPATIBILITY & MIXING AMSOIL
TECHNICAL SERVICES
SERVICE LIFE HEALTH & SAFETY Click here to view the MSDS Data Sheet for AMSOIL XLO. Keep out of the reach of children. Don't pollute. Return used oil to collection centers.
LSPI Super Knock Prevention
Lives up to expectationsLove that I can change my oil once or twice a year. Item Reviewed: XL Series Motor Oils
Better than OE oil.This oil lasts 10k but I change mine at 7500 to keep the warranty status. Item Reviewed: XL Series Motor Oils
Never had an oil related issue using this product.Personal vehicles Item Reviewed: XL Series Motor Oils
Only oil I believe inIf you want your things running the best use the best. I wont run any other fluids Item Reviewed: XL Series Motor Oils
The good stuffHands down the best money can buy Item Reviewed: XL Series Motor Oils
Total SatisfactionI have been using Amsoil for about two years now. I recently purchased the XL 0W-20 for my wife's SUV and my commuting car. The product arrives quickly and performs great! I enjoy being able to order the oil filters and other additives all at the same time. Item Reviewed: XL Series Motor Oils
This is a great productI use amsoil products when ever I can Item Reviewed: XL Series Motor Oils
What's not to like.Is AMSOIL expensive, yeah a little, but if you sign up for the Preferred Customer it not bad. I'm definitely a pay a little more in maintenance and avoid having to pay a lot in repairs. Item Reviewed: XL Series Motor Oils
Money well spent !!!!I use this oil in all my vehicles Item Reviewed: XL Series Motor Oils
I use this product all the time.Good oil for a budget but don't want to skip on quality Item Reviewed: XL Series Motor Oils
Exceptional ProductI originally test the full synthetic in my High mileage Pathfinder and then the XL Boost in my F150 both products have performed above and beyond my expectations. Item Reviewed: XL Series Motor Oils
Wife's daily driverBeen using Amsoil in this one for a while. Smooth winter time starts, no engine noise. Item Reviewed: XL Series Motor Oils
Switched another vehicle over1976 Chevy 350 running smooth and quite. No lifter noise and another one in the stable on Amsoil. Item Reviewed: XL Series Motor Oils
I've used many AMSOIL products for many years.I use Amsoil on both my vehicles and boat. I drive and fish in some very remote areas so I want worry free operation. Amsoil gives me that peace of mind. Item Reviewed: XL Series Motor Oils
Best oil for the buckI use this oil for both my 94 Ford F150 (250k miles) and my wifes 2007 Camry XLE with (120k miles) and am pleased with how well this oil has kept these engines running. Item Reviewed: XL Series Motor Oils
Sold on AmzoilI have been a customer for Amzoil for over 12 years and will continue to do so as I believe it is the best oil money can buy. Item Reviewed: XL Series Motor Oils
Great productSolid product, love using it Item Reviewed: XL Series Motor Oils
I will buy this product again.Less valve tapping on cold start ups and seems to run a couple of degrees cooler. Love this stuff. I use it in everything I own. Item Reviewed: XL Series Motor Oils
Amsoil the BestMy next door neighbor got me started using Amsoil some years ago. I now use nothing but Amsoil in all my vehicles. It is an excellent product and it is really cheaper to use than conventional motor oils because of the extended change times. I have run Amsoil as long as 24,000 between changes with no problems. I now change my oil when the vehicle computer tells me it is time to change and that is usually aroung 9,500 to 10,000 miles. Item Reviewed: XL Series Motor Oils
I would buy this againThese products work as they should never need to question Item Reviewed: XL Series Motor Oils
I made the switchThe best thing I found out about using this product...cost savings... Item Reviewed: XL Series Motor Oils
5-30 synthetic oilBeen using this product for several years now. My vehicles run like new, quiet and cool. Talked my boys (2) into using it as well an d we use the products on 3 motorcycles. All vehicles run great. I change filter on the cars every 6k and the oil, yearly, regardless of miles. Works just fine. use Wix filters for everything. Item Reviewed: XL Series Motor Oils
Awesome Oil!My 2008 JKU was burning crazy amounts of oil. Since I've started running Amsoil it's not using nearly as much oil now and the oil looks so much cleaner as the mileage goes up! Item Reviewed: XL Series Motor Oils
Nearly 20 years with this productI have used Amsoil products since y2k without fail and recommend it to everyone I know. Motorcycles, yard power equipment and my latest suv adventure story... have you ever ran out of oil or burned your engine out of oil, I have with regular oils and those vehicals were dead afterwards. Short here is no oil high temp oil came on nightmarish lost 6 quarts of Amsoil... 3 months later and with replaced Amsoil as if it never happened Item Reviewed: XL Series Motor Oils
Amsoil Acura TLCurrently have 433,000 miles with the same engine. I only use Amsoil in my car! Item Reviewed: XL Series Motor Oils
Great what else to expectBest oil on the market Item Reviewed: XL Series Motor Oils
I will buy this againBefore i used amsoil my engine had a loud and very noticeable tick. After switching to Amsoil synthetic the tick went away and the SUV sounds like a new car. When stopped you can barely hear the large 5.9L V8 idling away, it so quiet. Item Reviewed: XL Series Motor Oils
Oil and engine cleaning productsIf I go past my oil change I don't have any concerns because the oil still looks new and protects my engine. Item Reviewed: XL Series Motor Oils
I have used this product in different vehiclesThis is a great product and works well in any vehicle. Item Reviewed: XL Series Motor Oils
I would definitely buy itI use it in my f150 and I love it Item Reviewed: XL Series Motor Oils
i would buy this product again.I used it in my motorcycle and it quieted the engine right down and it ran smoother than ever. Item Reviewed: XL Series Motor Oils
Used these oils for 35 yearsIn all types of trucks, cars, boats and motorcycles Item Reviewed: XL Series Motor Oils
will surely buy againchanged from 10/30, works like a champ in my 2005 Silverado 225,000 miles pressure stays constant even under load Item Reviewed: XL Series Motor Oils
I would buy only this productMy truck mileage increased as soon as I switched from Mobil 1, truck has 260000 miles on it Item Reviewed: XL Series Motor Oils
Good StuffPut this in my light duty, full size pickup. Noticeable difference right away. Engine quieter and clean. Item Reviewed: XL Series Motor Oils
Used in all my vehicles - head to toe!I have been using Amsoil for years. Everything from Signature Series to XL. All of my vehicles out-last anyone else's I know. I gave my daughter a 1997 Toyota Corolla years back and just put it to sleep with 387,000 miles on the clock. Item Reviewed: XL Series Motor Oils
Great stuffI've been using Amsoil products for over 30 years. I had stopped for a period of time. I've been using this product now in my 2015 Focus since I got it. 30,000 miles and the inside parts of the engine I can see through the fill port are as bright and shiny as the day I bought it. Item Reviewed: XL Series Motor Oils
I love this product.I use Amsoil XL 5w-30. I change my oil twice per year in four vehicles. It provides excellent protection for my engines and keeps them clean and running strong. I love all Amsoil products. Item Reviewed: XL Series Motor Oils
I use these Amsoil products exclusively.I've been using Amsoil products for many years and have always been extremely pleased. I've never had an engine wear out. I have a snapper mower that is 25 years old and still going strong. Item Reviewed: XL Series Motor Oils
Great productGreat product, use in my pickup, have used for 12 years, in 2 trucks. Retired Wisconsin snowplow driver, and switched to Amsoil, because my pickup would be outside at work, for up to 16 hours, in below zero temps. No problem turning over and starting, after switching to Amsoil. Item Reviewed: XL Series Motor Oils
The Right Lubricant for the JobThe Amsoil XL series has protected my vehicles for many years. When the formula was changed to protect against Low Speed Pre Ignition (LSPI) as well as an extended drain interval, I knew it continued to be the right lubricant for the job. Recently I purchased a pickup truck that could be vulnerable to LSPI so this formula change was very timely. I appreciate that Amsoil offers many choices for lubricant applications. This is a better approach than "one oil fits all" approach. Item Reviewed: XL Series Motor Oils
Best Oil MadeI use Amsoil in everything I own that takes oil. Lawnmower, cars, diesel truck, tractor, motorcycle. Item Reviewed: XL Series Motor Oils
Only oil I useI began using Amsoil products in 1996 in a Buell S2T, with a HD Sportster 1200 engine. The temperature change from HD oil to Amsoil was almost 20 degrees cooler. I have never had a mechanical problem, including no clutch slipping with the bikes. I use it in my 2006 Victory 8 Ball, our 2010 Lincoln MKX, and my 2000, 2004, and 2013 Ram Hemi.. Item Reviewed: XL Series Motor Oils
You can trust synthetics to protect your engines.Have used synthetics in all my vehicles for quite a few years now. You can tell the difference the first time you change over to synthetics. Item Reviewed: XL Series Motor Oils
5w-30I use this in my Chevrolet Silverado and Kia Optima Hybrid and follow the manufacture recommend oil change interval. Item Reviewed: XL Series Motor Oils
Great ProductHave always used either Amsoil or Mobil 1. Both are great oils and and every other oil change at 7500 miles in my Toyota Tundra, Lexus, Mazda and Honda CRV. I send the old oil off to Blackstone for analysis. The analysis of Amsoil and Mobil 1 both always show excellent wear and Blackstone recommends that I could go much longer between changes. Thus I usually buy Mobil 1 because I can get it at Costco, don't have to pay shipping and this makes it much cheaper. Item Reviewed: XL Series Motor Oils
Love AmsoilLove the whole product line, I use amsoil in everything I own down to my power washer. Never fails. Item Reviewed: XL Series Motor Oils
Quality productsLove the Pease of mind of only having change my oil twice a year. My 2005 Ram is approaching 200K miles and still running strong. Item Reviewed: XL Series Motor Oils
Only products i trustI use these products in all my vehicles and marine apps. Item Reviewed: XL Series Motor Oils
Best Product for my new FordPlan to use Amsoil for the life of my vehicle to help it last a very long time. Item Reviewed: XL Series Motor Oils
Great product, fast shippingLove this in my truck, only having to change it once a year is awesome. Item Reviewed: XL Series Motor Oils
Good productAll my vehicles run on Amsoil. Just something you do if you want them to last. Item Reviewed: XL Series Motor Oils
The good stuff!This oil is the best for my tutored car! You can really fell the difference ans see in the gas mileage! Item Reviewed: XL Series Motor Oils
Been using for years,and always recommend AmsoilVery easy to look up vehicle or toy. It's very convenient for me to order oil and filter and send it to the house.I use it in all my vehicles also my sons trucks. Item Reviewed: XL Series Motor Oils
Outstandingly oilI use amsoil in everything, it has unbeatable protection and as a preferred member it comes at a great value Item Reviewed: XL Series Motor Oils
I have used Amsoil in all of my gasoline powered vehiclesThe XL gives me another choice. New vehicles get the premium oil but older,lower useage cars can use the XL Item Reviewed: XL Series Motor Oils
I will but againExcellent oil for those looking for a bit more protection that regular oil. Excellent in high milage vehicles especially. Item Reviewed: XL Series Motor Oils
I am a memberI am glad that ams oil asked. I drove my car 12,000 km in 7 months with the same oil and in top of that there were minus 24 celsius degrees outside, job well done. Item Reviewed: XL Series Motor Oils
Only oilThis is the Oil I use to put in the other 3 family Kias . 2 collage kids and wife's Sorento . One spotage turbo and one non . The mileage intervals help poor ol dads pocket book . Item Reviewed: XL Series Motor Oils
I will always buy amsoilI use there motor oil in my 454 in my 92 suburban along with there fluids in my diffs. Eventually will be switching to the trans fluid too. And I run it in our kia made the engine run alot quieter then the factory oil Item Reviewed: XL Series Motor Oils
what I expect from amsoilIt's a great product that I know I can depend on. I use this in my work truck. Even with the extended mileage I know it's a product that I can count on to take to the limits. Item Reviewed: XL Series Motor Oils
Amsoil XLI've been using Amsoil for 12 to 14 years now and have never been disappointed by the product. I use Signature in my Jeep and XL in the rest of my families 2 or 4 cycle motor driven machines. 6 cars, 1 motorcycle, 3 lawnmowers, 2 chainsaws, 3 weed eaters and 2 generators. Item Reviewed: XL Series Motor Oils
I Love AmsoilI started using Amsoil in 2000 when the garage I started working at sold it,haven't used anything but since then. It's a wonderful product and I love the longer service intervals for an oil or tranny change especially since I don't have a lift at home Item Reviewed: XL Series Motor Oils
5w20 extended range oilMy vehicles run better, the engines are clean Item Reviewed: XL Series Motor Oils
Only the best!Got this for my 2007 Pontiac Solstice 2.4L that's been turbocharged with a custom K04 turbo kit. Engine runs great! Item Reviewed: XL Series Motor Oils
For a Chevy Equinox and would buy againGood for the car and helps milage Item Reviewed: XL Series Motor Oils
Medicine for my Mark LTHave been using Amsoil in the Mark LT since 2006 and it has 130,000 miles and engine is good and does not use or leak oil. Item Reviewed: XL Series Motor Oils
I will keep buying this product.I've used this product for about a year now and the intervals between oil changes continue to grow. I use my trucks gauge to see when it is needed. First couple of times I didn't really notice a difference. Now I'm on my fourth oil change and it has really made a big difference in the mileage between the last change. Great product. Keep it coming. Item Reviewed: XL Series Motor Oils
Great productExceeded my expectations Item Reviewed: XL Series Motor Oils
I would use AMSOIL in every engineI started using Amsoil in my '84 Volvo at around 150,000 miles. Item Reviewed: XL Series Motor Oils
Amsoil saved me from expensive engine repairs!Ok, I am an Amsoil customer for life... Seriously! In February when it was still wicked cold here in Maine, I was having some engine starting and idling problems with my SUV when the overnight temperatures were 15F and colder. The engine would default to a safe "limp home" mode, and I was facing some expensive engine overhaul costs. My mechanic was very sure the symptoms had to do with dirty cam phasers. He suggested using Amsoil Engine and Transmission Flush to clean the engine (including the cam phasers) and switch to Amsoil Signature Series Synthetic Oil. I followed his advice and the results have been AMAZING! After the treatment I have had zero starting problems. And even better, the rattling sound that I thought was the water pump turned out to be the timing chain... no more noise! The Amsoil Engine Flush and motor oil solved both problems and they have given my 135K mile engine new life. I plan to treat all of my vehicles with these Amsoil products, and that includes the transmissions as well. If that wasn't reason enough to use Amsoil products, when I made my first purchase I decided to register as an Amsoil Preferred Customer. I saved much, much more than the registration fee over the cost of Amsoil products at the local auto parts store on that first purchase alone. Engine problem solved and low prices equal CUSTOMER FOR LIFE!! Thanks Amsoil! Item Reviewed: XL Series Motor Oils
yes, i have used AMSOIL for over 30 + yr'scar, truck, motorcycle & snow blower and lawn mower Item Reviewed: XL Series Motor Oils
Impressed !I had heard about Amsoil and reviewed their data and wondered how much was real and how much is just advertising. Then I bought a new truck and thought to myself that I'm really going to have to take care of this thing because I probably wouldn't be able to buy another one in this lifetime due to cost and old age. If the data I had seen was accurate than Amsoil was the direction I needed to go for protection. I used the factory oil for 4900 miles then made the switch to Amsoil. So far I'm very pleased. Most notably with the fuel economy. I've gained 1.5 to 2.0 MPG in highway driving. That to me is impressive. I'm sold. Item Reviewed: XL Series Motor Oils
Using the XL SeriesThe latest price increases of the Signature Series Motor Oil no longer make that oil the bargain it used to be. I find using the XL Series the same as far as mileage goes and the increased protection over the OE Series gives me more peace of mind. Item Reviewed: XL Series Motor Oils
Why use XLI have full confidence in Amsoil motor oil. SInce I change oil more frequently and the price of the Signature Series has become extremely high, I find the XL series to be a better bargain. Item Reviewed: XL Series Motor Oils
type of oilI would not purchase it if I did not think it was the best product out there. thanks Item Reviewed: XL Series Motor Oils
Great stuffI have 3cars (one older corvette), 1 truck, 1 boat, and one Harley Davidson. I use Amsoil in all of them. My last truck I traded in had over 300,000 miles on it. Dealer commented "wow , this truck still runs great". all my vehicles run quiet with very little mechanical problems due to engine wear. I wouldn't think of using any other oil in my vehicles. Item Reviewed: XL Series Motor Oils
Best oil by far!I use this oil on my 17 camaro ss and by far the best oil I've used! I put it in all of my 5 cars now and I wouldn't use any other brand from now on. Item Reviewed: XL Series Motor Oils
Extend your oil change intervals!Love this product! My 200,000 plus mile Grand Cherokee is still going strong and getting 19 mpg. If your concerned about the added cost, don't be, with the extended change intervals you will save money in the long run! I will be changing my new wrangler to Amsoil as soon as it need fluid changes. Item Reviewed: XL Series Motor Oils
I only use the bestMy pony car and h d scooters perform the best and run the coolest Item Reviewed: XL Series Motor Oils
I will purchase this product.I will buy this product everytime my friends and family requires it. All of AMSOIL products is what I will use on everything that I own. Item Reviewed: XL Series Motor Oils
Best Oil I've Have Ever UsedBest Oil I have ever used, and if you don't believe me read the specs. Best service and tech savvy. Item Reviewed: XL Series Motor Oils
So far, so goodUsing this for the first time. I've used amsoil for many years; usually the signature series but I'm trying the XL because I don't put a lot of miles on any specific vehicle I own. It seems to be a good alternative with a little break on the price. Item Reviewed: XL Series Motor Oils
Best oil I have ever used and will continue.Car runs smooth and quietly. You can feel the difference. I recommend Amsoil to all I meet. Item Reviewed: XL Series Motor Oils
I have been using this product for years --I use this product on a Chevy truck and a GMC truck both trucks run great and smooth and i do believe this oil helps with fuel economy Item Reviewed: XL Series Motor Oils
I will always use AMSOIL in my vehicles.AMSOIL makes oil changes well worth it. I know they upped their change intervals, but I still change my oil every 10k miles. When I do the oil change, it almost seems like I should be following their new interval suggestion. The oil after the amount of use is darker, but it's still very fluid and not thick like other oils I've used before AMSOIL. I use their filters along with the XL oil and it is the perfect combination. I thank AMSOIL for some of the best products. Item Reviewed: XL Series Motor Oils
Makes other oils obsoliteI have used this product for several years. I now have 240000 miles on my 1996 Ford ranger Ranger. I change oil before my annual Archery elk hunt, and add a bottle of PI. Easy as eating Pie and Ice cream. Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
I have been buying this product for years.I have use this in my last three vehicles and I will keep using it. Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
Use it everydayIn trucks cars,motorcycles, lawn mowers Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
Best Synthetic for High MileageMy car has over 385,000 miles, and convinced this motor oil a major reason its still going strong. This oil has a higher viscosity than other synthetics I've tried, which allows me to use a good synthetic for thermal protection, yet prevents minor leaks typical for high mileage cars. Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
Good oil, but could be betterI was told by the Northstar project manager at GM to use this weight oil in my 2002 Cadillac DTS. After 250000 miles I've had no problems and she still runs like new. Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
nothing but the bestI have been using Amsoil products for over twenty five years in all my vehicles and have never had a problem related to poor lubrication.I have never purchased a new car in my life and routinely run up over 200,000 miles on whatever I'm driving.I think that say's it all. Frank Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
Will always use this product!Use this in my old Chevy 454 powered motorhome. This motor really works hard and gets Hot. Oil pressure stays up on hottest days and no leaks or oil burning. It's the best protection for my motor that Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
200,000 milesAmsoil 10w-40 in my F150 with 200K miles in her and still runs like new Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
The only lubricant products.Amsoil has been the only choice in lubricants since 1985, what else needs saying? Multiple BMW motorcycles, my wife's 2000 F150 with many miles, a couple of Suzuki Sidekicks, both high mileage with routine maintenance only. Enough to convince even those with little automotive knowledge. Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
Happy, happy, happyThis was purchased for a co-worker. He spoke to me about using the products and I explain how there was no better in the market. He is very happy and I feel will be returning for all his lubricate needs. Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
I will always use AMS oilI am 71 years old in my second childhood. I have used every kind of oil in my life time. I personally will never use any other oil in my special car other than AMS. I bought a 2013 SI Honda Civic and I put a supercharger, different exhaust and had it dyno tuned and much more. Results over 300 HP to the wheel. I fell safe using this oil up to 6000 miles but I change at 30% not 15%. If you use this oil in your car you will never change to any other. I guarantee that. Item Reviewed: Extended Life 10W-40 Synthetic Motor Oil (XLO)
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I use this oil in my F150 and my car
I can see an improvement in gas mileage I can hear the difference in sound and feel the better performance as the miles build up.