AMSOIL 5W-30 100% Synthetic High-Mileage Motor Oil

The 5W-30 for Sioux Falls 100% Synthetic High-Mileage Motor Oil

The best value in a Synthetic Oil available retail in Sioux Falls. 100% synthetic with significant cleanup abilities. Check out this video on our High Mileage Synthetics.

The popular 5W-30 High Mileage oil now in stock at the Sioux Falls Stan Houston’s location at 3020 W. 12th St.

Preventive maintenance that includes high-quality lubricants is key for keeping vehicles safe and dependable for the long haul. AMSOIL 5W-30  100% Synthetic High-Mileage Motor Oil is designed specifically for the unique demands of high-mileage engines (or engines which have been using oils which left deposits), helping extend the life of your vehicle.

This is the first step to help clean up that engine w/o needing to use an engine flush.

It delivers purpose-built protection at a time in your vehicle’s life where it could benefit from more-robust maintenance. It cleans and protects engines with boosted detergency and an additive package that fights oil breakdown and oil leaks.

I suggest a couple changes with this oil then switch to XL or Signature.  This is a great choice should you buy a used car with over 80K on the odometer or that vehicle you really don’t know the history.

LOWER Cost than the XL Line!!

See the Product Data Bulletin for full details.

Buy in the Sioux Falls AMSOIL store at 47073 98th St (Exit 73 near TEA) or use this Online link to the Amsoil sale page if you are outside of the area.

Engine Cleanliness thanks to our High Mileage Oil Line

• Enhanced detergency to breathe new life into dirty engines.
• Removes deposit buildup to help restore peak performance.

Cleaning Requires a Durable Viscosity

• High Mileage 5W-30 Maintains proper film thickness in extreme operation.

Sludge Reduction

AMSOIL 100% Synthetic High-Mileage Motor Oil reduced sludge by 67%, ^VV demonstrating its cleaning power that helps engines last longer and perform better.

Cleaning Requires a Durable Viscosity

• High Mileage 5W-30 Maintains proper film thickness in extreme operation.

Oil-Consumption Control

• Thermally stable across a wide range of temperatures.
• Resists volatility and oil consumption.

Leak Protection! Yes – no other competitor uses a QUALITY additive for this because it eats profits

• High Mileage 5W-30 Conditions seals to help prevent leaks. – Even the Signature Series is famous for reduced leaks

API Licensed so you don’t have to be worried about whatever

• Licensed by the American Petroleum Institute (API) to meet and exceed requirements commonly found in owner’s manuals.

 

Motor Oil Comparison Chart – Compare the purpose of AMSOIL Products for your best choice.

Check Price or Buy

Find locally at Stan Houston’s on W. 12th st! Priced right and you are covered for 15,000 miles!

In Review 5W-20 High Mileage Synthetic:

• Unique chemistry for vehicles with over 75,000 miles
• Boosted detergent and dispersant package
• Enhanced anti-wear additives
• Reduced sludge by 67%,^VV demonstrating cleaning power that helps engines last longer and perform better
• Guaranteed Protection For 12,000 Miles/1-Year¹
• API Licensed

Product Reviews (New 5W-30 High-Mileage product so more will be posted as we get them

 

Outstanding

By  CHRISTOPHER,  a  Verified Buyer  on  August 06, 2025
I have a 2018 Subaru Impreza. I was starting to get bad gas mileage around 145,000 miles. I switched over from using OEM oil and filter to using a wix xp filter with this oil and my gas mileage went back up significantly. Also, my engine sounds like it is idling more fluently and quietly again. I can’t say enough good about this product, I will be a life long AMSOIL customer.

 

 

By  RICHARD,  a  Verified Buyer  on  August 03, 2025
Awesome. Never had an oil the made a difference to the car that you can actually feel.

 

By  Kenroe,  a  Verified Buyer  from  Missouri  on  July 25, 2025
My 2019 Acura RDX with 132000 miles started running real smooth and quiet after I started using this oil!

 

Great oil in my truck

By  RONALD,  a  Verified Buyer  from  Aiken SC   on  June 18, 2025
Changed oil on a Friday night. The next two days drove 1600 miles to pick up a gift from ebay. When I got home the oil was full and same color as new high mileage oil I installed. Great trip, great oil. 252,000 plus miles on 2003 Silverado.

 

Amsoil # 1

By  Ronnie,  a  Verified Buyer  from  Tn.  on  July 05, 2024

When I discover Amsoil and did research on the oil there is no other synthetic oil on the market that has the motor protection as Amsoil ! Thanks

Motor is smooth

By  CURT,  a  Verified Buyer  from  NH  on  June 08, 2024

Decided to try Amsoil over my go to royal purple. I am super impressed! No more valve chatter at idle