Fellow mu-X owner here! If you're thinking about upgrading from the standard Isuzu Genuine Motor Oil 10W-30, check out the ZIC X7 Diesel 10W-30 Fully synthetic. I used Amsoil Turbo Truck 5w40 too (10k km interval) but it's expensive for my Garage queen mux haha. Mobil Delvac1 5W-40 is good as well.
I have Signature in my 25. Smoothed out the engine noises quite a bit.
Engine noise is a little, well noisy, mine is less rumbly/vibrationy after I changed my oil and used Amsoil Hybrid oil. I can’t generally feel anything when the engine kicks on now, before I could definitely feel it every time it kicked on.
I switched oil to AMSOIL signature series synthetic, from everything I read, it out performs other oils, used to use Mobil 1
My 2016 GT350R has almost 25K miles and has never needed oil between changes. I use Amsoil every 5000 miles, sooner depending on track abuse.
Die rcp olie moet er inderdaad in, 5w30. Deze is speciaal door Stellantis goedgekeurd zodat de wet belt minder snel stuk gaat.
Amsoil 100%, I tested it quite a few, and I’m noticed the least amount of decoration and power loss with it
Total Quartz 9000 5w30 is a good value for money option.
My biggest regret, not swapping out the shitty 0w-20 factory filled oil for some 5w-30 Amsoil, Motul, or Pennzoil Ultra platinum the moment I took it home. Don\u2019t wait till 1k miles.
Get a catch can but that mobile 1 oil you are using is for shit . Amsoil is best for mustangs and the best for that matter period it\u2019s cost but you can run it 25k
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If choosing engine oil across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare engine oil across these categories:
In March 2026 on PartReview, engine oil AMSOIL were overall better than Total.
In March 2026 on PartReview, engine oil AMSOIL were overall more popular than Total.
By vote balance, engine oil AMSOIL surpassed Total:
By number of reviews, engine oil AMSOIL surpassed Total:
In March 2026, according to PartReview, engine oil AMSOIL led more car-specific ratings than Total:
AMSOIL are chosen by owners of cars such as: Honda S2000, Toyota 4runner, and others.
Engine oil Total have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of engine oil AMSOIL with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, VALVOLINE, PENNZOIL, RED LINE, OEM Toyota, Mannol.
Also available: comparisons of engine oil Total with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, VALVOLINE, PENNZOIL, RED LINE, OEM Toyota, Mannol.
You can also see who is better among other engine oil manufacturers: Mobil or Castrol, Mobil or LIQUI MOLY, Mobil or MOTUL, Mobil or Shell, LIQUI MOLY or Castrol.
