Red Line.
I like red line oils, because they have a bit more zddp which is nice for the rockers.
On chilly winter mornings (SF Bay Area) the car did not like reverse or first gears. Subsequently switched to Red Line engine oil. More power, better mileage.
Ran Redline 5w40 when it became purely a summer car in ~2013. ... Not seals are leaking, no issues of any form. Car has been Cobb stage 2 91oct tuned (OTS, not pro-tuned) almost 14 years, with a Crawford v2 AOS, Killer B oil pickup + windage tray being the only reliability mods, and it doesn't burn a single molecule of oil.
As soon as my warranty is up on my SQ5 in November, I'll be going to Rowe Hitech Synth RS 5w-40. One of the very few true synthetic PAOs out there and on par with LiquiMoly pricing (USP Sells it w/free shipping).
Redline is great, used it for years in a track car.
My STI also used it for a while (0w40), but then switched to Rotella.
Redline user have been since I picked up my 04 WRX wagon two years ago. Auto crossed and rally crossed. Works great have had zero issues, also at 170,000 miles on the original engine and still running strong.
Not really . My tuner (jackal motorsports) recommends Rowe RS synthetic oil . Currently using LM molygen , it's ok but apparentlyThe RS is the best stuff
Got these Rowe bottles. Fully Synthetic. German. Lets see how it performs.
Engine was noisier with the mix vs. the previously used redline 5w40. Iron levels are up at 6.3 ppm/1000 miles Oil usage increased by 1/2 quart over the redline 5w40 TBN/TAN levels are worse than 5w40 at comparable mileage
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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 RED LINE were overall better than ROWE.
In March 2026 on PartReview, engine oil RED LINE were overall more popular than ROWE.
By vote balance, engine oil RED LINE surpassed ROWE:
By number of reviews, engine oil RED LINE surpassed ROWE:
In March 2026, according to PartReview, engine oil RED LINE led more car-specific ratings than ROWE:
RED LINE are chosen by owners of cars such as: Audi S3, and others.
Engine oil ROWE 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 RED LINE with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, PENNZOIL, OEM Toyota, Mannol.
Also available: comparisons of engine oil ROWE with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, PENNZOIL, 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.
