74 votes
I have a 2012 gmc terrain 2.4l currently at 202k. I’ve used Lucas oil and restore and protect Valvoline oil the last 50k. Still runs like a gem with 177-182-179-175 compression cylinders 1-4. Used to be 155-149-144-168 before I started using both these oils
Lucas OS works great. It's some amazing stuff, BUT. Do not go over your oil change intervals. Once the Lucas additive starts breaking down it turns to a nasty varnish. Went 7k using synthetic amsoil z-rod and Lucas OS, on a new rebuilt 4.0l. Lost a lifter and ate up the cam lobe.
I exclusively have used Lucas oil for my sportster motor for 5 years. The bottle looks cool, that's it. Full synthetic oil, no frills, cheap, and easy to get.
That looks like you dropped a valve. Yes Lucy’s oil will help. It will lubricate the chamber so you can take out all the pieces.
My mechanic added a bunch of Lucas to the oil, which he said might at least quiet it down, and it did. It's quieter now, but I can still hear it at idle.
I like the Lucas ones personally.
I run Lucas 5w40, it’s more about doing oil changes more often rather than anything else. VW doesn’t have any special materials in the block or heads, it’s just cast iron and aluminum no different than any other.
I paid $67 for 4 qts of lucas full synthetic oil and a filter on Amazon and just grabbed an O ring from harley. Harley's oil is fucking garbage. Lucas, Amsoil, Motul & Mobil 1 full synthetic are all damn fine products.
I used lucas in my honda and will use it on my next change for harley
Personally I run Lucas oil in mine, not just my current zzr600, but even my older vintage bikes when I had them. It isn’t crazy expensive and is high quality.
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The brand is registered in UK. Official website: https://www.trwaftermarket.com.
In March 2026, PartReview users have a mixed opinion of Lucas engine oil.
PR Score — 78 out of 100, based on 23 reviews and 74 votes. 16 positive reviews, 5 neutral reviews, 2 negative reviews. Average rating — 3.8 (out of 5). Vote balance: 58 up, 16 down.
In the ranking of the best engine oil this part is at position 31, behind Kendall and OEM FORD , but ahead of OEM Audi and OEM Nissan.
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There are 31 comparison of Lucas engine oil with other manufacturers on PartReview.
In particular, see which engine oil are better: OEM FORD or Lucas, OEM Volkswagen or Lucas, Motorcraft or Lucas, PETRONAS or Lucas, ROWE or Lucas .
