Engine oil Mobil or Shell

vs

PartReview Score

90

Rank #1 in ranking

1748

620

50

37

707

4.4

Engine noise

4.3

Exhaust smoke

4.3

Warning light

4.5

Owners' choice:

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

94

Rank #4 in ranking

944

325

16

10

351

4.5

Engine noise

4.3

Exhaust smoke

4.2

Warning light

4.3

Owners' choice:

Reviews

All

Mobil

Shell

Mobil › Engine oil

Major_Magazine_6100 31 Jan 2026, 01:48

Rating 5.0

The 508 spec gets you better mpg and less dirty emissions. Gotta look at the bottle carefully. Mobil ESPX2 0w20 has that spec.

Pros: better mpg, less emissions

Vehicle: Volkswagen Jetta

Mobil › Engine oil

trader45nj 30 Jan 2026, 22:37

Engine noise:

Rating 5.0

262k miles here on an M54B30 with 10k changes, Mobil 1, it's running great.

Pros: running great

Vehicle: BMW

Mileage: 262000 km

Mobil › Engine oil

Venutianspring 30 Jan 2026, 22:10

Rating 4.0

It should be fine. I use Mobil 1 and it's worked great.

Pros: worked great

Shell › Engine oil

QueenAlpaca 23 Jan 2026, 22:12

Exhaust smoke:

Rating 5.0

using a heavier oil weight has been an old trick to help with oil consumption in Subarus for a long time now. I used to use Rotella 5w40 (before the reformulation) in my old 04 Baja Turbo and that particular oil was the best to keep the oil burning down.

Pros: keep oil burning down

Vehicle: Subaru

Mobil › Engine oil

Fancy_Pay_6327 21 Jan 2026, 22:14

Engine noise:
Exhaust smoke:

Rating 5.0

I use Mobil one in Canada when it goes on sale synthetic 0W20 10 k intervals 13 yr old corolla 1.8 and 15 yr old tundra 5.7 350 k and 320 km ; no oil consumption work great

Pros: no oil consumption, works great

Vehicle: Toyota Corolla

Mileage: 350000 km

Shell › Engine oil

Used-Computer-2572 20 Jan 2026, 22:15

Rating 4.0

My regular since i think 2014 or so has been helix ultra 5w40 running in all my vehicles currently.

Pros: good and vfm

Cons: not good

Shell › Engine oil

Dre9872 17 Jan 2026, 17:51

Rating 5.0

I run 0w30 in my F82 M4 as that's what BMW and Shell recommend.

Pros: BMW and Shell recommend

Vehicle: BMW M4

Mobil › Engine oil

MrAkimoto 16 Jan 2026, 19:49

Rating 5.0

You must use Mobil 1 0W40!

Mobil › Engine oil

ohmygolgibody 14 Dec 2025, 00:54

Rating 3.0

Expensive. I’d stick to Mobil 1 or Kirkland

Cons: expensive

Mobil › Engine oil

Civil_Ride9221 6 Jan 2026, 23:14

Rating 2.0

Mobil 1 for me is like water in this car. I ran it for the longest time till I was tuned but switched over

Cons: like water, switched over

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