petrol
6 photos from Wikimedia Commons · credits & licences
- 1. Buick Somerset: Bull-Doser· Public domain
- 2. 86-87 Buick Somerset front right: MercurySable99· CC BY-SA 4.0
- 3. 86-87 Buick Somerset rear right: MercurySable99· CC BY-SA 4.0
- 4. '86-'87 Buick Somerset Limited: Bull-Doser· Public domain
- 5. 85-87 Buick Somerset: MercurySable99· CC BY-SA 4.0
- 6. Buick-Somerset: IFCAR· Public domain
what the fuel types mean
- petrol Cheapest to buy, simple, but fuel is expensive in NL.
spec sheet
- built
- 1986–1987
- body
- —
- engine
- 2.5 L–3.0 L
- cylinders
- 4–6
- turbo
- no
- power
- —
- drive
- front-wheel drive
- gearbox
- automatic, manual
- seats
- —
- doors
- —
- weight
- —
- fuel use
- —
- CO₂
- —
- US rating
- 20–24 mpg
- EV range
- —
- US size class
- Compact Cars
- avg new price NL
- —
Ranges cover every version ever sold. Blank means the sources don't say.
🇺🇸 US versions (6)
Every version the EPA tested, model years 1986–1987. mpg is combined; L/100 km converted.
| year | version | engine | gearbox | drive | fuel | mpg | L/100 |
|---|---|---|---|---|---|---|---|
| 1987 | Somerset/Skylark | 2.5 L 4 cyl | Automatic 3-spd | FWD | Regular | 23 | 10.2 |
| 1987 | Somerset/Skylark | 2.5 L 4 cyl | Manual 5-spd | FWD | Regular | 23 | 10.2 |
| 1987 | Somerset/Skylark | 3.0 L 6 cyl | Automatic 3-spd | FWD | Regular | 20 | 11.8 |
| 1986 | Somerset/Skylark | 2.5 L 4 cyl | Automatic 3-spd | FWD | Regular | 23 | 10.2 |
| 1986 | Somerset/Skylark | 2.5 L 4 cyl | Manual 5-spd | FWD | Regular | 24 | 9.8 |
| 1986 | Somerset/Skylark | 3.0 L 6 cyl | Automatic 3-spd | FWD | Regular | 20 | 11.8 |
Sources: fueleconomy.gov.Updated 2026-10-24.