petroldiesel
what the fuel types mean
- petrol Cheapest to buy, simple, but fuel is expensive in NL.
- diesel Frugal on long trips, but NL road tax is much higher and city bans are growing.
spec sheet
- built
- 1985–1987
- body
- —
- engine
- 3.0 L–5.7 L
- cylinders
- 6–8
- turbo
- no
- power
- —
- drive
- front-wheel drive, rear-wheel drive
- gearbox
- automatic
- seats
- —
- doors
- —
- weight
- —
- fuel use
- —
- CO₂
- —
- US rating
- 17–21 mpg
- EV range
- —
- US size class
- Large Cars
- avg new price NL
- —
Ranges cover every version ever sold. Blank means the sources don't say.
🇺🇸 US versions (10)
Every version the EPA tested, model years 1985–1987. mpg is combined; L/100 km converted.
| year | version | engine | gearbox | drive | fuel | mpg | L/100 |
|---|---|---|---|---|---|---|---|
| 1987 | Delta 88 Royale | 3.8 L 6 cyl | Automatic 4-spd | FWD | Regular | 19 | 12.4 |
| 1986 | Delta 88 Royale | 3.0 L 6 cyl | Automatic 4-spd | FWD | Regular | 19 | 12.4 |
| 1986 | Delta 88 Royale | 3.8 L 6 cyl | Automatic 4-spd | FWD | Regular | 20 | 11.8 |
| 1985 | Delta 88 Royale | 3.8 L 6 cyl | Automatic 3-spd | RWD | Regular | 17 | 13.8 |
| 1985 | Delta 88 Royale | 3.8 L 6 cyl | Automatic 3-spd | RWD | Regular | 17 | 13.8 |
| 1985 | Delta 88 Royale | 5.0 L 8 cyl | Automatic 4-spd | RWD | Regular | 18 | 13.1 |
| 1985 | Delta 88 Royale | 5.0 L 8 cyl | Automatic 3-spd | RWD | Regular | 17 | 13.8 |
| 1985 | Delta 88 Royale | 5.0 L 8 cyl | Automatic 4-spd | RWD | Regular | 18 | 13.1 |
| 1985 | Delta 88 Royale | 5.7 L 8 cyl | Automatic 3-spd | RWD | Diesel | 21 | 11.2 |
| 1985 | Delta 88 Royale | 5.7 L 8 cyl | Automatic 4-spd | RWD | Diesel | 21 | 11.2 |
Sources: fueleconomy.gov.Updated 2026-10-24.