petrol
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12 photos from Wikimedia Commons · credits & licences
- 1. 1978 Dodge Diplomat (18613504125): Greg Gjerdingen from Willmar, USA· CC BY 2.0
- 2. 1979 Dodge Diplomat, brown, rear right: Mr.choppers· CC BY-SA 3.0
- 3. 1979 Dodge Diplomat Salon Station Wagon, front right (Hershey 2019): Mr.choppers· CC BY-SA 3.0
- 4. 1980-1983 Dodge Diplomat 2: IFCAR· Public domain
- 5. 1980 Dodge Diplomat (27490007975): Greg Gjerdingen from Willmar, USA· CC BY 2.0
- 6. '85 Dodge Diplomat (Mopar Valleyfield '14): Bull-Doser· Public domain
- 7. 1980-1983 Dodge Diplomat 1: IFCAR· Public domain
- 8. 1981 Dodge Diplomat coupe, front right: Mr.choppers· CC BY-SA 3.0
- 9. 1981 Dodge Diplomat coupe, rear right: Mr.choppers· CC BY-SA 3.0
- 10. 85 Dodge Diplomat (13174887535): Greg Gjerdingen from Willmar, USA· CC BY 2.0
- 11. 85 Dodge Diplomat (13175140664): Greg Gjerdingen from Willmar, USA· CC BY 2.0
- 12. 86 Dodge Diplomat SE (7154555245): Greg Gjerdingen from Willmar, USA· CC BY 2.0
what the fuel types mean
- petrol Cheapest to buy, simple, but fuel is expensive in NL.
spec sheet
- built
- 1984–1989
- body
- —
- engine
- 5.2 L
- cylinders
- 8
- turbo
- no
- power
- —
- drive
- rear-wheel drive
- gearbox
- automatic
- seats
- —
- doors
- —
- weight
- —
- fuel use
- —
- CO₂
- —
- US rating
- 12–18 mpg
- EV range
- —
- US size class
- Midsize Cars
- avg new price NL
- —
Ranges cover every version ever sold. Blank means the sources don't say.
🇺🇸 US versions (18)
Every version the EPA tested, model years 1984–1989. mpg is combined; L/100 km converted.
| year | version | engine | gearbox | drive | fuel | mpg | L/100 |
|---|---|---|---|---|---|---|---|
| 1989 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 14 | 16.8 |
| 1989 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 17 | 13.8 |
| 1989 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 12 | 19.6 |
| 1988 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 15 | 15.7 |
| 1988 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 18 | 13.1 |
| 1988 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 12 | 19.6 |
| 1987 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 17 | 13.8 |
| 1987 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Regular | 14 | 16.8 |
| 1987 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Regular | 12 | 19.6 |
| 1986 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Regular | 15 | 15.7 |
| 1986 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 16 | 14.7 |
| 1986 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Regular | 12 | 19.6 |
| 1985 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 16 | 14.7 |
| 1985 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 17 | 13.8 |
| 1985 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | RWD | Premium | 12 | 19.6 |
| 1984 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | — | Regular | 15 | 15.7 |
| 1984 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | — | Regular | 13 | 18.1 |
| 1984 | Diplomat | 5.2 L 8 cyl | Automatic 3-spd | — | Regular | 15 | 15.7 |
Sources: fueleconomy.gov.Updated 2026-10-24.