Dodge Diplomat
Dodge Diplomat — 1977–1989, 4-door sedan (1977–1989); 5-door station wagon (1978–1981); 2-door coupe (1977–1981), 225 cuin ''Slant 6'' I6; 318 cuin ''LA'' V8; 360 cuin ''LA'' V8 (1978–1979). Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.
About the Dodge Diplomat
Dodge Diplomat is a 4-door sedan (1977–1989); 5-door station wagon (1978–1981); 2-door coupe (1977–1981) in the mid-size car class, with source data covering 1977–1989. The available vehicle data lists 225 cuin ''Slant 6'' I6; 318 cuin ''LA'' V8; 360 cuin ''LA'' V8 (1978–1979) as an engine configuration, paired with 4-speed ''A833'' manual3-speed ''A727'' automatic3-speed ''A904'' automatic3-speed ''A999'' automatic and a FR layout layout. Public source material describes the model in the context of its design, market positioning and vehicle history.
This Dodge Diplomat guide focuses on the details drivers commonly want to know, including engine information for 225 cuin ''Slant 6'' I6; 318 cuin ''LA'' V8; 360 cuin ''LA'' V8 (1978–1979) and 4-speed ''A833'' manual3-speed ''A727'' automatic3-speed ''A904'' automatic3-speed ''A999'' automatic transmission information. Exact specifications should be matched to the relevant model year and market.
Dodge Diplomat specifications at a glance
Use this table for the model-level essentials. Exact figures may vary by year, trim, engine and market.
| Make | Dodge |
|---|---|
| Model | Diplomat |
| Model years | 1977–1989 |
| Body style | 4-door sedan (1977–1989); 5-door station wagon (1978–1981); 2-door coupe (1977–1981) |
| Vehicle class | Mid-size car |
| Manufacturer | Dodge (Chrysler) |
| Production | 1977–December 1988 |
| Market / country | FI, NL, NZ, US |
Engine, transmission and performance
Engine information for the Dodge Diplomat includes 225 cuin ''Slant 6'' I6; 318 cuin ''LA'' V8; 360 cuin ''LA'' V8 (1978–1979).. Transmission information includes 4-speed ''A833'' manual3-speed ''A727'' automatic3-speed ''A904'' automatic3-speed ''A999'' automatic.. The listed drivetrain/layout is FR layout.
| Engine | 225 cuin ''Slant 6'' I6; 318 cuin ''LA'' V8; 360 cuin ''LA'' V8 (1978–1979) |
|---|---|
| Transmission | 4-speed ''A833'' manual3-speed ''A727'' automatic3-speed ''A904'' automatic3-speed ''A999'' automatic |
| Drivetrain / layout | FR layout |
Dimensions, weight and practicality
Dimensions and capacity figures are presented as published source data when available.
| Wheelbase | Coupe: 112.7 in (2,863 mm)1977–1979, 108.7 in (2,761 mm)1980–1981, Sedan & wagon: 112.7 in (2,863 mm)1977–1989 (wagons through 1981 only) |
|---|---|
| Length | Coupe:; 1977–1979: 204.1 in (5,184 mm); 1980–1981: 201.2 in (5,110 mm); Sedan:; 1977–1983: 206.1 in (5,235 mm); 1987–1989: 204.6 in (5,197 mm); Wagon: 205.5 in (5,220 mm) |
| Width | Coupe & wagon: 74.2 in (1,885 mm)1980–1983 Sedan: 72.8 in (1,849 mm)1987–1989 Sedan: 72.4 in (1,839 mm) |
| Height | Coupe: 53.4 in (1,356 mm)Wagon: 55.5 in (1,410 mm)Sedan: 55.1 in (1,400 mm) |
Dodge Diplomat other specifications
| Image | 1977Diplomat.jpg |
|---|---|
| Caption | 1977 Dodge Diplomat four-door sedan |
| Name | Dodge Diplomat |
| Aka | Dodge Coronet (Colombia); Dodge Dart (Mexico); Dodge Magnum (Mexico); Plymouth Caravelle (Canada; 1977–1981); Plymouth Gran Fury |
Dodge Diplomat generations and model years
Where a source covers multiple generations, CarCareTool selects the generation(s) that best match this catalog model instead of mixing unrelated variants.
| Generation / scope | Years | Engine | Transmission | Drivetrain |
|---|---|---|---|---|
| Dodge Diplomat | 1977–1989 | 225 cuin ''Slant 6'' I6; 318 cuin ''LA'' V8; 360 cuin ''LA'' V8 (1978–1979) | 4-speed ''A833'' manual3-speed ''A727'' automatic3-speed ''A904'' automatic3-speed ''A999'' automatic | FR layout |
Recommended tire pressure for Dodge Diplomat
Check the vehicle placard or owner’s manual for the manufacturer’s cold inflation pressure. CarCareTool estimates are clearly labelled when an exact verified value is unavailable.
| Load condition | Front | Rear | Status |
|---|---|---|---|
| Normal | 32 PSI | 30 PSI | Estimate |
| Fully loaded | 34 PSI | 33 PSI | Estimate |
Frequently asked questions about Dodge Diplomat
These FAQs are generated automatically for this specific vehicle from the specifications, features and ownership data available in CarCareTool. Questions are selected by relevance so the page focuses on details that can actually be answered for this model.
What engine does the Dodge Diplomat have?
What tire pressure should I use for the Dodge Diplomat?
What is the best engine oil for the Dodge Diplomat?
What body style is the Dodge Diplomat?
What years was the Dodge Diplomat produced?
What are the dimensions of the Dodge Diplomat?
What transmission does the Dodge Diplomat have?
Is the Dodge Diplomat FWD, RWD or AWD?
Who makes the Dodge Diplomat?
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What class of car is the Dodge Diplomat?
What platform does the Dodge Diplomat use?
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What came after the Dodge Diplomat?
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What cars are related to the Dodge Diplomat?
How often should I check the tire pressure on the Dodge Diplomat?
Should I use the tire sidewall pressure for the Dodge Diplomat?
Does the recommended tire pressure change when the Dodge Diplomat is fully loaded?
Data sources and verification are available in the page editor; exact specifications can vary by year, market, trim and engine.
Dodge Diplomat images
Vehicle images are shown from the stored source image records when available.
