All Opel modelsOpel Diplomat: generations and engines
The Opel Diplomat was built from 1969 to 1978 in one generation, with 2 engine versions in our catalog (sedan). Pick a generation to see its engines, horsepower and fuel economy.
Production years1969–1978
Generations1
Engine versions2
Power165–230 hp
Body stylesSedan
FuelGasoline
Timeline
Opel Diplomat generations
- 1969–1978
Before you buy
Check a used Opel Diplomat
- Real mileage – service and inspection readings show if the odometer was rolled back.
- Accidents and title brands – damage records, salvage, flood or rebuilt titles.
- Old photos – how the car looked in earlier listings.
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