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Diplomat

Gas Tank Capacity of Opel Diplomat in Easy-to-Access Graphs

Average capacity for all generations



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Quick notes on Opel Diplomat fuel tank size

    • Average capacity for generation: 80 L (17.6 gal)
    • Tank size to engine capacity: 5%
    • Fuel supply to each passanger: 16 L per 1 person
    • Weight of fuel (full tank): 58.4 kg
    • Difference between tank and trunks capacities: 395 L
    • Top speed to fuel supply: 2 km/h to 1 L (1.2 mph to 1 L)
    • Tankheim rating: 10 / 10

Engine size to tank capacity for Opel Diplomat 1969

  • 2.8 E — 28.6x difference
  • 5.3 V8 — 14.8x difference

    • Difference from world average

  • 2.8 E — 27% bigger
  • 5.3 V8 — 27% bigger

    • Tank size to power ratio

  • 2.8 E — 2.1 hp/L
  • 5.3 V8 — 2.9 hp/L



    • Vehicle Fuel tank size Max driving range Fuel consumption per 10 km Fuel type Full tanks per 5000 miles
    2.8 E 80 L (18 gal) - - Petrol (Gasoline) -
    5.3 V8 80 L (18 gal) - - Petrol (Gasoline) -
    Vehicle 2.8 E
    Fuel tank size 80 L (18 gal)
    Max driving range -
    Fuel consumption per 10 km -
    Fuel type Petrol (Gasoline)
    Full tanks per 5000 miles -
    Vehicle 5.3 V8
    Fuel tank size 80 L (18 gal)
    Max driving range -
    Fuel consumption per 10 km -
    Fuel type Petrol (Gasoline)
    Full tanks per 5000 miles -