Buick Riviera III 7.5 (250 Hp) 1971

General Information

Modification (Engine)

7.5 (250 Hp)

Start of production

1971 year

Powertrain Architecture

Internal Combustion engine

Body type

Coupe

Seats

Doors

End of production

1973 year

Engine

Power

250 Hp @ 4000 rpm.

Power per litre

33.5 Hp/l

Engine location

Front, Longitudinal

Number of cylinders

Position of cylinders

V-engine

Compression ratio

8.5

Number of valves per cylinder

Engine aspiration

Naturally aspirated engine

Torque

508 Nm @ 2800 rpm.

Engine displacement

7458

Cylinder Bore

109.5 mm

Piston Stroke

99 mm

Dimensions

Rear (Back) track

1626 mm

Width

2032 mm

Height

1372 mm

Length

5545 mm

Front track

1615 mm

Wheelbase

3096 mm

Performance Characteristics

Fuel Type

Petrol (Gasoline)

Weight-to-power ratio

8.2 kg/Hp, 122.4 Hp/tonne

Weight-to-torque ratio

4 kg/Nm, 248.8 Nm/tonne

Maximum speed

173 km/h

Volume and Weight

Kerb Weight

2042 kg

Transmission, Brakes and Suspension

Drivetrain Architecture

The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

Drive wheel

Rear wheel drive

Number of gears and type of gearbox

5 gears, manual transmission

Front brakes

Disc

Rear brakes

Drum

Buick Riviera 7.5 (250 Hp)