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1971 7.5 (250 Hp)

Technical specifications and auto data, engine info, performance specs, dimensions

FULL CAR SPECIFICATIONS

GENERAL INFO

Select Units

Brand

Buick

Model

Riviera

Modification

7.5 (250 Hp)

Body Type

Coupe

Start of production

1971

End of production

1973

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Engine displacement

7458 cm³ 455.12 cu. In.

Power

250 hp (at 4000 rpm)

Torque

508 Nm (at 2800 rpm) 374.68 lb. ft (at 2800 rpm)

Drive Axle

Rear wheel drive

Top Speed

173 km/h 107 mph

Gearbox type

Manual

Number of Gears

5

Kerb weight

2042 kg 4501.8 lbs

Length

5545 mm 218.31 in

Width

2032 mm 80 in

Doors

2

Seats

4

PERFORMANCE

Speed

- Top speed

173 km/h 107 mph

ENGINE SPECIFICATION

Engine Model

455 in³ Buick V8

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Engine Location

Front, Longitudinal

Turbine

none

Engine displacement

7458 cm³ 455.12 cu. In.

Power

250 hp (at 4000 rpm)

Torque

508 Nm (at 2800 rpm) 374.68 lb. ft (at 2800 rpm)

Number of cylinders

8

Valves per cylinder

2

Position of cylinders

V-engine

Cylinder Bore

109.5 mm 4.31 in

Piston Stroke

99 mm 3.9 in

Compression ratio

8.5

POWER-TO-WEIGHT RATIO (PWR)

Color Index

Dynamic Efficiency

high Performance

DIMENSIONS

Length

5545 mm 218.31 in

Width

2032 mm 80 in

Height

1372 mm 54.02 in

Wheelbase

3096 mm 121.89 in

Front track

1615 mm 63.58 in

Rear (Back) track

1626 mm 64.02 in

DRIVETRAIN, SUSPENSION & TIRES

Drive Axle

Rear wheel drive

Number of Gears

5

Brakes

- Front

Disc

- Rear

Drum

WEIGHTS & TRUNK SPACE

Kerb weight

2042 kg 4501.8 lbs

MODEL REVIEW
Buick Riviera III 7.5 (250 Hp) is made in 1971 1972 1973