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1971 Buick Riviera III 7.5 (250 Hp)

1971 Buick Riviera III - Photo 1
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Key specs

Buick Riviera Coupe 1971, 1972, 1973

What is the body type, Buick Riviera III?Coupe, 2 Doors, 4 Seats
How fast is the car, 1971 Riviera III 7.5 (250 Hp)?173 km/h | 107.5 mph
How much power, Buick Riviera Coupe 1971 7.5 (250 Hp)?250 Hp, 508 Nm
374.68 lb.-ft.
What is the engine size, Buick Riviera Coupe 1971 7.5 (250 Hp)?7.5 l
7458 cm3
455.12 cu. in.
How many cylinders, 1971 Buick 7.5 (250 Hp)?8, V-engine
What is the drivetrain, Buick Riviera III Coupe 1971 7.5 (250 Hp)?Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
How long is this vehicle, 1971 Buick Riviera Coupe?5545 mm
218.31 in.
How wide is the vehicle, 1971 Buick Riviera Coupe?2032 mm
80 in.
What is the curb weight, 1971 Buick Riviera III 7.5 (250 Hp)?2042 kg
4501.84 lbs.
How many gears, What type is the gearbox, 1971 Buick Riviera III 7.5 (250 Hp)?5, manual transmission

Buick Riviera III 7.5 (250 Hp) 1971, 1972, 1973 Specs

General information
BrandBuick
Model Riviera
Generation Riviera III
Modification (Engine) 7.5 (250 Hp)
Start of production 1971 year
End of production 1973 year
Powertrain Architecture Internal Combustion engine
Body typeCoupe
Seats 4
Doors 2
Performance specs
Fuel Type Petrol (Gasoline)
Maximum speed 173 km/h 107.5 mph
Weight-to-power ratio 8.2 kg/Hp, 122.4 Hp/tonne
Weight-to-torque ratio 4 kg/Nm, 248.8 Nm/tonne
Engine specs
Power 250 Hp @ 4000 rpm.
Power per litre 33.5 Hp/l
Torque 508 Nm @ 2800 rpm. 374.68 lb.-ft. @ 2800 rpm.
Engine layout Front, Longitudinal
Engine displacement 7458 cm3 455.12 cu. in.
Number of cylinders 8
Engine configuration V-engine
Cylinder Bore 109.5 mm 4.31 in.
Piston Stroke 99 mm 3.9 in.
Compression ratio 8.5:1
Number of valves per cylinder 2
Engine aspiration Naturally aspirated engine
Space, Volume and weights
Kerb Weight 2042 kg 4501.84 lbs.
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, brakes and suspension specs
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 brakesDisc
Rear brakesDrum