Comparison of Buick Regal I Coupe 7.5 V8 Automatic and Buick Riviera III 7.5

Attribute	Buick Riviera III 7.5 ×	Buick Regal I Coupe 7.5 V8 Automatic ×
General
Make	Buick	Buick
Model	Riviera	Regal
Generation	Riviera III	Regal I Coupe
Modification	7.5	7.5 V8 Automatic
Website	https://www.buick.com/	https://www.buick.com/
Number of doors	2	2
Number of seats	4	5
Body type	Coupe	Coupe
Transmission	manual	automatic hydramatic
Number of gears	5	3
Production from (year)	1971	1973
Production to (year)	1973	1977
Performance
Top speed (km/h)	173	-
Drive
Drive	Rear wheel drive	Rear wheel drive
Position of engine	Front,ongitudinal	Front,ongitudinal
Fuel	Petrol (Gasoline)	Petrol (Gasoline)
Max. power (hp)	250	233
Max. torque (Nm)	508	482
Fuel Engine
Number of cylinders	8	8
Cylinders arrangement	V engine	V engine
Valves per cylinder	2	2
Engine displacement (cm³)	7,458	7,468
Compression ratio	8.5	8.5
Max. power @ rpm (rpm)	4,000	3,800
Max. torque @ rpm (rpm)	2,800	2,200
Cylinder bore (mm)	109.5	109.54
Piston stroke (mm)	99	99.06
Fuel system	-	Carburettor
Fuel tank (l)	-	83
Chassis
Front brakes	Disc	Ventilated discs
Rear brakes	Drum	Drum
Tires size	-	185/75 R14 195/70 R14 195/70 R14 205/65 R14 215/60 R14
Turning radius (m)	-	13.6
Dimensions
Length (mm)	5,545	5,352
Width (mm)	2,032	2,007
Height (mm)	1,372	1,359
Wheelbase (mm)	3,096	2,845
Kerb weight (kg)	2,042	1,920
Minimum boot space (l)	-	416
Front track (mm)	1,615	1,562
Rear track (mm)	1,626	1,542
Drag coefficient (Cd)	-	0.48