Comparison of BMW 6 Series (E24) 635 CSi and BMW M5 (E12) 3.5i

Attribute	BMW 6 Series (E24) 635 CSi ×	BMW M5 (E12) 3.5i ×
General
Make	BMW	BMW
Model	6 Series	M5
Generation	6 Series (E24)	M5 (E12)
Modification	635 CSi	3.5i
Website	https://www.bmw.com	https://www.bmw.com
Number of doors	2	4
Number of seats	4	5
Body type	Coupe	Sedan
Transmission	manual	manual
Number of gears	5	5
Production from (year)	1978	1980
Production to (year)	1982	1981
Performance
Top speed (km/h)	222	229
Acceleration 0-100 km/h (s)	7.6	7.2
Combined consumption (l/100km)	10	-
Drive
Drive	Rear wheel drive	Rear wheel drive
Position of engine	Front,ongitudinal	Front,ongitudinal
Fuel	Petrol (Gasoline)	Petrol (Gasoline)
Max. power (hp)	218	218
Max. torque (Nm)	310	305
Fuel Engine
Number of cylinders	6	6
Cylinders arrangement	Inline	Inline
Valves per cylinder	2	-
Engine displacement (cm³)	3,453	3,453
Compression ratio	9.3	-
Max. power @ rpm (rpm)	5,200	5,200
Max. torque @ rpm (rpm)	4,000	4,000
Cylinder bore (mm)	93.4	-
Piston stroke (mm)	84	-
Fuel system	Direct injection	-
Fuel tank (l)	70	-
Chassis
Front wheel suspension	Independent, Spring McPherson, with stabilizer	-
Rear wheel suspension	Independent, spring	-
Steering type	Worm-reduction unit	-
Front brakes	Ventilated discs	Ventilated discs
Rear brakes	Disc	Disc
Tires size	195/70 R14	195/70 R14
Turning radius (m)	11.2	-
Dimensions
Length (mm)	4,755	4,618
Width (mm)	1,725	1,689
Height (mm)	1,365	1,422
Wheelbase (mm)	2,626	2,637
Kerb weight (kg)	1,500	1,390
Gross weight (kg)	1,860	1,900
Minimum boot space (l)	415	620
Front track (mm)	1,422	1,422
Rear track (mm)	1,487	1,455
Ride height (mm)	-	152
Drag coefficient (Cd)	-	0.37