BMW 3 Series (E21) 320 (122 Hp) | Technical specs, data, fuel consumption, Dimensions

Key specs

BMW 3 Series (E21) 320 (122 Hp) /Sedan 1977 - 1982/

What is the body type of BMW 3 Series (E21)?

Sedan, 2 Doors, 5 Seats

What is the fuel consumption and economy of BMW 3 Series (E21) 320 (122 Hp)?

9.6 l/100 km
24.5 US mpg
29.4 UK mpg
10.4 km/l

How fast is 1977 3 Series (E21) 320 (122 Hp)?

180 km/h | 112 mph
0-100 km/h: 10 sec
0-60 mph: 9.5 sec

What is the power output of BMW 3 Series Sedan 1977 320 (122 Hp)?

122 Hp, 160 Nm
118 lb.-ft.

What is the engine displacement of BMW 3 Series Sedan 1977 320 (122 Hp)?

2.0 l
1990 cm³
121.44 cu. in.

What is the number of cylinders in 1977 BMW 320 (122 Hp)?

6, Inline

What is the drivetrain of BMW 3 Series (E21) Sedan 1977 320 (122 Hp)?

Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

What is the length of 1977 BMW 3 Series Sedan?

4355 mm
171.46 in.

What is the width of 1977 BMW 3 Series Sedan?

1610 mm
63.39 in.

What is the kerb weight of 1977 BMW 3 Series (E21) 320 (122 Hp)?

1090 kg
2403 lbs.

What is the trunk (boot) capacity of 1977 BMW 3 Series Sedan?

404 l
14.3 cu. ft.

What are the number of gears and the gearbox type of 1977 BMW 3 Series (E21) 320 (122 Hp)?

5, manual transmission

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General information

Brand

BMW

Model

3 Series

Generation

3 Series (E21)

Modification (Engine)

320 (122 Hp)

Start of production

1977

End of production

1982

Powertrain Architecture

Internal Combustion engine

Body type

Sedan

Seats

Doors

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Performance specs

Fuel consumption (economy) - urban

13 l/100 km 18.1 US mpg
21.7 UK mpg
7.7 km/l

Fuel consumption (economy) - extra urban

7.2 l/100 km 32.7 US mpg
39.2 UK mpg
13.9 km/l

Fuel consumption (economy) - combined

9.6 l/100 km 24.5 US mpg
29.4 UK mpg
10.4 km/l

Fuel Type

Petrol (Gasoline)

Acceleration 0 - 100 km/h

10 sec

Acceleration 0 - 62 mph

10 sec

Acceleration 0 - 60 mph (Calculated by Auto-Data.net)

9.5 sec

Maximum speed

180 km/h 112 mph

Weight-to-power ratio

8.9 kg/Hp, 111.9 Hp/tonne

Weight-to-torque ratio

6.8 kg/Nm, 146.8 Nm/tonne

Engine specs

Power

122 Hp @ 6000 rpm.

Power per litre

61.3 Hp/l

Torque

160 Nm @ 4000 rpm. 118 lb.-ft. @ 4000 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

M20B20

Engine displacement

1990 cm³ 121.44 cu. in.

Number of cylinders

Engine configuration

Inline

Cylinder Bore

80 mm 3.15 in.

Piston Stroke

66 mm 2.6 in.

Number of valves per cylinder

Fuel injection system

Multi-port manifold injection

Engine aspiration

Naturally aspirated engine

Engine oil capacity

4.25 l 4.49 US qt | 3.74 UK qt

Engine oil specification

Volume and weights

Kerb Weight

1090 kg 2403 lbs.

Trunk (boot) space - minimum

404 l 14.3 cu. ft.

Fuel tank capacity

58 l 15.32 US gal | 12.76 UK gal

Max. roof load

75 kg 165 lbs.

Dimensions

Length

4355 mm 171.46 in.

Width

1610 mm 63.39 in.

Height

1380 mm 54.33 in.

Wheelbase

2563 mm 100.91 in.

Front track

1366 mm 53.78 in.

Rear (Back) track

1373 mm 54.06 in.

Ride height (ground clearance)

145 mm 5.71 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 brakes

Disc

Rear brakes