BMW 3 Series (E21) 320i (125 Hp) Automatic | Technical specs, data, fuel consumption, Dimensions

Key specs

BMW 3 Series (E21) 320i (125 Hp) Automatic /Sedan 1975 - 1977/

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

Sedan, 2 Doors, 5 Seats

What is the power output of BMW 3 Series Sedan 1975 320i (125 Hp) Automatic?

125 Hp, 170 Nm
125 lb.-ft.

What is the engine displacement of BMW 3 Series Sedan 1975 320i (125 Hp) Automatic?

2.0 l
1990 cm³
121.44 cu. in.

What is the number of cylinders in 1975 BMW 320i (125 Hp) Automatic?

6, Inline

What is the drivetrain of BMW 3 Series (E21) Sedan 1975 320i (125 Hp) Automatic?

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

What is the length of 1975 BMW 3 Series Sedan?

4355 mm
171.46 in.

What is the width of 1975 BMW 3 Series Sedan?

1610 mm
63.39 in.

What is the kerb weight of 1975 BMW 3 Series (E21) 320i (125 Hp) Automatic?

1090 kg
2403 lbs.

What is the trunk (boot) capacity of 1975 BMW 3 Series Sedan?

404 l
14.3 cu. ft.

What are the number of gears and the gearbox type of 1975 BMW 3 Series (E21) 320i (125 Hp) Automatic?

3, automatic transmission

BMW
- BMW 3 Series
  - 3 Series (E21)
    - 323i (143 Hp) Automatic
    - 323i (143 Hp)
    - 320i (125 Hp) Automatic
    - 320i (125 Hp)
    - 320 (122 Hp) Automatic
    - 320 (122 Hp)
    - 320 (109 Hp)
    - 318i (105 Hp) Automatic
    - 318i (105 Hp)
    - 318 (98 Hp)
    - 316 (90 Hp)
    - 316 (90 Hp)
    - 315 (75 Hp)
    - 315 (75 Hp)

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General information

Brand

BMW

Model

3 Series

Generation

3 Series (E21)

Modification (Engine)

320i (125 Hp) Automatic

Start of production

1975

End of production

1977

Powertrain Architecture

Internal Combustion engine

Body type

Sedan

Seats

Doors

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Performance specs

Fuel Type

Petrol (Gasoline)

Weight-to-power ratio

8.7 kg/Hp, 114.7 Hp/tonne

Weight-to-torque ratio

6.4 kg/Nm, 156 Nm/tonne

Engine specs

Power

125 Hp @ 5800 rpm.

Power per litre

62.8 Hp/l

Torque

170 Nm @ 4000 rpm. 125 lb.-ft. @ 4000 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

M10B20

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.

Compression ratio

9.7:1

Number of valves per cylinder

Fuel injection system

Multi-port manifold injection

Engine aspiration

Naturally aspirated engine

Engine oil capacity

4 l 4.23 US qt | 3.52 UK qt

Engine oil specification

Coolant

7 l 7.4 US qt | 6.16 UK qt

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

3 gears, automatic transmission

Front brakes

Disc

Rear brakes