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2018 20i (197 Hp) sDrive Steptronic

Technical specifications and auto data, engine info, performance specs, dimensions

FULL CAR SPECIFICATIONS

GENERAL INFO

Select Units

Brand

BMW

Series

Z4

Model

Z4

Generation

BMW Z4 (G29)

Modification

20i (197 Hp) sDrive Steptronic

Body Type

Cabriolet

Start of production

2018

End of production

2019, June

Emission standard

Euro 6 d

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Fuel tank capacity

52 l 13.74 US gal
11.44 UK gal

Engine displacement

1998 cm³ 121.93 cu. In.

Power

197 hp (at 4500 rpm)

Torque

320 Nm (at 1450 rpm) 236.02 lb. ft (at 1450 rpm)

Drive Axle

Rear wheel drive

Top Speed

226 km/h 140 mph

Gearbox type

Automatic

Number of Gears

8 Steptronic

Kerb weight

1420 kg 3130.6 lbs

Length

4324 mm 170.24 in

Width

1864 mm 73.39 in

Doors

2

Seats

2

Wheel rims

7.5J x 17

FULL SPECS

FUEL CONSUMPTION

Economy

- Urban

7.3 - 7.4 l/100 km 32.22 - 31.78 US mpg
38.7 - 38.17 UK mpg

- Extra urban

5 - 5.4 l/100 km 47.04 - 43.56 US mpg
56.5 - 52.31 UK mpg

- Combined

6 - 6.1 l/100 km 39.2 - 38.56 US mpg
47.08 - 46.31 UK mpg

CO2 Emissions

Emission standard

Euro 6 d

Overall emissions

137 - 139 g/km

PERFORMANCE

Speed

- Top speed

226 km/h 140 mph

Acceleration

0 - 100 km/h

6.6 sec

0 - 60 mph

6.3 sec

Drag coefficient (Cd)

0.29

ENGINE SPECIFICATION

Engine Model

B48B20B

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Fuel system

Direct injection

Engine Location

Front, Longitudinal

Turbine

Twin-power turbo

Engine systems

Particulate filter

Engine displacement

1998 cm³ 121.93 cu. In.

Power

197 hp (at 4500 rpm)

Torque

320 Nm (at 1450 rpm) 236.02 lb. ft (at 1450 rpm)

Number of cylinders

4

Valves per cylinder

4

Position of cylinders

Inline

Cylinder Bore

82 mm 3.23 in

Piston Stroke

94.6 mm 3.72 in

Compression ratio

10.2

Engine oil capacity

5.25 l 5.57 US qt
4.62 UK qt

Coolant

8.4 l 8.9 US qt
7.39 UK qt

POWER-TO-WEIGHT RATIO (PWR)

Color Index

Dynamic Efficiency

high Performance

DIMENSIONS

Length

4324 mm 170.24 in

Width

1864 mm 73.39 in

Width including mirrors

2024 mm 79.69 in

Height

1304 mm 51.34 in

Wheelbase

2470 mm 97.24 in

Front track

1609 mm 63.35 in

Rear (Back) track

1616 mm 63.62 in

Front overhang

907 mm 35.71 in

Rear overhang

947 mm 37.28 in

Ride height

117 mm 4.61 in

Turning diameter

11 m 36.09 ft

DRIVETRAIN, SUSPENSION & TIRES

Drive Axle

Rear wheel drive

Number of Gears

8 Steptronic

Brakes

- Front

Ventilated discs

- Rear

Ventilated discs

Assisting system

ABS

Steering type

Steering rack and pinion

Power steering

Electric Steering

Suspension

- Front

Double wishbone

- Rear

Independent multi-link suspension

Tire size

- Front

225/50 R17

- Rear

255/45 R17

Wheel rims

7.5J x 17

Rear wheel rims

8.5J x 17

WEIGHTS & TRUNK SPACE

Kerb weight

1420 kg 3130.6 lbs

Max. weight

1740 kg 3836 lbs

Luggage capacity

- Min. (seats up)

281 l 9.92 cu ft

- Max. roof load

320 kg 705.5 lbs

MODEL REVIEW
BMW Z4 (G29) 20i (197 Hp) sDrive Steptronic is made in 2018 2019