The third-generation BMW Z4 sDrive30i AT is a gasoline rear-wheel-drive roadster listed with an automatic transmission, a configuration in which gear selection is handled by the gearbox rather than by a clutch pedal.
3 generation · Roadster
Generation photo. Individual trim appearance may differ.
The highest speed a vehicle can sustain under manufacturer test conditions. Some cars are electronically limited below their mechanical potential. Glossary entry
250 km/h
Engine type
Gasoline
Transmission
Automatic
Type of boost?
A turbocharger or supercharger compresses the air entering the engine so a smaller engine can produce more power. Naturally aspirated engines draw air without a compressor. Glossary entry
Turbo
Type of drive?
Which wheels receive power: front-wheel drive, rear-wheel drive or all-wheel drive. All-wheel drive can send power to every wheel for extra traction. Glossary entry
RWD
Bore and stroke?
The diameter of a cylinder (bore) and the distance the piston travels inside it (stroke). Together they determine the displacement of the engine. Glossary entry
82 × 94.6 mm
Engine capacity?
The total volume swept by all pistons inside the cylinders, usually stated in cubic centimetres or litres. Larger displacement often means more power but higher consumption. Glossary entry
1998 cm³
Engine location
Front, longitudinal
Number of gears?
How many fixed forward ratios a gearbox offers. More gears can improve economy and refinement; continuously variable transmissions have no fixed steps. Glossary entry
8
Maximum power?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
258 hp
Maximum power, kw?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
190 kW
Compression ratio?
The ratio between the largest and smallest volume of a cylinder as the piston moves. Higher ratios improve efficiency but may require higher-octane fuel. Glossary entry
10.2
Maximum power rpm
5000 – 6500 rpm
Maximum torque N⋅m
408 N⋅m
Maximum torque rpm
1550 – 4400 rpm
Acceleration to 100?
The time a vehicle needs to reach 100 km/h from a standstill, a common shorthand for overall performance. Glossary entry
5.4 s
Engine power system
Direct injection (direct)
Number of cylinders
4
Valves per cylinder?
The number of intake and exhaust valves in each cylinder. Four valves per cylinder is common and helps the engine breathe at higher speeds. Glossary entry
4
Cylinder arrangement
Inline
Maximum power ICE
Not provided
Maximum power ICE
Not provided
Energy & emissions
ECO class
Euro 6
Battery power
Not provided
Fuel grade
95
Mild Hybrid?
A car with a small electric motor and battery that assist the combustion engine and recover braking energy but cannot drive on electricity alone. Glossary entry
Not provided
Battery type
Not provided
CO2 emissions?
The amount of carbon dioxide released per kilometre under a standardised test. Lower figures usually go hand in hand with lower fuel consumption. Glossary entry
139 g/km
Full charge home
Not provided
Power consumption
Not provided
Fuel tank capacity
52 l
Full public charging time
Not provided
Driving range, maximum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Driving range, minimum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Fuel consumption city
7.4 l
Average consumption
6.1 l
Fuel consumption highway
5.3 l
Dimensions & body
Doors number
2
Number of seats
2
Width
1864 mm
Height
1304 mm
Length
4324 mm
Body type
Roadster
Wheelbase?
The distance between the centres of the front and rear wheels. A longer wheelbase usually gives more cabin space and a calmer ride; a shorter one helps agility and parking. Glossary entry
2470 mm
U-turn diameter
Not provided
Depth of the ford to be crossed
Not provided
Body style
Drop-top
Rear track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1616 mm
Trunk volume max
Not provided
Trunk volume min
281 l
Front track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1609 mm
Max weight
1740 kg
Curb weight?
The weight of the vehicle with all standard equipment and fluids but without passengers or cargo. Glossary entry
1505 kg
Ground clearance, maximum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
Not provided
Ground clearance, minimum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
117 mm
Identity & configuration
Body code
G29
Vehicle class
S
Body designation
G29
Right-hand drive
No
Additional specifications
Stop
2022-08-31
Start
2018-08-01
Wheel size
Not provided
Rear brakes
Ventilated disc
Front brakes
Ventilated disc
Rear suspension
Independent, spring
Front suspension
Independent, spring
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Not provided means the source has no value. Zero remains zero. Units are shown as supplied; range test cycles are only stated when known.
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Engine and Transmission
With an automatic listed, the driver commands throttle and brake while the gearbox chooses ratios from road speed and pedal position. Deeper throttle signals a request for a lower gear, so the main control left is how firmly the accelerator is pressed.
Drivetrain and Everyday Driving
Rear-wheel drive separates the jobs of steering and propulsion: the front wheels only turn the car, while drive is delivered at the rear. The transmission meanwhile manages engagement from rest, so pulling away needs no coordination between pedals.
Body and Practicality
A roadster body places the luggage area behind the cabin with no rear seats to fall back on, so everything travels in that single compartment. Loading happens through one opening rather than through a hatch shared with passenger space.
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