The Comparative Analysis :
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. BMW Z4 Roadster sDrive20i (19 - ..)
€ 61,000
€ 41,000
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the Z4 Roadster M40i and the Z4 Roadster sDrive20i are absolutely identical. Both are 4324 mm long, 1864 mm wide and 1304 mm tall.
Z4 Roadster M40i
Z4 Roadster sDrive20i
1304
1864
2024
1304
1864
2024
1864 mm
Width
1864 mm
2024 mm
Width Incl. Mirrors
2024 mm
1304 mm
Height
1304 mm
2470
4324
2470
4324
4324 mm
Length
4324 mm
2470 mm
Wheelbase
2470 mm
Vehicle Weight
Z4 Roadster M40i
Z4 Roadster sDrive20i
1610 kg
Kerb Weight
1480 kg
1860 kg
Gross Vehicle
Weight
Weight
1725 kg
Weight Difference:
130 kg
8.07 %
General
Z4 Roadster M40i
Z4 Roadster sDrive20i
G29
Generation
G29
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Z4 Roadster M40i
Z4 Roadster sDrive20i
Straight-six petrol engine with two turbochargers (biturbo)
Engine Type
Straight-four petrol engine with turbocharger
BMW B58
Engine Series
BMW B48
B58-B30
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
2998 CC
Engine Capacity
1998 CC
335 bhp
at 5000 rpm
Power
194 bhp
at 4500 rpm
Z4 Roadster M40i
335 bhp
194 bhp
Z4 Roadster sDrive20i
500 NM
at 1600 rpm
Max. Torque
320 NM
at 1450 rpm
Z4 Roadster M40i
500 NM
320 NM
Z4 Roadster sDrive20i
Performance
Z4 Roadster M40i
Z4 Roadster sDrive20i
155 mph
Maximum Speed
150 mph
4.5 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
63 m
0.000 sec
Z4 Roadster M40i
62 mph
62
mph
mph
94 m
0.000 sec
Z4 Roadster sDrive20i
▶ REPLAY
4.81 kg/bhp
Weight-to-Power Ratio
7.63 kg/bhp
Z4 Roadster M40i
4.81 kg/bhp
7.63 kg/bhp
Z4 Roadster sDrive20i
Fuel Economy / Emissions
Z4 Roadster M40i
Z4 Roadster sDrive20i
Fuel Economy
40 mpg
combined
42 mpg
Z4 Roadster M40i
40 mpg
42 mpg
Z4 Roadster sDrive20i
31 mpg
city
31 mpg
No data
motorway
No data
52 L
Fuel Tank Capacity
52 L
455 mi
Range
475 mi
Z4 Roadster M40i
455 mi
475 mi
Z4 Roadster sDrive20i
Environmental Impact
134.5 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
128.7 kWh
Z4 Roadster M40i
134.5 kWh
128.7 kWh
Z4 Roadster sDrive20i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
191 g/km (WLTP)
CO2 Emissions
164 g/km (WLTP)
Practical Convenience
Z4 Roadster M40i
Z4 Roadster sDrive20i
2
Doors
2
2
No. of Seats
2
250 kg
Maximum Payload
245 kg
281 L
Boot Capacity
281 L
No data
Boot Capacity (Seats Down)
No data
