The Comparative Analysis :
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. BMW Z4 Roadster sDrive23i (09 - 11)
€ 61,000
€ 36,400
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Z4 Roadster M40i is slightly bigger in every dimension. It's 8.5 cm longer, 7.4 cm wider and 1.3 cm taller than the Z4 Roadster sDrive23i.
Z4 Roadster M40i
Z4 Roadster sDrive23i
1304
1864
2024
1291
1790
1951
1864 mm
Width
1790 mm
2024 mm
Width Incl. Mirrors
1951 mm
1304 mm
Height
1291 mm
2470
4324
2496
4239
4324 mm
Length
4239 mm
2470 mm
Wheelbase
2496 mm
Vehicle Weight
Z4 Roadster M40i
Z4 Roadster sDrive23i
1610 kg
Kerb Weight
1480 kg
1860 kg
Gross Vehicle
Weight
Weight
1735 kg
Weight Difference:
130 kg
8.07 %
General
Z4 Roadster M40i
Z4 Roadster sDrive23i
G29
Generation
E89
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 sDrive23i
Straight-six petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine (naturally aspirated engine)
BMW B58
Engine Series
BMW N52
B58-B30
Engine Code
N52-B25
4
Valves
4
6
Cylinders
6
2998 CC
Engine Capacity
2497 CC
335 bhp
at 5000 rpm
Power
201 bhp
at 6300 rpm
Z4 Roadster M40i
335 bhp
201 bhp
Z4 Roadster sDrive23i
500 NM
at 1600 rpm
Max. Torque
250 NM
at 2750 rpm
Z4 Roadster M40i
500 NM
250 NM
Z4 Roadster sDrive23i
Performance
Z4 Roadster M40i
Z4 Roadster sDrive23i
155 mph
Maximum Speed
150 mph
4.5 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
63 m
0.000 sec
Z4 Roadster M40i
62 mph
62
mph
mph
92 m
0.000 sec
Z4 Roadster sDrive23i
▶ REPLAY
4.81 kg/bhp
Weight-to-Power Ratio
7.36 kg/bhp
Z4 Roadster M40i
4.81 kg/bhp
7.36 kg/bhp
Z4 Roadster sDrive23i
Fuel Economy / Emissions
Z4 Roadster M40i
Z4 Roadster sDrive23i
Fuel Economy
40 mpg
combined
33 mpg
Z4 Roadster M40i
40 mpg
33 mpg
Z4 Roadster sDrive23i
31 mpg
city
23 mpg
No data
motorway
No data
52 L
Fuel Tank Capacity
55 L
455 mi
Range
402 mi
Z4 Roadster M40i
455 mi
402 mi
Z4 Roadster sDrive23i
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).
161.1 kWh
Z4 Roadster M40i
134.5 kWh
161.1 kWh
Z4 Roadster sDrive23i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
191 g/km (WLTP)
CO2 Emissions
199 g/km (NEFZ)
Practical Convenience
Z4 Roadster M40i
Z4 Roadster sDrive23i
2
Doors
2
2
No. of Seats
2
250 kg
Maximum Payload
255 kg
281 L
Boot Capacity
310 L
No data
Boot Capacity (Seats Down)
No data
