The Comparative Analysis :
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) vs. BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
€ 45,800
€ 61,000
€ 45,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 61,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Z4 Roadster sDrive30i is slightly smaller in every dimension. It's 8.5 cm shorter, 7.4 cm narrower and 1.3 cm lower than the Z4 Roadster M40i.
Z4 Roadster sDrive30i
Z4 Roadster M40i
1291
1790
1951
1304
1864
2024
1790 mm
Width
1864 mm
1951 mm
Width Incl. Mirrors
2024 mm
1291 mm
Height
1304 mm
2496
4239
2470
4324
4239 mm
Length
4324 mm
2496 mm
Wheelbase
2470 mm
Vehicle Weight
Z4 Roadster sDrive30i
Z4 Roadster M40i
1505 kg
Kerb Weight
1610 kg
1760 kg
Gross Vehicle
Weight
Weight
1860 kg
Weight Difference:
105 kg
6.52 %
General
Z4 Roadster sDrive30i
Z4 Roadster M40i
E89
Generation
G29
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Z4 Roadster sDrive30i
Z4 Roadster M40i
Straight-six petrol engine (naturally aspirated engine)
Engine Type
Straight-six petrol engine with two turbochargers (biturbo)
BMW N52
Engine Series
BMW B58
N52-B30
Engine Code
B58-B30


4
Valves
4
6
Cylinders
6
2996 CC
Engine Capacity
2998 CC
254 bhp
at 6600 rpm
Power
335 bhp
at 5000 rpm
Z4 Roadster sDrive30i
254 bhp
335 bhp
Z4 Roadster M40i
310 NM
at 2600 rpm
Max. Torque
500 NM
at 1600 rpm
Z4 Roadster sDrive30i
310 NM
500 NM
Z4 Roadster M40i
Performance
Z4 Roadster sDrive30i
Z4 Roadster M40i
155 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
85 m
0.000 sec
Z4 Roadster sDrive30i
62 mph
62
mph
mph
63 m
0.000 sec
Z4 Roadster M40i
▶ REPLAY
5.93 kg/bhp
Weight-to-Power Ratio
4.81 kg/bhp
Z4 Roadster sDrive30i
5.93 kg/bhp
4.81 kg/bhp
Z4 Roadster M40i
Fuel Economy / Emissions
Z4 Roadster sDrive30i
Z4 Roadster M40i
Fuel Economy
34 mpg
combined
40 mpg
Z4 Roadster sDrive30i
34 mpg
40 mpg
Z4 Roadster M40i
24 mpg
city
31 mpg
No data
motorway
No data
55 L
Fuel Tank Capacity
52 L
412 mi
Range
455 mi
Z4 Roadster sDrive30i
412 mi
455 mi
Z4 Roadster M40i
Environmental Impact
157.2 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).
134.5 kWh
Z4 Roadster sDrive30i
157.2 kWh
134.5 kWh
Z4 Roadster M40i
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
195 g/km (NEFZ)
CO2 Emissions
191 g/km (WLTP)
Practical Convenience
Z4 Roadster sDrive30i
Z4 Roadster M40i
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
250 kg
310 L
Boot Capacity
281 L








No data
Boot Capacity (Seats Down)
No data




















