The Comparative Analysis :
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. BMW Z4 Roadster sDrive28i (11 - 13)
€ 61,000
€ 43,600
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,600
ⓘ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 sDrive28i.
Z4 Roadster M40i
Z4 Roadster sDrive28i
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 sDrive28i
1610 kg
Kerb Weight
1475 kg
1860 kg
Gross Vehicle
Weight
Weight
1730 kg
Weight Difference:
135 kg
8.39 %
General
Z4 Roadster M40i
Z4 Roadster sDrive28i
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 sDrive28i
Straight-six petrol engine with two turbochargers (biturbo)
Engine Type
Straight-four petrol engine with turbocharger
BMW B58
Engine Series
BMW N20
B58-B30
Engine Code
N20-B20
4
Valves
4
6
Cylinders
4
2998 CC
Engine Capacity
1997 CC
335 bhp
at 5000 rpm
Power
242 bhp
at 5000 rpm
Z4 Roadster M40i
335 bhp
242 bhp
Z4 Roadster sDrive28i
500 NM
at 1600 rpm
Max. Torque
350 NM
at 1250 rpm
Z4 Roadster M40i
500 NM
350 NM
Z4 Roadster sDrive28i
Performance
Z4 Roadster M40i
Z4 Roadster sDrive28i
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
63 m
0.000 sec
Z4 Roadster M40i
62 mph
62
mph
mph
79 m
0.000 sec
Z4 Roadster sDrive28i
▶ REPLAY
4.81 kg/bhp
Weight-to-Power Ratio
6.1 kg/bhp
Z4 Roadster M40i
4.81 kg/bhp
6.1 kg/bhp
Z4 Roadster sDrive28i
Fuel Economy / Emissions
Z4 Roadster M40i
Z4 Roadster sDrive28i
Fuel Economy
40 mpg
combined
42 mpg
Z4 Roadster M40i
40 mpg
42 mpg
Z4 Roadster sDrive28i
31 mpg
city
32 mpg
No data
motorway
No data
52 L
Fuel Tank Capacity
55 L
455 mi
Range
503 mi
Z4 Roadster M40i
455 mi
503 mi
Z4 Roadster sDrive28i
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 sDrive28i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
191 g/km (WLTP)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
Z4 Roadster M40i
Z4 Roadster sDrive28i
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
