The Comparative Analysis :
BMW Z4 Roadster sDrive20i (19 - ..) vs. BMW Z4 Roadster sDrive30i (09 - 11)
€ 41,000
€ 43,400
€ 41,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Z4 Roadster sDrive20i 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 sDrive30i.
Z4 Roadster sDrive20i
Z4 Roadster sDrive30i
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 sDrive20i
Z4 Roadster sDrive30i
1480 kg
Kerb Weight
1490 kg
1725 kg
Gross Vehicle
Weight
Weight
1745 kg
Weight Difference:
10 kg
0.67 %
General
Z4 Roadster sDrive20i
Z4 Roadster sDrive30i
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
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Z4 Roadster sDrive20i
Z4 Roadster sDrive30i
Straight-four petrol engine with turbocharger
Engine Type
Straight-six petrol engine (naturally aspirated engine)
BMW B48
Engine Series
BMW N52
B48-B20
Engine Code
N52-B30
4
Valves
4
4
Cylinders
6
1998 CC
Engine Capacity
2996 CC
194 bhp
at 4500 rpm
Power
254 bhp
at 6600 rpm
Z4 Roadster sDrive20i
194 bhp
254 bhp
Z4 Roadster sDrive30i
320 NM
at 1450 rpm
Max. Torque
310 NM
at 2600 rpm
Z4 Roadster sDrive20i
320 NM
310 NM
Z4 Roadster sDrive30i
Performance
Z4 Roadster sDrive20i
Z4 Roadster sDrive30i
150 mph
Maximum Speed
155 mph
6.8 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph
62
mph
mph
94 m
0.000 sec
Z4 Roadster sDrive20i
62 mph
62
mph
mph
81 m
0.000 sec
Z4 Roadster sDrive30i
▶ REPLAY
7.63 kg/bhp
Weight-to-Power Ratio
5.87 kg/bhp
Z4 Roadster sDrive20i
7.63 kg/bhp
5.87 kg/bhp
Z4 Roadster sDrive30i
Fuel Economy / Emissions
Z4 Roadster sDrive20i
Z4 Roadster sDrive30i
Fuel Economy
42 mpg
combined
33 mpg
Z4 Roadster sDrive20i
42 mpg
33 mpg
Z4 Roadster sDrive30i
31 mpg
city
23 mpg
No data
motorway
No data
52 L
Fuel Tank Capacity
55 L
475 mi
Range
402 mi
Z4 Roadster sDrive20i
475 mi
402 mi
Z4 Roadster sDrive30i
Environmental Impact
128.7 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 sDrive20i
128.7 kWh
161.1 kWh
Z4 Roadster sDrive30i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
164 g/km (WLTP)
CO2 Emissions
199 g/km (NEFZ)
Practical Convenience
Z4 Roadster sDrive20i
Z4 Roadster sDrive30i
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
255 kg
281 L
Boot Capacity
310 L
No data
Boot Capacity (Seats Down)
No data
