The Comparative Analysis :

BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13) vs. BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)

€ 57,300
BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13) Z4 Roadster sDrive35is
€ 43,300
 BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) Z4 Roadster sDrive20i
€ 57,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,300

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Z4 Roadster sDrive35is is slightly smaller in every dimension. It's 8 cm shorter, 7.4 cm narrower and 2 cm lower than the Z4 Roadster sDrive20i.
Z4 Roadster sDrive35is
Z4 Roadster sDrive20i
1284
Blueprint BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)
1790
1951
1304
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
1864
2024
1790 mm
Width
1864 mm
1951 mm
Width Incl. Mirrors
2024 mm
1284 mm
Height
1304 mm
Blueprint BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)
2496
4244
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
2470
4324
4244 mm
Length
4324 mm
2496 mm
Wheelbase
2470 mm

Vehicle Weight

Z4 Roadster sDrive35is
Z4 Roadster sDrive20i
1600 kg
Kerb Weight
1495 kg
1855 kg
Gross Vehicle
Weight
1740 kg
BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)
Weight Difference:
105 kg
6.56 %
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)

General

Z4 Roadster sDrive35is
Z4 Roadster sDrive20i
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
7-speed dual clutch transmission
Transmission
8-speed automatic transmission

Engine

Z4 Roadster sDrive35is
Z4 Roadster sDrive20i
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four petrol engine with tur­bo­charger
BMW N54
Engine Series
BMW B48
N54-B30
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
2979 CC
Engine Capacity
1998 CC
335 bhp
at 5900 rpm
Power
194 bhp
at 4500 rpm
Z4 Roadster sDrive35is
335 bhp
194 bhp
Z4 Roadster sDrive20i
450 NM
at 1500 rpm
Max. Torque
320 NM
at 1450 rpm
Z4 Roadster sDrive35is
450 NM
320 NM
Z4 Roadster sDrive20i

Performance

Z4 Roadster sDrive35is
Z4 Roadster sDrive20i
155 mph
Maximum Speed
149 mph
4.8 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph 62
mph

67 m
0.000 sec

Z4 Roadster sDrive35is

62 mph 62
mph

92 m
0.000 sec

Z4 Roadster sDrive20i

▶ REPLAY
4.78 kg/bhp
Weight-to-Power Ratio
7.71 kg/bhp
Z4 Roadster sDrive35is
4.78 kg/bhp
7.71 kg/bhp
Z4 Roadster sDrive20i

Fuel Economy / Emissions

Z4 Roadster sDrive35is
Z4 Roadster sDrive20i
Fuel Economy
31 mpg
combined
46 mpg
Z4 Roadster sDrive35is
31 mpg
46 mpg
Z4 Roadster sDrive20i
22 mpg
city
39 mpg
No data
motorway
No data
Kraftstoffanzeige
55 L
Fuel Tank Capacity
52 L
Kraftstoffanzeige
380 mi
Range
529 mi
Z4 Roadster sDrive35is
380 mi
529 mi
Z4 Roadster sDrive20i
Environmental Impact
170.4 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).
115.6 kWh
Z4 Roadster sDrive35is
170.4 kWh
115.6 kWh
Z4 Roadster sDrive20i
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
210 g/km (NEFZ)
CO2 Emissions
167 g/km (WLTP)

Practical Convenience

Z4 Roadster sDrive35is
Z4 Roadster sDrive20i
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
245 kg
310 L
Boot Capacity
281 L
No data
Boot Capacity (Seats Down)
No data