The Comparative Analysis :

BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) vs. Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)

€ 43,300
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) BMW Z4 Roadster sDrive20i
€ 70,700
 Mercedes SLK 55 AMG 7G-TRONIC (08 - 11) Mercedes SLK 55 AMG
€ 43,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,700

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

Vehicle Dimensions

The BMW Z4 Roadster sDrive20i is considerably bigger in every dimension. It's 22.1 cm longer, 7 cm wider and 3.3 cm taller than the Mercedes SLK 55 AMG.
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
1304
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
1864
2024
1271
Blueprint Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)
1794
2005
1864 mm
Width
1794 mm
2024 mm
Width Incl. Mirrors
2005 mm
1304 mm
Height
1271 mm
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
2470
4324
Blueprint Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)
2430
4103
4324 mm
Length
4103 mm
2470 mm
Wheelbase
2430 mm

Vehicle Weight

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
1495 kg
Kerb Weight
1575 kg
1740 kg
Gross Vehicle
Weight
1850 kg
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
Weight Difference:
80 kg
5.08 %
Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)

General

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
G29
Generation
R171
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
7-speed automatic transmission

Engine

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
Straight-four petrol engine with tur­bo­charger
Engine Type
V8 petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B48
Engine Series
Mercedes-Benz M 113
B48-B20
Engine Code
M 113.989
4
Valves
3
4
Cylinders
8
1998 CC
Engine Capacity
5439 CC
194 bhp
at 4500 rpm
Power
355 bhp
at 5750 rpm
BMW Z4 Roadster sDrive20i
194 bhp
355 bhp
Mercedes SLK 55 AMG
320 NM
at 1450 rpm
Max. Torque
510 NM
at 4000 rpm
BMW Z4 Roadster sDrive20i
320 NM
510 NM
Mercedes SLK 55 AMG

Performance

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
149 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

92 m
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

68 m
0.000 sec

Mercedes SLK 55 AMG

▶ REPLAY
7.71 kg/bhp
Weight-to-Power Ratio
4.44 kg/bhp
BMW Z4 Roadster sDrive20i
7.71 kg/bhp
4.44 kg/bhp
Mercedes SLK 55 AMG

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
Fuel Economy
46 mpg
combined
24 mpg
BMW Z4 Roadster sDrive20i
46 mpg
24 mpg
Mercedes SLK 55 AMG
39 mpg
city
16 mpg
No data
motorway
32 mpg
Kraftstoffanzeige
52 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
529 mi
Range
362 mi
BMW Z4 Roadster sDrive20i
529 mi
362 mi
Mercedes SLK 55 AMG
Environmental Impact
115.6 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).
227.4 kWh
BMW Z4 Roadster sDrive20i
115.6 kWh
227.4 kWh
Mercedes SLK 55 AMG
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 4
167 g/km (WLTP)
CO2 Emissions
288 g/km (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
275 kg
281 L
Boot Capacity
300 L
No data
Boot Capacity (Seats Down)
No data