The Comparative Analysis :

BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. Mercedes SLK 280 7G-TRONIC (05 - 08)

€ 61,000
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) BMW Z4 Roadster M40i
€ 43,500
 Mercedes SLK 280 7G-TRONIC (05 - 08) Mercedes SLK 280
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,500

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

Vehicle Dimensions

The BMW Z4 Roadster M40i is considerably bigger in every dimension. It's 23.5 cm longer, 7.6 cm wider and 0.8 cm taller than the Mercedes SLK 280.
BMW Z4 Roadster M40i
Mercedes SLK 280
1304
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
1864
2024
1296
Blueprint Mercedes SLK 280 7G-TRONIC (05 - 08)
1788
1970
1864 mm
Width
1788 mm
2024 mm
Width Incl. Mirrors
1970 mm
1304 mm
Height
1296 mm
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
2470
4324
Blueprint Mercedes SLK 280 7G-TRONIC (05 - 08)
2430
4089
4324 mm
Length
4089 mm
2470 mm
Wheelbase
2430 mm

Vehicle Weight

BMW Z4 Roadster M40i
Mercedes SLK 280
1610 kg
Kerb Weight
1460 kg
1860 kg
Gross Vehicle
Weight
1755 kg
BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
Weight Difference:
150 kg
9.32 %
Mercedes SLK 280 7G-TRONIC (05 - 08)

General

BMW Z4 Roadster M40i
Mercedes SLK 280
G29
Generation
R171
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

BMW Z4 Roadster M40i
Mercedes SLK 280
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
Engine Type
V6 petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B58
Engine Series
Mercedes-Benz M 272
B58-B30
Engine Code
M 272.942
4
Valves
4
6
Cylinders
6
2998 CC
Engine Capacity
2997 CC
335 bhp
at 5000 rpm
Power
228 bhp
at 6100 rpm
BMW Z4 Roadster M40i
335 bhp
228 bhp
Mercedes SLK 280
500 NM
at 1600 rpm
Max. Torque
300 NM
at 3500 rpm
BMW Z4 Roadster M40i
500 NM
300 NM
Mercedes SLK 280

Performance

BMW Z4 Roadster M40i
Mercedes SLK 280
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph 62
mph

63 m
0.000 sec

BMW Z4 Roadster M40i

62 mph 62
mph

86 m
0.000 sec

Mercedes SLK 280

▶ REPLAY
4.81 kg/bhp
Weight-to-Power Ratio
6.4 kg/bhp
BMW Z4 Roadster M40i
4.81 kg/bhp
6.4 kg/bhp
Mercedes SLK 280

Fuel Economy / Emissions

BMW Z4 Roadster M40i
Mercedes SLK 280
Fuel Economy
40 mpg
combined
30 mpg
BMW Z4 Roadster M40i
40 mpg
30 mpg
Mercedes SLK 280
31 mpg
city
22 mpg
No data
motorway
40 mpg
Kraftstoffanzeige
52 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
455 mi
Range
468 mi
BMW Z4 Roadster M40i
455 mi
468 mi
Mercedes SLK 280
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).
176.2 kWh
BMW Z4 Roadster M40i
134.5 kWh
176.2 kWh
Mercedes SLK 280
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
191 g/km (WLTP)
CO2 Emissions
222 g/km (NEFZ)

Practical Convenience

BMW Z4 Roadster M40i
Mercedes SLK 280
2
Doors
2
2
No. of Seats
2
250 kg
Maximum Payload
295 kg
281 L
Boot Capacity
300 L
No data
Boot Capacity (Seats Down)
No data