The Comparative Analysis :

Mercedes SLK 55 AMG 7G-TRONIC (04 - 08) vs. BMW Z4 Roadster sDrive28i Automatic (13 - 16)

€ 68,100
Mercedes SLK 55 AMG 7G-TRONIC (04 - 08) Mercedes SLK 55 AMG
€ 46,600
 BMW Z4 Roadster sDrive28i Automatic (13 - 16) BMW Z4 Roadster sDrive28i
€ 68,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,600

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

Vehicle Dimensions

The dimensions of these vehicles differ slightly. The Mercedes SLK 55 AMG is 15.2 cm shorter, 0.4 cm wider and 2 cm lower than the BMW Z4 Roadster sDrive28i.
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive28i
1271
Blueprint Mercedes SLK 55 AMG 7G-TRONIC (04 - 08)
1794
1970
1291
Blueprint BMW Z4 Roadster sDrive28i Automatic (13 - 16)
1790
1951
1794 mm
Width
1790 mm
1970 mm
Width Incl. Mirrors
1951 mm
1271 mm
Height
1291 mm
Blueprint Mercedes SLK 55 AMG 7G-TRONIC (04 - 08)
2430
4087
Blueprint BMW Z4 Roadster sDrive28i Automatic (13 - 16)
2496
4239
4087 mm
Length
4239 mm
2430 mm
Wheelbase
2496 mm

Vehicle Weight

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive28i
1540 kg
Kerb Weight
1495 kg
1850 kg
Gross Vehicle
Weight
1750 kg
Mercedes SLK 55 AMG 7G-TRONIC (04 - 08)
Weight Difference:
45 kg
2.92 %
BMW Z4 Roadster sDrive28i Automatic (13 - 16)

General

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive28i
R171
Generation
E89
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
7-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive28i
V8 petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four petrol engine with tur­bo­charger
Mercedes-Benz M 113
Engine Series
BMW N20
M 113.989
Engine Code
N20-B20
3
Valves
4
8
Cylinders
4
5439 CC
Engine Capacity
1997 CC
355 bhp
at 5750 rpm
Power
242 bhp
at 5000 rpm
Mercedes SLK 55 AMG
355 bhp
242 bhp
BMW Z4 Roadster sDrive28i
510 NM
at 4000 rpm
Max. Torque
350 NM
at 1250 rpm
Mercedes SLK 55 AMG
510 NM
350 NM
BMW Z4 Roadster sDrive28i

Performance

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive28i
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph 62
mph

68 m
0.000 sec

Mercedes SLK 55 AMG

62 mph 62
mph

79 m
0.000 sec

BMW Z4 Roadster sDrive28i

▶ REPLAY
4.34 kg/bhp
Weight-to-Power Ratio
6.18 kg/bhp
Mercedes SLK 55 AMG
4.34 kg/bhp
6.18 kg/bhp
BMW Z4 Roadster sDrive28i

Fuel Economy / Emissions

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive28i
Fuel Economy
24 mpg
combined
42 mpg
Mercedes SLK 55 AMG
24 mpg
42 mpg
BMW Z4 Roadster sDrive28i
16 mpg
city
30 mpg
32 mpg
motorway
No data
Kraftstoffanzeige
70 L
Fuel Tank Capacity
55 L
Kraftstoffanzeige
362 mi
Range
503 mi
Mercedes SLK 55 AMG
362 mi
503 mi
BMW Z4 Roadster sDrive28i
Environmental Impact
227.4 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).
128.7 kWh
Mercedes SLK 55 AMG
227.4 kWh
128.7 kWh
BMW Z4 Roadster sDrive28i
Euro 4
Emission Standard
Euro 6b (NEFZ)
288 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)

Practical Convenience

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive28i
2
Doors
2
2
No. of Seats
2
310 kg
Maximum Payload
255 kg
300 L
Boot Capacity
310 L
No data
Boot Capacity (Seats Down)
No data