The Comparative Analysis :
Mercedes SLK 55 AMG Black Series 7G-TRONIC (06 - 08) vs. BMW 420i Coupé xDrive Steptronic (16 - 17)
€ 107,300
€ 42,200
€ 107,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLK 55 AMG Black Series is significantly smaller in every dimension. It's 55.1 cm shorter, 3.1 cm narrower and 12.1 cm lower than the BMW 420i Coupé.
Mercedes SLK 55 AMG Black Series
BMW 420i Coupé
1271
1794
1994
1392
1825
2017
1794 mm
Width
1825 mm
1994 mm
Width Incl. Mirrors
2017 mm
1271 mm
Height
1392 mm
2430
4087
2810
4638
4087 mm
Length
4638 mm
2430 mm
Wheelbase
2810 mm
Vehicle Weight
Mercedes SLK 55 AMG Black Series
BMW 420i Coupé
1495 kg
Kerb Weight
1645 kg
1790 kg
Gross Vehicle
Weight
Weight
2090 kg
Weight Difference:
150 kg
9.12 %
General
Mercedes SLK 55 AMG Black Series
BMW 420i Coupé
R171
Generation
F32
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes SLK 55 AMG Black Series
BMW 420i Coupé
V8 petrol engine (naturally aspirated engine)
Engine Type
Straight-four petrol engine with turbocharger
Mercedes-Benz M 113
Engine Series
BMW B48
M 113.989
Engine Code
B48-B20


3
Valves
4
8
Cylinders
4
5439 CC
Engine Capacity
1997 CC
395 bhp
at 5750 rpm
Power
181 bhp
at 5000 rpm
Mercedes SLK 55 AMG Black Series
395 bhp
181 bhp
BMW 420i Coupé
520 NM
at 3750 rpm
Max. Torque
270 NM
at 1350 rpm
Mercedes SLK 55 AMG Black Series
520 NM
270 NM
BMW 420i Coupé
Performance
Mercedes SLK 55 AMG Black Series
BMW 420i Coupé
174 mph
Maximum Speed
144 mph
4.5 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
63 m
0.000 sec
Mercedes SLK 55 AMG Black Series
62 mph
62
mph
mph
108 m
0.000 sec
BMW 420i Coupé
▶ REPLAY
3.78 kg/bhp
Weight-to-Power Ratio
9.09 kg/bhp
Mercedes SLK 55 AMG Black Series
3.78 kg/bhp
9.09 kg/bhp
BMW 420i Coupé
Fuel Economy / Emissions
Mercedes SLK 55 AMG Black Series
BMW 420i Coupé
Fuel Economy
23 mpg
combined
48 mpg
Mercedes SLK 55 AMG Black Series
23 mpg
48 mpg
BMW 420i Coupé
16 mpg
city
37 mpg
32 mpg
motorway
No data
70 L
Fuel Tank Capacity
60 L
357 mi
Range
632 mi
Mercedes SLK 55 AMG Black Series
357 mi
632 mi
BMW 420i Coupé
Environmental Impact
231.1 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).
111.8 kWh
Mercedes SLK 55 AMG Black Series
231.1 kWh
111.8 kWh
BMW 420i Coupé
Euro 4
Emission Standard
Euro 6b (NEFZ)
293 g/km (NEFZ)
CO2 Emissions
137 g/km (NEFZ)
Practical Convenience
Mercedes SLK 55 AMG Black Series
BMW 420i Coupé
2
Doors
2
2
No. of Seats
4
295 kg
Maximum Payload
445 kg
300 L
Boot Capacity
445 L








No data
Boot Capacity (Seats Down)
No data
















