The Comparative Analysis :
BMW 420d Coupé Steptronic (13 - 15) vs. Mercedes SLK 55 AMG Black Series 7G-TRONIC (06 - 08)
€ 41,700
€ 107,300
€ 41,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 107,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 420d Coupé is significantly bigger in every dimension. It's 21.7 inches longer, 1.2 inches wider and 3.6 inches taller than the Mercedes SLK 55 AMG Black Series.
BMW 420d Coupé
Mercedes SLK 55 AMG Black Series
53.6
71.9
79.4
50
70.6
78.5
71.9 in
Width
70.6 in
79.4 in
Width Incl. Mirrors
78.5 in
53.6 in
Height
50 in
110.6
182.6
95.7
160.9
182.6 in
Length
160.9 in
110.6 in
Wheelbase
95.7 in
Vehicle Weight
BMW 420d Coupé
Mercedes SLK 55 AMG Black Series
3395 lb
Curb Weight
3296 lb
4376 lb
Gross Vehicle
Weight
Weight
3946 lb
Weight Difference:
99 lb
2.92 %
General
BMW 420d Coupé
Mercedes SLK 55 AMG Black Series
F32
Generation
R171
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 420d Coupé
Mercedes SLK 55 AMG Black Series
Straight-four diesel engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW N47
Engine Series
Mercedes-Benz M 113
N47-D20
Engine Code
M 113.989
4
Valves
3
4
Cylinders
8
2 L / 98 cu in
Displacement
5.4 L / 264 cu in
181 hp
at 4000 rpm
Power
395 hp
at 5750 rpm
BMW 420d Coupé
181 hp
395 hp
Mercedes SLK 55 AMG Black Series
280 lb‑ft
at 1750 rpm
Max. Torque
384 lb‑ft
at 3750 rpm
BMW 420d Coupé
280 lb‑ft
384 lb‑ft
Mercedes SLK 55 AMG Black Series
Performance
BMW 420d Coupé
Mercedes SLK 55 AMG Black Series
144 mph
Maximum Speed
174 mph
7.3 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
331 ft
0.000 sec
BMW 420d Coupé
62 mph
62
mph
mph
207 ft
0.000 sec
Mercedes SLK 55 AMG Black Series
▶ REPLAY
18.76 lb/hp
Weight-to-Power Ratio
8.34 lb/hp
BMW 420d Coupé
18.76 lb/hp
8.34 lb/hp
Mercedes SLK 55 AMG Black Series
Fuel Economy / Emissions
BMW 420d Coupé
Mercedes SLK 55 AMG Black Series
Fuel Economy
51 mpg
combined
19 mpg
BMW 420d Coupé
51 mpg
19 mpg
Mercedes SLK 55 AMG Black Series
44 mpg
city
13 mpg
No data
highway
27 mpg
15.1 gal
Fuel Tank Capacity
18.5 gal
770 mi
Range
357 mi
BMW 420d Coupé
770 mi
357 mi
Mercedes SLK 55 AMG Black Series
Environmental Impact
94.6 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).
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).
231.1 kWh
BMW 420d Coupé
94.6 kWh
231.1 kWh
Mercedes SLK 55 AMG Black Series
Euro 6b (NEFZ)
Emission Standard
Euro 4
195 g/mi (NEFZ)
CO2 Emissions
472 g/mi (NEFZ)
Practical Convenience
BMW 420d Coupé
Mercedes SLK 55 AMG Black Series
2
Doors
2
4
No. of Seats
2
981 lb
Maximum Payload
650 lb
12.6 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data
