The Comparative Analysis :
Mercedes C 63 AMG Convertible SPEEDSHIFT MCT (16 - 18) vs. BMW 420i Convertible Steptronic (16 - 17)
€ 84,000

€ 46,900

€ 84,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes C 63 AMG Convertible is slightly bigger in every dimension. It's 4.4 inches longer, 2 inches wider and 0.6 inches taller than the BMW 420i Cabrio.
Mercedes C 63 AMG Convertible
BMW 420i Cabrio
55.1
73.9
79.4
54.5
71.9
79.4
73.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
55.1 in
Height
54.5 in
111.8
187
110.6
182.6
187 in
Length
182.6 in
111.8 in
Wheelbase
110.6 in
Vehicle Weight
Mercedes C 63 AMG Convertible
BMW 420i Cabrio
4211 lb
Curb Weight
3946 lb
5027 lb
Gross Vehicle
Weight
Weight
4817 lb

Weight Difference:
265 lb
6.29 %

General
Mercedes C 63 AMG Convertible
BMW 420i Cabrio
A205
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes C 63 AMG Convertible
BMW 420i Cabrio
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine with turbocharger
Mercedes-Benz M 177
Engine Series
BMW B48
M 177.980
Engine Code
B48-B20


4
Valves
4
8
Cylinders
4
4 L / 196 cu in
Displacement
2 L / 98 cu in
469 hp
at 5500 rpm
Power
181 hp
at 5000 rpm
Mercedes C 63 AMG Convertible
469 hp
181 hp
BMW 420i Cabrio
479 lb‑ft
at 1750 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
Mercedes C 63 AMG Convertible
479 lb‑ft
199 lb‑ft
BMW 420i Cabrio
Performance
Mercedes C 63 AMG Convertible
BMW 420i Cabrio
155 mph
Maximum Speed
143 mph
4.2 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph
62
mph
mph
190 ft
0.000 sec

Mercedes C 63 AMG Convertible
62 mph
62
mph
mph
384 ft
0.000 sec

BMW 420i Cabrio
▶ REPLAY
8.98 lb/hp
Weight-to-Power Ratio
21.8 lb/hp
Mercedes C 63 AMG Convertible
8.98 lb/hp
21.8 lb/hp
BMW 420i Cabrio
Fuel Economy / Emissions
Mercedes C 63 AMG Convertible
BMW 420i Cabrio
Fuel Economy
26 mpg
combined
41 mpg
Mercedes C 63 AMG Convertible
26 mpg
41 mpg
BMW 420i Cabrio
20 mpg
city
31 mpg
33 mpg
highway
No data
17.4 gal
Fuel Tank Capacity
15.9 gal
461 mi
Range
642 mi
Mercedes C 63 AMG Convertible
461 mi
642 mi
BMW 420i Cabrio
Environmental Impact
168.7 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).
109.9 kWh
Mercedes C 63 AMG Convertible
168.7 kWh
109.9 kWh
BMW 420i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
335 g/mi (NEFZ)
CO2 Emissions
219 g/mi (NEFZ)
Practical Convenience
Mercedes C 63 AMG Convertible
BMW 420i Cabrio
2
Doors
2
4
No. of Seats
4
816 lb
Maximum Payload
871 lb
10.1 cu ft
Trunk Volume
10.5 cu ft









No data
Cargo Volume (Seats Down)
No data