The Comparative Analysis :
BMW 420i Convertible Steptronic (17 - ..) vs. Mercedes C 300 d Convertible 9G-TRONIC (18 - ..)
€ 50,800
![BMW 420i Convertible Steptronic (17 - ..)](graphbase/cars/cars_big_png/BMW_4er_F33-17.png)
€ 53,600
![Mercedes C 300 d Convertible 9G-TRONIC (18 - ..)](graphbase/cars/cars_big/Mercedes_C_A205-18.webp)
€ 50,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 53,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The BMW 420i Cabrio is 1.9 inches shorter, 0.6 inches wider and an inch lower than the Mercedes C 300 d Convertible.
BMW 420i Cabrio
Mercedes C 300 d Convertible
54.5
71.9
79.4
55.5
71.3
79.4
71.9 in
Width
71.3 in
79.4 in
Width Incl. Mirrors
79.4 in
54.5 in
Height
55.5 in
110.6
182.6
111.8
184.5
182.6 in
Length
184.5 in
110.6 in
Wheelbase
111.8 in
Vehicle Weight
BMW 420i Cabrio
Mercedes C 300 d Convertible
3946 lb
Curb Weight
3825 lb
4817 lb
Gross Vehicle
Weight
Weight
4883 lb
![BMW 420i Convertible Steptronic (17 - ..)](graphbase/cars/cars_big_png/BMW_4er_F33-17.png)
Weight Difference:
121 lb
3.07 %
![Mercedes C 300 d Convertible 9G-TRONIC (18 - ..)](graphbase/cars/cars_big_png/Mercedes_C_A205-18.png)
General
BMW 420i Cabrio
Mercedes C 300 d Convertible
F33
Generation
A205
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
![](graphbase/drivetrain/RWD.png)
Rear-wheel drive
Drivetrain
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
BMW 420i Cabrio
Mercedes C 300 d Convertible
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
BMW B48
Engine Series
Mercedes-Benz OM 654
B48-B20
Engine Code
OM 654.920
![](graphbase/engines/BMW_B48.png)
![](graphbase/engines/Mercedes-Benz_OM_654.png)
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
242 hp
at 5000 rpm
BMW 420i Cabrio
181 hp
242 hp
Mercedes C 300 d Convertible
199 lb‑ft
at 1350 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
BMW 420i Cabrio
199 lb‑ft
369 lb‑ft
Mercedes C 300 d Convertible
Performance
BMW 420i Cabrio
Mercedes C 300 d Convertible
143 mph
Maximum Speed
155 mph
8.4 sec
Acceleration 0 to 62 mph
6.3 sec
62 mph
62
mph
mph
384 ft
0.000 sec
![](graphbase/cars/cars_small_png/BMW_4er_F33-17.png)
BMW 420i Cabrio
62 mph
62
mph
mph
289 ft
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_C_A205-18.png)
Mercedes C 300 d Convertible
▶ REPLAY
21.8 lb/hp
Weight-to-Power Ratio
15.81 lb/hp
BMW 420i Cabrio
21.8 lb/hp
15.81 lb/hp
Mercedes C 300 d Convertible
Fuel Economy / Emissions
BMW 420i Cabrio
Mercedes C 300 d Convertible
Fuel Economy
37 mpg
combined
43 mpg
BMW 420i Cabrio
37 mpg
43 mpg
Mercedes C 300 d Convertible
32 mpg
city
37 mpg
No data
highway
48 mpg
15.9 gal
Fuel Tank Capacity
13.2 gal
592 mi
Range
565 mi
BMW 420i Cabrio
592 mi
565 mi
Mercedes C 300 d Convertible
Environmental Impact
119.4 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).
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).
113.1 kWh
BMW 420i Cabrio
119.4 kWh
113.1 kWh
Mercedes C 300 d Convertible
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d
288 g/mi (WLTP)
CO2 Emissions
259 g/mi (WLTP)
Practical Convenience
BMW 420i Cabrio
Mercedes C 300 d Convertible
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
1058 lb
10.5 cu ft
Trunk Volume
10.2 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
No data
Cargo Volume (Seats Down)
No data