The Comparative Analysis :
Mercedes C 300 d Coupé 9G-TRONIC (18 - ..) vs. BMW 420i Coupé Steptronic (16 - 17)
€ 47,400
€ 39,700
€ 47,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,700
ⓘ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 Mercedes C 300 d Coupé is 1.9 inches longer, 0.6 inches narrower and 1.1 inches taller than the BMW 420i Coupé.
Mercedes C 300 d Coupé
BMW 420i Coupé
55.3
71.3
79.4
54.2
71.9
79.4
71.3 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
55.3 in
Height
54.2 in
111.8
184.5
110.6
182.6
184.5 in
Length
182.6 in
111.8 in
Wheelbase
110.6 in
Vehicle Weight
Mercedes C 300 d Coupé
BMW 420i Coupé
3726 lb
Curb Weight
3461 lb
4817 lb
Gross Vehicle
Weight
Weight
4442 lb
Weight Difference:
265 lb
7.11 %
General
Mercedes C 300 d Coupé
BMW 420i Coupé
C205
Generation
F32
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes C 300 d Coupé
BMW 420i Coupé
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine with turbocharger
Mercedes-Benz OM 654
Engine Series
BMW B48
OM 654.920
Engine Code
B48-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
181 hp
at 5000 rpm
Mercedes C 300 d Coupé
242 hp
181 hp
BMW 420i Coupé
369 lb‑ft
at 1600 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
Mercedes C 300 d Coupé
369 lb‑ft
199 lb‑ft
BMW 420i Coupé
Performance
Mercedes C 300 d Coupé
BMW 420i Coupé
155 mph
Maximum Speed
147 mph
6 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph
62
mph
mph
272 ft
0.000 sec
Mercedes C 300 d Coupé
62 mph
62
mph
mph
341 ft
0.000 sec
BMW 420i Coupé
▶ REPLAY
15.4 lb/hp
Weight-to-Power Ratio
19.12 lb/hp
Mercedes C 300 d Coupé
15.4 lb/hp
19.12 lb/hp
BMW 420i Coupé
Fuel Economy / Emissions
Mercedes C 300 d Coupé
BMW 420i Coupé
Fuel Economy
46 mpg
combined
43 mpg
Mercedes C 300 d Coupé
46 mpg
43 mpg
BMW 420i Coupé
39 mpg
city
33 mpg
52 mpg
highway
No data
13.2 gal
Fuel Tank Capacity
15.9 gal
609 mi
Range
678 mi
Mercedes C 300 d Coupé
609 mi
678 mi
BMW 420i Coupé
Environmental Impact
104.9 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).
104.1 kWh
Mercedes C 300 d Coupé
104.9 kWh
104.1 kWh
BMW 420i Coupé
Euro 6d
Emission Standard
Euro 6b (NEFZ)
248 g/mi (WLTP)
CO2 Emissions
204 g/mi (NEFZ)
Practical Convenience
Mercedes C 300 d Coupé
BMW 420i Coupé
2
Doors
2
4
No. of Seats
4
1091 lb
Maximum Payload
981 lb
10.8 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data
