The Comparative Analysis :
BMW 420d Coupé xDrive Steptronic (15 - 17) vs. Mercedes C 400 Coupé 4MATIC 9G-TRONIC (18 - ..)
€ 45,500

€ 55,800

€ 45,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 55,800
ⓘ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 420d Coupé is 1.9 inches shorter, 0.6 inches wider and 0.5 inches lower than the Mercedes C 400 Coupé.
BMW 420d Coupé
Mercedes C 400 Coupé
54.8
71.9
79.4
55.3
71.3
79.4
71.9 in
Width
71.3 in
79.4 in
Width Incl. Mirrors
79.4 in
54.8 in
Height
55.3 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 420d Coupé
Mercedes C 400 Coupé
3560 lb
Curb Weight
3792 lb
4542 lb
Gross Vehicle
Weight
Weight
4883 lb

Weight Difference:
231 lb
6.09 %

General
BMW 420d Coupé
Mercedes C 400 Coupé
F32
Generation
C205
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Mid-Grade Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
BMW 420d Coupé
Mercedes C 400 Coupé
Straight-four diesel engine with turbocharger
Engine Type
V6 gasoline engine with turbocharger
BMW B47
Engine Series
Mercedes-Benz M 276
B47-D20
Engine Code
M 276.823


4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
187 hp
at 4000 rpm
Power
328 hp
at 5250 rpm
BMW 420d Coupé
187 hp
328 hp
Mercedes C 400 Coupé
295 lb‑ft
at 1750 rpm
Max. Torque
354 lb‑ft
at 1600 rpm
BMW 420d Coupé
295 lb‑ft
354 lb‑ft
Mercedes C 400 Coupé
Performance
BMW 420d Coupé
Mercedes C 400 Coupé
142 mph
Maximum Speed
155 mph
7.2 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
328 ft
0.000 sec

BMW 420d Coupé
62 mph
62
mph
mph
223 ft
0.000 sec

Mercedes C 400 Coupé
▶ REPLAY
19.04 lb/hp
Weight-to-Power Ratio
11.56 lb/hp
BMW 420d Coupé
19.04 lb/hp
11.56 lb/hp
Mercedes C 400 Coupé
Fuel Economy / Emissions
BMW 420d Coupé
Mercedes C 400 Coupé
Fuel Economy
53 mpg
combined
30 mpg
BMW 420d Coupé
53 mpg
30 mpg
Mercedes C 400 Coupé
45 mpg
city
21 mpg
No data
highway
39 mpg
15.1 gal
Fuel Tank Capacity
17.4 gal
805 mi
Range
519 mi
BMW 420d Coupé
805 mi
519 mi
Mercedes C 400 Coupé
Environmental Impact
90.4 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).
149.7 kWh
BMW 420d Coupé
90.4 kWh
149.7 kWh
Mercedes C 400 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP
188 g/mi (NEFZ)
CO2 Emissions
311 g/mi (WLTP)
Practical Convenience
BMW 420d Coupé
Mercedes C 400 Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
1091 lb
12.6 cu ft
Trunk Volume
10.8 cu ft







No data
Cargo Volume (Seats Down)
No data