The Comparative Analysis :
Mercedes C 180 BlueEFFICIENCY Coupé 7G-TRONIC PLUS (11 - 12) vs. BMW 420i Coupé (17 - ..)
€ 35,800

€ 41,300

€ 35,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Mercedes C 180 BlueEFFICIENCY Coupé is 1.9 inches shorter, 2.2 inches narrower and 1.1 inches taller than the BMW 420i Coupé.
Mercedes C 180 BlueEFFICIENCY Coupé
BMW 420i Coupé
55.4
69.7
78.6
54.2
71.9
79.4
69.7 in
Width
71.9 in
78.6 in
Width Incl. Mirrors
79.4 in
55.4 in
Height
54.2 in
108.7
180.7
110.6
182.6
180.7 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in
Vehicle Weight
Mercedes C 180 BlueEFFICIENCY Coupé
BMW 420i Coupé
3351 lb
Curb Weight
3417 lb
4387 lb
Gross Vehicle
Weight
Weight
4398 lb

Weight Difference:
66 lb
1.93 %

General
Mercedes C 180 BlueEFFICIENCY Coupé
BMW 420i Coupé
C204
Generation
F32
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes C 180 BlueEFFICIENCY Coupé
BMW 420i Coupé
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
Mercedes-Benz M 271
Engine Series
BMW B48
M 271.952
Engine Code
B48-B20


4
Valves
4
4
Cylinders
4
1.8 L / 88 cu in
Displacement
2 L / 98 cu in
154 hp
at 5000 rpm
Power
181 hp
at 5000 rpm
Mercedes C 180 BlueEFFICIENCY Coupé
154 hp
181 hp
BMW 420i Coupé
184 lb‑ft
at 1600 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
Mercedes C 180 BlueEFFICIENCY Coupé
184 lb‑ft
199 lb‑ft
BMW 420i Coupé
Performance
Mercedes C 180 BlueEFFICIENCY Coupé
BMW 420i Coupé
139 mph
Maximum Speed
147 mph
8.9 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
407 ft
0.000 sec

Mercedes C 180 BlueEFFICIENCY Coupé
62 mph
62
mph
mph
331 ft
0.000 sec

BMW 420i Coupé
▶ REPLAY
21.76 lb/hp
Weight-to-Power Ratio
18.88 lb/hp
Mercedes C 180 BlueEFFICIENCY Coupé
21.76 lb/hp
18.88 lb/hp
BMW 420i Coupé
Fuel Economy / Emissions
Mercedes C 180 BlueEFFICIENCY Coupé
BMW 420i Coupé
Fuel Economy
36 mpg
combined
37 mpg
Mercedes C 180 BlueEFFICIENCY Coupé
36 mpg
37 mpg
BMW 420i Coupé
27 mpg
city
29 mpg
46 mpg
highway
No data
15.6 gal
Fuel Tank Capacity
15.9 gal
564 mi
Range
583 mi
Mercedes C 180 BlueEFFICIENCY Coupé
564 mi
583 mi
BMW 420i Coupé
Environmental Impact
123.1 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).
121.2 kWh
Mercedes C 180 BlueEFFICIENCY Coupé
123.1 kWh
121.2 kWh
BMW 420i Coupé
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
241 g/mi (NEFZ)
CO2 Emissions
269 g/mi (WLTP)
Practical Convenience
Mercedes C 180 BlueEFFICIENCY Coupé
BMW 420i Coupé
2
Doors
2
4
No. of Seats
4
1036 lb
Maximum Payload
981 lb
12.7 cu ft
Trunk Volume
12.6 cu ft








No data
Cargo Volume (Seats Down)
No data