The Comparative Analysis :
Mercedes C 180 Convertible (16 - 18) vs. BMW M3 Convertible (01 - 06)
€ 42,700
€ 63,800
€ 42,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 63,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes C 180 Convertible is considerably bigger in every dimension. It's 7.6 inches longer, 1.2 inches wider and 1.5 inches taller than the BMW M3 Cabrio.
Mercedes C 180 Convertible
BMW M3 Cabrio
55.5
71.3
79.4
54
70.1
78
71.3 in
Width
70.1 in
79.4 in
Width Incl. Mirrors
78 in
55.5 in
Height
54 in
111.8
184.5
107.5
176.9
184.5 in
Length
176.9 in
111.8 in
Wheelbase
107.5 in
Vehicle Weight
Mercedes C 180 Convertible
BMW M3 Cabrio
3527 lb
Curb Weight
3814 lb
4586 lb
Gross Vehicle
Weight
Weight
4630 lb
Weight Difference:
287 lb
7.52 %
General
Mercedes C 180 Convertible
BMW M3 Cabrio
A205
Generation
E46
Convertible
Car Body Style
Convertible
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Mercedes C 180 Convertible
BMW M3 Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Mercedes-Benz M 274
Engine Series
BMW S54
M 274.910
Engine Code
S54-B32
4
Valves
4
4
Cylinders
6
1.6 L / 78 cu in
Displacement
3.2 L / 157 cu in
154 hp
at 5300 rpm
Power
338 hp
at 7900 rpm
Mercedes C 180 Convertible
154 hp
338 hp
BMW M3 Cabrio
184 lb‑ft
at 1200 rpm
Max. Torque
269 lb‑ft
at 4900 rpm
Mercedes C 180 Convertible
184 lb‑ft
269 lb‑ft
BMW M3 Cabrio
Performance
Mercedes C 180 Convertible
BMW M3 Cabrio
138 mph
Maximum Speed
155 mph
8.9 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
407 ft
0.000 sec
Mercedes C 180 Convertible
62 mph
62
mph
mph
249 ft
0.000 sec
BMW M3 Cabrio
▶ REPLAY
22.9 lb/hp
Weight-to-Power Ratio
11.28 lb/hp
Mercedes C 180 Convertible
22.9 lb/hp
11.28 lb/hp
BMW M3 Cabrio
Fuel Economy / Emissions
Mercedes C 180 Convertible
BMW M3 Cabrio
Fuel Economy
39 mpg
combined
17 mpg
Mercedes C 180 Convertible
39 mpg
17 mpg
BMW M3 Cabrio
31 mpg
city
11 mpg
46 mpg
highway
No data
10.8 gal
Fuel Tank Capacity
16.6 gal
424 mi
Range
288 mi
Mercedes C 180 Convertible
424 mi
288 mi
BMW M3 Cabrio
Environmental Impact
113.6 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).
257.7 kWh
Mercedes C 180 Convertible
113.6 kWh
257.7 kWh
BMW M3 Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
217 g/mi (NEFZ)
CO2 Emissions
528 g/mi (NEFZ)
Practical Convenience
Mercedes C 180 Convertible
BMW M3 Cabrio
2
Doors
2
4
No. of Seats
4
1058 lb
Maximum Payload
816 lb
10.2 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data
