The Comparative Analysis :
BMW 320d Convertible Automatic (08 - 10) vs. Mercedes C 400 Convertible 4MATIC 9G-TRONIC (16 - 18)
€ 46,500

€ 60,300

€ 46,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 60,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 320d Cabrio is slightly smaller in every dimension. It's 4.2 inches shorter, 1.1 inches narrower and an inch lower than the Mercedes C 400 Convertible.
BMW 320d Cabrio
Mercedes C 400 Convertible
54.5
70.2
78.1
55.5
71.3
79.4
70.2 in
Width
71.3 in
78.1 in
Width Incl. Mirrors
79.4 in
54.5 in
Height
55.5 in
108.7
180.3
111.8
184.5
180.3 in
Length
184.5 in
108.7 in
Wheelbase
111.8 in
Vehicle Weight
BMW 320d Cabrio
Mercedes C 400 Convertible
3847 lb
Curb Weight
3979 lb
4630 lb
Gross Vehicle
Weight
Weight
5038 lb

Weight Difference:
132 lb
3.32 %

General
BMW 320d Cabrio
Mercedes C 400 Convertible
E93
Generation
A205
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Mid-Grade Unleaded

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

6-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
BMW 320d Cabrio
Mercedes C 400 Convertible
Straight-four diesel engine with turbocharger
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
BMW N47
Engine Series
Mercedes-Benz M 276
N47-D20
Engine Code
M 276.823


4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
175 hp
at 4000 rpm
Power
328 hp
at 5250 rpm
BMW 320d Cabrio
175 hp
328 hp
Mercedes C 400 Convertible
258 lb‑ft
at 2000 rpm
Max. Torque
354 lb‑ft
at 1600 rpm
BMW 320d Cabrio
258 lb‑ft
354 lb‑ft
Mercedes C 400 Convertible
Performance
BMW 320d Cabrio
Mercedes C 400 Convertible
139 mph
Maximum Speed
155 mph
8.7 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
397 ft
0.000 sec

BMW 320d Cabrio
62 mph
62
mph
mph
236 ft
0.000 sec

Mercedes C 400 Convertible
▶ REPLAY
21.98 lb/hp
Weight-to-Power Ratio
12.13 lb/hp
BMW 320d Cabrio
21.98 lb/hp
12.13 lb/hp
Mercedes C 400 Convertible
Fuel Economy / Emissions
BMW 320d Cabrio
Mercedes C 400 Convertible
Fuel Economy
39 mpg
combined
29 mpg
BMW 320d Cabrio
39 mpg
29 mpg
Mercedes C 400 Convertible
31 mpg
city
22 mpg
No data
highway
37 mpg
16.1 gal
Fuel Tank Capacity
17.4 gal
632 mi
Range
513 mi
BMW 320d Cabrio
632 mi
513 mi
Mercedes C 400 Convertible
Environmental Impact
123.4 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).
151.6 kWh
BMW 320d Cabrio
123.4 kWh
151.6 kWh
Mercedes C 400 Convertible
Euro 5
Emission Standard
Euro 6b (NEFZ)
253 g/mi (NEFZ)
CO2 Emissions
291 g/mi (NEFZ)
Practical Convenience
BMW 320d Cabrio
Mercedes C 400 Convertible
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
1058 lb
9.9 cu ft
Trunk Volume
10.2 cu ft








No data
Cargo Volume (Seats Down)
No data