The Comparative Analysis :
ALPINA D4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. Mercedes C 400 Convertible 4MATIC 9G-TRONIC (16 - 18)
€ 65,700

€ 60,300

€ 65,700
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 dimensions of these vehicles differ a little. The ALPINA D4 Bi-Turbo Cabrio is 1.8 inches shorter, 0.6 inches wider and 1.2 inches lower than the Mercedes C 400 Convertible.
ALPINA D4 Bi-Turbo Cabrio
Mercedes C 400 Convertible
54.3
71.9
79.7
55.5
71.3
79.4
71.9 in
Width
71.3 in
79.7 in
Width Incl. Mirrors
79.4 in
54.3 in
Height
55.5 in
110.6
182.7
111.8
184.5
182.7 in
Length
184.5 in
110.6 in
Wheelbase
111.8 in
Vehicle Weight
ALPINA D4 Bi-Turbo Cabrio
Mercedes C 400 Convertible
4167 lb
Curb Weight
3979 lb
4993 lb
Gross Vehicle
Weight
Weight
5038 lb

Weight Difference:
187 lb
4.49 %

General
ALPINA D4 Bi-Turbo Cabrio
Mercedes C 400 Convertible
F33
Generation
A205
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Mid-Grade Unleaded

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

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
ALPINA D4 Bi-Turbo Cabrio
Mercedes C 400 Convertible
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 276
N57-D30
Engine Code
M 276.823

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
345 hp
at 4000 rpm
Power
328 hp
at 5250 rpm
ALPINA D4 Bi-Turbo Cabrio
345 hp
328 hp
Mercedes C 400 Convertible
516 lb‑ft
at 1500 rpm
Max. Torque
354 lb‑ft
at 1600 rpm
ALPINA D4 Bi-Turbo Cabrio
516 lb‑ft
354 lb‑ft
Mercedes C 400 Convertible
Performance
ALPINA D4 Bi-Turbo Cabrio
Mercedes C 400 Convertible
171 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
226 ft
0.000 sec

ALPINA D4 Bi-Turbo Cabrio
62 mph
62
mph
mph
236 ft
0.000 sec

Mercedes C 400 Convertible
▶ REPLAY
12.08 lb/hp
Weight-to-Power Ratio
12.13 lb/hp
ALPINA D4 Bi-Turbo Cabrio
12.08 lb/hp
12.13 lb/hp
Mercedes C 400 Convertible
Fuel Economy / Emissions
ALPINA D4 Bi-Turbo Cabrio
Mercedes C 400 Convertible
Fuel Economy
40 mpg
combined
29 mpg
ALPINA D4 Bi-Turbo Cabrio
40 mpg
29 mpg
Mercedes C 400 Convertible
36 mpg
city
22 mpg
No data
highway
37 mpg
15.9 gal
Fuel Tank Capacity
17.4 gal
632 mi
Range
513 mi
ALPINA D4 Bi-Turbo Cabrio
632 mi
513 mi
Mercedes C 400 Convertible
Environmental Impact
121.3 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
ALPINA D4 Bi-Turbo Cabrio
121.3 kWh
151.6 kWh
Mercedes C 400 Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
251 g/mi (NEFZ)
CO2 Emissions
291 g/mi (NEFZ)
Practical Convenience
ALPINA D4 Bi-Turbo Cabrio
Mercedes C 400 Convertible
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
1058 lb
10.5 cu ft
Trunk Volume
10.2 cu ft









No data
Cargo Volume (Seats Down)
No data