The Comparative Analysis :
BMW 318i Cabrio (10 - 14) vs. ALPINA D4 Bi-Turbo Cabrio Switch-Tronic (17 - 18)
€ 39,100

€ 69,500

€ 39,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,500
ⓘ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 318i Cabrio is 2.8 cm shorter, 4.3 cm narrower and 0.6 cm taller than the ALPINA D4 Bi-Turbo Cabrio.
BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
1384
1782
1985
1378
1825
2025
1782 mm
Width
1825 mm
1985 mm
Width Incl. Mirrors
2025 mm
1384 mm
Height
1378 mm
2760
4612
2810
4640
4612 mm
Length
4640 mm
2760 mm
Wheelbase
2810 mm
Vehicle Weight
BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
1670 kg
Kerb Weight
1890 kg
2025 kg
Gross Vehicle
Weight
Weight
2265 kg

Weight Difference:
220 kg
11.64 %

General
BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Diesel

Rear-wheel drive
Drive
Rear-wheel drive

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
Straight-four petrol engine (naturally aspirated engine)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
BMW N43
Engine Series
N43-B20
Engine Code
N57-D30

4
Valves
4
4
Cylinders
6
1995 CC
Engine Capacity
2993 CC
141 bhp
at 6000 rpm
Power
345 bhp
at 4000 rpm
BMW 318i Cabrio
141 bhp
345 bhp
ALPINA D4 Bi-Turbo Cabrio
190 NM
at 4250 rpm
Max. Torque
700 NM
at 1500 rpm
BMW 318i Cabrio
190 NM
700 NM
ALPINA D4 Bi-Turbo Cabrio
Performance
BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
130 mph
Maximum Speed
171 mph
10.3 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
143 m
0.000 sec

BMW 318i Cabrio
62 mph
62
mph
mph
69 m
0.000 sec

ALPINA D4 Bi-Turbo Cabrio
▶ REPLAY
11.84 kg/bhp
Weight-to-Power Ratio
5.48 kg/bhp
BMW 318i Cabrio
11.84 kg/bhp
5.48 kg/bhp
ALPINA D4 Bi-Turbo Cabrio
Fuel Economy / Emissions
BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
Fuel Economy
43 mpg
combined
48 mpg
BMW 318i Cabrio
43 mpg
48 mpg
ALPINA D4 Bi-Turbo Cabrio
34 mpg
city
43 mpg
No data
motorway
No data
63 L
Fuel Tank Capacity
60 L
593 mi
Range
632 mi
BMW 318i Cabrio
593 mi
632 mi
ALPINA D4 Bi-Turbo Cabrio
Environmental Impact
125 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).
121.3 kWh
BMW 318i Cabrio
125 kWh
121.3 kWh
ALPINA D4 Bi-Turbo Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
154 g/km (NEFZ)
CO2 Emissions
155 g/km (NEFZ)
Practical Convenience
BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
355 kg
Maximum Payload
375 kg
350 L
Boot Capacity
370 L









No data
Boot Capacity (Seats Down)
No data