The Comparative Analysis :

BMW 318i Convertible (10 - 14) vs. ALPINA D4 Bi-Turbo Convertible Switch-Tronic (14 - 17)

€ 39,100
BMW 318i Convertible (10 - 14) BMW 318i Cabrio
€ 65,700
 ALPINA D4 Bi-Turbo Convertible Switch-Tronic (14 - 17) ALPINA D4 Bi-Turbo Cabrio
€ 39,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 65,700

ⓘ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 1.1 inches shorter, 1.7 inches narrower and 0.2 inches taller than the ALPINA D4 Bi-Turbo Cabrio.
BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
54.5
Blueprint BMW 318i Convertible (10 - 14)
70.2
78.1
54.3
Blueprint ALPINA D4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
71.9
79.7
70.2 in
Width
71.9 in
78.1 in
Width Incl. Mirrors
79.7 in
54.5 in
Height
54.3 in
Blueprint BMW 318i Convertible (10 - 14)
108.7
181.6
Blueprint ALPINA D4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
181.6 in
Length
182.7 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
3682 lb
Curb Weight
4167 lb
4464 lb
Gross Vehicle
Weight
4993 lb
BMW 318i Convertible (10 - 14)
Weight Difference:
485 lb
11.64 %
ALPINA D4 Bi-Turbo Convertible Switch-Tronic (14 - 17)

General

BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
Straight-four gasoline 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
2 L / 98 cu in
Displacement
3 L / 147 cu in
141 hp
at 6000 rpm
Power
345 hp
at 4000 rpm
BMW 318i Cabrio
141 hp
345 hp
ALPINA D4 Bi-Turbo Cabrio
140 lb‑ft
at 4250 rpm
Max. Torque
516 lb‑ft
at 1500 rpm
BMW 318i Cabrio
140 lb‑ft
516 lb‑ft
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

469 ft
0.000 sec

BMW 318i Cabrio

62 mph 62
mph

226 ft
0.000 sec

ALPINA D4 Bi-Turbo Cabrio

▶ REPLAY
26.11 lb/hp
Weight-to-Power Ratio
12.08 lb/hp
BMW 318i Cabrio
26.11 lb/hp
12.08 lb/hp
ALPINA D4 Bi-Turbo Cabrio

Fuel Economy / Emissions

BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
Fuel Economy
36 mpg
combined
40 mpg
BMW 318i Cabrio
36 mpg
40 mpg
ALPINA D4 Bi-Turbo Cabrio
28 mpg
city
36 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
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).
121.3 kWh
BMW 318i Cabrio
125 kWh
121.3 kWh
ALPINA D4 Bi-Turbo Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
248 g/mi (NEFZ)
CO2 Emissions
251 g/mi (NEFZ)

Practical Convenience

BMW 318i Cabrio
ALPINA D4 Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
827 lb
9.9 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data