The Comparative Analysis :

ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. BMW 318i Convertible (10 - 14)

€ 75,900
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 39,100
 BMW 318i Convertible (10 - 14) BMW 318i Cabrio
€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,100

ⓘ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 B4 Bi-Turbo Cabrio is 1.1 inches longer, 1.7 inches wider and 0.2 inches lower than the BMW 318i Cabrio.
ALPINA B4 Bi-Turbo Cabrio
BMW 318i Cabrio
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
71.9
79.7
54.5
Blueprint BMW 318i Convertible (10 - 14)
70.2
78.1
71.9 in
Width
70.2 in
79.7 in
Width Incl. Mirrors
78.1 in
54.3 in
Height
54.5 in
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
Blueprint BMW 318i Convertible (10 - 14)
108.7
181.6
182.7 in
Length
181.6 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

ALPINA B4 Bi-Turbo Cabrio
BMW 318i Cabrio
4222 lb
Curb Weight
3682 lb
5071 lb
Gross Vehicle
Weight
4464 lb
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
Weight Difference:
540 lb
12.79 %
BMW 318i Convertible (10 - 14)

General

ALPINA B4 Bi-Turbo Cabrio
BMW 318i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

ALPINA B4 Bi-Turbo Cabrio
BMW 318i Cabrio
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Series
BMW N43
N55-R20
Engine Code
N43-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
404 hp
at 5500 rpm
Power
141 hp
at 6000 rpm
ALPINA B4 Bi-Turbo Cabrio
404 hp
141 hp
BMW 318i Cabrio
443 lb‑ft
at 3000 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
ALPINA B4 Bi-Turbo Cabrio
443 lb‑ft
140 lb‑ft
BMW 318i Cabrio

Performance

ALPINA B4 Bi-Turbo Cabrio
BMW 318i Cabrio
187 mph
Maximum Speed
130 mph
4.5 sec
Acceleration 0 to 62 mph
10.3 sec
62 mph 62
mph

207 ft
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

62 mph 62
mph

469 ft
0.000 sec

BMW 318i Cabrio

▶ REPLAY
10.45 lb/hp
Weight-to-Power Ratio
26.11 lb/hp
ALPINA B4 Bi-Turbo Cabrio
10.45 lb/hp
26.11 lb/hp
BMW 318i Cabrio

Fuel Economy / Emissions

ALPINA B4 Bi-Turbo Cabrio
BMW 318i Cabrio
Fuel Economy
29 mpg
combined
36 mpg
ALPINA B4 Bi-Turbo Cabrio
29 mpg
36 mpg
BMW 318i Cabrio
22 mpg
city
28 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
466 mi
Range
593 mi
ALPINA B4 Bi-Turbo Cabrio
466 mi
593 mi
BMW 318i Cabrio
Environmental Impact
151.6 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).
125 kWh
ALPINA B4 Bi-Turbo Cabrio
151.6 kWh
125 kWh
BMW 318i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
299 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)

Practical Convenience

ALPINA B4 Bi-Turbo Cabrio
BMW 318i Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data