The Comparative Analysis :

BMW M3 Convertible M DKG (08 - 13) vs. ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)

€ 79,100
BMW M3 Convertible M DKG (08 - 13) BMW M3 Cabrio
€ 75,900
 ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 79,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 75,900

ⓘ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 M3 Cabrio is an inch shorter, 0.8 inches narrower and 0.5 inches taller than the ALPINA B4 Bi-Turbo Cabrio.
BMW M3 Cabrio
ALPINA B4 Bi-Turbo Cabrio
54.8
Blueprint BMW M3 Convertible M DKG (08 - 13)
71
77.8
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
71.9
79.7
71 in
Width
71.9 in
77.8 in
Width Incl. Mirrors
79.7 in
54.8 in
Height
54.3 in
Blueprint BMW M3 Convertible M DKG (08 - 13)
108.7
181.7
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
181.7 in
Length
182.7 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

BMW M3 Cabrio
ALPINA B4 Bi-Turbo Cabrio
4200 lb
Curb Weight
4222 lb
5027 lb
Gross Vehicle
Weight
5071 lb
BMW M3 Convertible M DKG (08 - 13)
Weight Difference:
22 lb
0.52 %
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)

General

BMW M3 Cabrio
ALPINA B4 Bi-Turbo Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
8-speed automatic transmission

Engine

BMW M3 Cabrio
ALPINA B4 Bi-Turbo Cabrio
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW S65
Engine Series
S65-B40
Engine Code
N55-R20
4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
414 hp
at 8300 rpm
Power
404 hp
at 5500 rpm
BMW M3 Cabrio
414 hp
404 hp
ALPINA B4 Bi-Turbo Cabrio
295 lb‑ft
at 3900 rpm
Max. Torque
443 lb‑ft
at 3000 rpm
BMW M3 Cabrio
295 lb‑ft
443 lb‑ft
ALPINA B4 Bi-Turbo Cabrio

Performance

BMW M3 Cabrio
ALPINA B4 Bi-Turbo Cabrio
155 mph
Maximum Speed
187 mph
5.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

233 ft
0.000 sec

BMW M3 Cabrio

62 mph 62
mph

207 ft
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

▶ REPLAY
10.14 lb/hp
Weight-to-Power Ratio
10.45 lb/hp
BMW M3 Cabrio
10.14 lb/hp
10.45 lb/hp
ALPINA B4 Bi-Turbo Cabrio

Fuel Economy / Emissions

BMW M3 Cabrio
ALPINA B4 Bi-Turbo Cabrio
Fuel Economy
19 mpg
combined
29 mpg
BMW M3 Cabrio
19 mpg
29 mpg
ALPINA B4 Bi-Turbo Cabrio
14 mpg
city
22 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
318 mi
Range
466 mi
BMW M3 Cabrio
318 mi
466 mi
ALPINA B4 Bi-Turbo Cabrio
Environmental Impact
233 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).
151.6 kWh
BMW M3 Cabrio
233 kWh
151.6 kWh
ALPINA B4 Bi-Turbo Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
472 g/mi (NEFZ)
CO2 Emissions
299 g/mi (NEFZ)

Practical Convenience

BMW M3 Cabrio
ALPINA B4 Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
849 lb
9.9 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data