The Comparative Analysis :

BMW M3 Convertible SMG (04 - 06) vs. ALPINA D4 Bi-Turbo Convertible Switch-Tronic (17 - 18)

€ 67,000
BMW M3 Convertible SMG (04 - 06) BMW M3 Cabrio
€ 69,500
 ALPINA D4 Bi-Turbo Convertible Switch-Tronic (17 - 18) ALPINA D4 Bi-Turbo Cabrio
€ 67,000
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 BMW M3 Cabrio is slightly smaller in every dimension. It's 5.8 inches shorter, 1.8 inches narrower and 0.2 inches lower than the ALPINA D4 Bi-Turbo Cabrio.
BMW M3 Cabrio
ALPINA D4 Bi-Turbo Cabrio
54
Blueprint BMW M3 Convertible SMG (04 - 06)
70.1
78
54.3
Blueprint ALPINA D4 Bi-Turbo Convertible Switch-Tronic (17 - 18)
71.9
79.7
70.1 in
Width
71.9 in
78 in
Width Incl. Mirrors
79.7 in
54 in
Height
54.3 in
Blueprint BMW M3 Convertible SMG (04 - 06)
107.5
176.9
Blueprint ALPINA D4 Bi-Turbo Convertible Switch-Tronic (17 - 18)
110.6
182.7
176.9 in
Length
182.7 in
107.5 in
Wheelbase
110.6 in

Vehicle Weight

BMW M3 Cabrio
ALPINA D4 Bi-Turbo Cabrio
3814 lb
Curb Weight
4167 lb
4630 lb
Gross Vehicle
Weight
4993 lb
BMW M3 Convertible SMG (04 - 06)
Weight Difference:
353 lb
8.47 %
ALPINA D4 Bi-Turbo Convertible Switch-Tronic (17 - 18)

General

BMW M3 Cabrio
ALPINA D4 Bi-Turbo Cabrio
E46
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automated manual transmission (AMT)
Transmission
8-speed automatic transmission

Engine

BMW M3 Cabrio
ALPINA D4 Bi-Turbo Cabrio
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
BMW S54
Engine Series
S54-B32
Engine Code
N57-D30
4
Valves
4
6
Cylinders
6
3.2 L / 157 cu in
Displacement
3 L / 147 cu in
338 hp
at 7900 rpm
Power
345 hp
at 4000 rpm
BMW M3 Cabrio
338 hp
345 hp
ALPINA D4 Bi-Turbo Cabrio
269 lb‑ft
at 4900 rpm
Max. Torque
516 lb‑ft
at 1500 rpm
BMW M3 Cabrio
269 lb‑ft
516 lb‑ft
ALPINA D4 Bi-Turbo Cabrio

Performance

BMW M3 Cabrio
ALPINA D4 Bi-Turbo Cabrio
155 mph
Maximum Speed
171 mph
5.5 sec
Acceleration 0 to 62 mph
5 sec
62 mph 62
mph

249 ft
0.000 sec

BMW M3 Cabrio

62 mph 62
mph

226 ft
0.000 sec

ALPINA D4 Bi-Turbo Cabrio

▶ REPLAY
11.28 lb/hp
Weight-to-Power Ratio
12.08 lb/hp
BMW M3 Cabrio
11.28 lb/hp
12.08 lb/hp
ALPINA D4 Bi-Turbo Cabrio

Fuel Economy / Emissions

BMW M3 Cabrio
ALPINA D4 Bi-Turbo Cabrio
Fuel Economy
17 mpg
combined
40 mpg
BMW M3 Cabrio
17 mpg
40 mpg
ALPINA D4 Bi-Turbo Cabrio
11 mpg
city
36 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
288 mi
Range
632 mi
BMW M3 Cabrio
288 mi
632 mi
ALPINA D4 Bi-Turbo Cabrio
Environmental Impact
257.7 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 M3 Cabrio
257.7 kWh
121.3 kWh
ALPINA D4 Bi-Turbo Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
528 g/mi (NEFZ)
CO2 Emissions
249 g/mi (NEFZ)

Practical Convenience

BMW M3 Cabrio
ALPINA D4 Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
816 lb
Maximum Payload
827 lb
8.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data