The Comparative Analysis :
BMW 420i Coupé xDrive Steptronic (16 - 17) vs. ALPINA B3 GT3 Coupé Switch-Tronic (12 - 13)
€ 42,200
€ 89,900
€ 42,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 89,900
ⓘ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 420i Coupé is 1.5 cm longer, 4.3 cm wider and 0.3 cm lower than the ALPINA B3 GT3 Coupé.
BMW 420i Coupé
ALPINA B3 GT3 Coupé
1392
1825
2017
1395
1782
1982
1825 mm
Width
1782 mm
2017 mm
Width Incl. Mirrors
1982 mm
1392 mm
Height
1395 mm
2810
4638
2760
4623
4638 mm
Length
4623 mm
2810 mm
Wheelbase
2760 mm
Vehicle Weight
BMW 420i Coupé
ALPINA B3 GT3 Coupé
1645 kg
Kerb Weight
1610 kg
2090 kg
Gross Vehicle
Weight
Weight
2040 kg
Weight Difference:
35 kg
2.13 %
General
BMW 420i Coupé
ALPINA B3 GT3 Coupé
F32
Generation
E92
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 420i Coupé
ALPINA B3 GT3 Coupé
Straight-four petrol engine with turbocharger
Engine Type
Straight-six petrol engine with two turbochargers (biturbo)
BMW B48
Engine Series
B48-B20
Engine Code
N54-K30
4
Valves
4
4
Cylinders
6
1997 CC
Engine Capacity
2979 CC
181 bhp
at 5000 rpm
Power
402 bhp
at 6000 rpm
BMW 420i Coupé
181 bhp
402 bhp
ALPINA B3 GT3 Coupé
270 NM
at 1350 rpm
Max. Torque
540 NM
at 4500 rpm
BMW 420i Coupé
270 NM
540 NM
ALPINA B3 GT3 Coupé
Performance
BMW 420i Coupé
ALPINA B3 GT3 Coupé
144 mph
Maximum Speed
186 mph
7.8 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
108 m
0.000 sec
BMW 420i Coupé
62 mph
62
mph
mph
63 m
0.000 sec
ALPINA B3 GT3 Coupé
▶ REPLAY
9.09 kg/bhp
Weight-to-Power Ratio
4 kg/bhp
BMW 420i Coupé
9.09 kg/bhp
4 kg/bhp
ALPINA B3 GT3 Coupé
Fuel Economy / Emissions
BMW 420i Coupé
ALPINA B3 GT3 Coupé
Fuel Economy
48 mpg
combined
29 mpg
BMW 420i Coupé
48 mpg
29 mpg
ALPINA B3 GT3 Coupé
37 mpg
city
21 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
63 L
632 mi
Range
408 mi
BMW 420i Coupé
632 mi
408 mi
ALPINA B3 GT3 Coupé
Environmental Impact
111.8 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).
181.9 kWh
BMW 420i Coupé
111.8 kWh
181.9 kWh
ALPINA B3 GT3 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
137 g/km (NEFZ)
CO2 Emissions
224 g/km (NEFZ)
Practical Convenience
BMW 420i Coupé
ALPINA B3 GT3 Coupé
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
430 kg
445 L
Boot Capacity
430 L
No data
Boot Capacity (Seats Down)
No data
