The Comparative Analysis :

ALPINA B3 GT3 Coupé Switch-Tronic (12 - 13) vs. BMW 420i Coupé Steptronic (17 - ..)

€ 89,900
ALPINA B3 GT3 Coupé Switch-Tronic (12 - 13) ALPINA B3 GT3 Coupé
€ 43,400
 BMW 420i Coupé Steptronic (17 - ..) BMW 420i Coupé
€ 89,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,400

ⓘ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 B3 GT3 Coupé is 0.6 inches shorter, 1.7 inches narrower and 0.7 inches taller than the BMW 420i Coupé.
ALPINA B3 GT3 Coupé
BMW 420i Coupé
54.9
Blueprint ALPINA B3 GT3 Coupé Switch-Tronic (12 - 13)
70.2
78
54.2
Blueprint BMW 420i Coupé Steptronic (17 - ..)
71.9
79.4
70.2 in
Width
71.9 in
78 in
Width Incl. Mirrors
79.4 in
54.9 in
Height
54.2 in
Blueprint ALPINA B3 GT3 Coupé Switch-Tronic (12 - 13)
108.7
182
Blueprint BMW 420i Coupé Steptronic (17 - ..)
110.6
182.6
182 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

ALPINA B3 GT3 Coupé
BMW 420i Coupé
3549 lb
Curb Weight
3461 lb
4497 lb
Gross Vehicle
Weight
4442 lb
ALPINA B3 GT3 Coupé Switch-Tronic (12 - 13)
Weight Difference:
88 lb
2.48 %
BMW 420i Coupé Steptronic (17 - ..)

General

ALPINA B3 GT3 Coupé
BMW 420i Coupé
E92
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

ALPINA B3 GT3 Coupé
BMW 420i Coupé
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Engine Series
BMW B48
N54-K30
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
402 hp
at 6000 rpm
Power
181 hp
at 5000 rpm
ALPINA B3 GT3 Coupé
402 hp
181 hp
BMW 420i Coupé
398 lb‑ft
at 4500 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
ALPINA B3 GT3 Coupé
398 lb‑ft
199 lb‑ft
BMW 420i Coupé

Performance

ALPINA B3 GT3 Coupé
BMW 420i Coupé
186 mph
Maximum Speed
147 mph
4.5 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph 62
mph

207 ft
0.000 sec

ALPINA B3 GT3 Coupé

62 mph 62
mph

341 ft
0.000 sec

BMW 420i Coupé

▶ REPLAY
8.83 lb/hp
Weight-to-Power Ratio
19.12 lb/hp
ALPINA B3 GT3 Coupé
8.83 lb/hp
19.12 lb/hp
BMW 420i Coupé

Fuel Economy / Emissions

ALPINA B3 GT3 Coupé
BMW 420i Coupé
Fuel Economy
25 mpg
combined
40 mpg
ALPINA B3 GT3 Coupé
25 mpg
40 mpg
BMW 420i Coupé
17 mpg
city
35 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
408 mi
Range
632 mi
ALPINA B3 GT3 Coupé
408 mi
632 mi
BMW 420i Coupé
Environmental Impact
181.9 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).
111.8 kWh
ALPINA B3 GT3 Coupé
181.9 kWh
111.8 kWh
BMW 420i Coupé
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
360 g/mi (NEFZ)
CO2 Emissions
278 g/mi (WLTP)

Practical Convenience

ALPINA B3 GT3 Coupé
BMW 420i Coupé
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
981 lb
12.2 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data