The Comparative Analysis :

ALPINA B3 Bi-Turbo Coupé Switch-Tronic (07 - 10) vs. BMW 420i Coupé xDrive Steptronic (13 - 16)

€ 60,800
ALPINA B3 Bi-Turbo Coupé Switch-Tronic (07 - 10) ALPINA B3 Bi-Turbo Coupé
€ 41,400
 BMW 420i Coupé xDrive Steptronic (13 - 16) BMW 420i Coupé
€ 60,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,400

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ slightly. The ALPINA B3 Bi-Turbo Coupé is 2.3 inches shorter, 1.7 inches narrower and 0.1 inches taller than the BMW 420i Coupé.
ALPINA B3 Bi-Turbo Coupé
BMW 420i Coupé
54.9
Blueprint ALPINA B3 Bi-Turbo Coupé Switch-Tronic (07 - 10)
70.2
78
54.8
Blueprint BMW 420i Coupé xDrive Steptronic (13 - 16)
71.9
79.4
70.2 in
Width
71.9 in
78 in
Width Incl. Mirrors
79.4 in
54.9 in
Height
54.8 in
Blueprint ALPINA B3 Bi-Turbo Coupé Switch-Tronic (07 - 10)
108.7
180.3
Blueprint BMW 420i Coupé xDrive Steptronic (13 - 16)
110.6
182.6
180.3 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

ALPINA B3 Bi-Turbo Coupé
BMW 420i Coupé
3605 lb
Curb Weight
3538 lb
4497 lb
Gross Vehicle
Weight
4519 lb
ALPINA B3 Bi-Turbo Coupé Switch-Tronic (07 - 10)
Weight Difference:
66 lb
1.83 %
BMW 420i Coupé xDrive Steptronic (13 - 16)

General

ALPINA B3 Bi-Turbo Coupé
BMW 420i Coupé
E92
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

ALPINA B3 Bi-Turbo Coupé
BMW 420i Coupé
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Engine Series
BMW N20
N54-K20
Engine Code
N20-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
355 hp
at 5500 rpm
Power
181 hp
at 5000 rpm
ALPINA B3 Bi-Turbo Coupé
355 hp
181 hp
BMW 420i Coupé
369 lb‑ft
at 3800 rpm
Max. Torque
199 lb‑ft
at 1250 rpm
ALPINA B3 Bi-Turbo Coupé
369 lb‑ft
199 lb‑ft
BMW 420i Coupé

Performance

ALPINA B3 Bi-Turbo Coupé
BMW 420i Coupé
177 mph
Maximum Speed
144 mph
4.8 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph 62
mph

220 ft
0.000 sec

ALPINA B3 Bi-Turbo Coupé

62 mph 62
mph

341 ft
0.000 sec

BMW 420i Coupé

▶ REPLAY
10.15 lb/hp
Weight-to-Power Ratio
19.55 lb/hp
ALPINA B3 Bi-Turbo Coupé
10.15 lb/hp
19.55 lb/hp
BMW 420i Coupé

Fuel Economy / Emissions

ALPINA B3 Bi-Turbo Coupé
BMW 420i Coupé
Fuel Economy
24 mpg
combined
37 mpg
ALPINA B3 Bi-Turbo Coupé
24 mpg
37 mpg
BMW 420i Coupé
17 mpg
city
27 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
403 mi
Range
583 mi
ALPINA B3 Bi-Turbo Coupé
403 mi
583 mi
BMW 420i Coupé
Environmental Impact
183.8 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).
121.2 kWh
ALPINA B3 Bi-Turbo Coupé
183.8 kWh
121.2 kWh
BMW 420i Coupé
Euro 4
Emission Standard
Euro 6b (NEFZ)
373 g/mi (NEFZ)
CO2 Emissions
240 g/mi (NEFZ)

Practical Convenience

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