The Comparative Analysis :

BMW 420i Coupé Steptronic (16 - 17) vs. ALPINA B3 S Bi-Turbo Coupé AWD Switch-Tronic (10 - 13)

€ 39,700
BMW 420i Coupé Steptronic (16 - 17) BMW 420i Coupé
€ 66,300
 ALPINA B3 S Bi-Turbo Coupé AWD Switch-Tronic (10 - 13) ALPINA B3 S Bi-Turbo Coupé
€ 39,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 66,300

ⓘ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 0.6 inches longer, 1.7 inches wider and 1.3 inches lower than the ALPINA B3 S Bi-Turbo Coupé.
BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
54.2
Blueprint BMW 420i Coupé Steptronic (16 - 17)
71.9
79.4
55.5
Blueprint ALPINA B3 S Bi-Turbo Coupé AWD Switch-Tronic (10 - 13)
70.2
78
71.9 in
Width
70.2 in
79.4 in
Width Incl. Mirrors
78 in
54.2 in
Height
55.5 in
Blueprint BMW 420i Coupé Steptronic (16 - 17)
110.6
182.6
Blueprint ALPINA B3 S Bi-Turbo Coupé AWD Switch-Tronic (10 - 13)
108.7
182
182.6 in
Length
182 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
3461 lb
Curb Weight
3847 lb
4442 lb
Gross Vehicle
Weight
4740 lb
BMW 420i Coupé Steptronic (16 - 17)
Weight Difference:
386 lb
10.03 %
ALPINA B3 S Bi-Turbo Coupé AWD Switch-Tronic (10 - 13)

General

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

Engine

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

Performance

BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
147 mph
Maximum Speed
183 mph
7.5 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph 62
mph

341 ft
0.000 sec

BMW 420i Coupé

62 mph 62
mph

213 ft
0.000 sec

ALPINA B3 S Bi-Turbo Coupé

▶ REPLAY
19.12 lb/hp
Weight-to-Power Ratio
9.74 lb/hp
BMW 420i Coupé
19.12 lb/hp
9.74 lb/hp
ALPINA B3 S Bi-Turbo Coupé

Fuel Economy / Emissions

BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
Fuel Economy
43 mpg
combined
24 mpg
BMW 420i Coupé
43 mpg
24 mpg
ALPINA B3 S Bi-Turbo Coupé
33 mpg
city
17 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
678 mi
Range
391 mi
BMW 420i Coupé
678 mi
391 mi
ALPINA B3 S Bi-Turbo Coupé
Environmental Impact
104.1 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).
189.4 kWh
BMW 420i Coupé
104.1 kWh
189.4 kWh
ALPINA B3 S Bi-Turbo Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
204 g/mi (NEFZ)
CO2 Emissions
373 g/mi (NEFZ)

Practical Convenience

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