The Comparative Analysis :
BMW 420d Coupé xDrive Steptronic (13 - 15) vs. ALPINA B3 S Bi-Turbo Coupé AWD Switch-Tronic (10 - 13)
€ 44,200

€ 66,300

€ 44,200
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 420d Coupé is 0.6 inches longer, 1.7 inches wider and 0.7 inches lower than the ALPINA B3 S Bi-Turbo Coupé.
BMW 420d Coupé
ALPINA B3 S Bi-Turbo Coupé
54.8
71.9
79.4
55.5
70.2
78
71.9 in
Width
70.2 in
79.4 in
Width Incl. Mirrors
78 in
54.8 in
Height
55.5 in
110.6
182.6
108.7
182
182.6 in
Length
182 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
BMW 420d Coupé
ALPINA B3 S Bi-Turbo Coupé
3560 lb
Curb Weight
3847 lb
4542 lb
Gross Vehicle
Weight
Weight
4740 lb

Weight Difference:
287 lb
7.46 %

General
BMW 420d Coupé
ALPINA B3 S Bi-Turbo Coupé
F32
Generation
E92
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 420d Coupé
ALPINA B3 S Bi-Turbo Coupé
Straight-four diesel engine with turbocharger
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW N47
Engine Series
N47-D20
Engine Code
N54-K30

4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
181 hp
at 4000 rpm
Power
395 hp
at 6000 rpm
BMW 420d Coupé
181 hp
395 hp
ALPINA B3 S Bi-Turbo Coupé
280 lb‑ft
at 1750 rpm
Max. Torque
398 lb‑ft
at 4500 rpm
BMW 420d Coupé
280 lb‑ft
398 lb‑ft
ALPINA B3 S Bi-Turbo Coupé
Performance
BMW 420d Coupé
ALPINA B3 S Bi-Turbo Coupé
142 mph
Maximum Speed
183 mph
7.3 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
331 ft
0.000 sec

BMW 420d Coupé
62 mph
62
mph
mph
213 ft
0.000 sec

ALPINA B3 S Bi-Turbo Coupé
▶ REPLAY
19.67 lb/hp
Weight-to-Power Ratio
9.74 lb/hp
BMW 420d Coupé
19.67 lb/hp
9.74 lb/hp
ALPINA B3 S Bi-Turbo Coupé
Fuel Economy / Emissions
BMW 420d Coupé
ALPINA B3 S Bi-Turbo Coupé
Fuel Economy
50 mpg
combined
24 mpg
BMW 420d Coupé
50 mpg
24 mpg
ALPINA B3 S Bi-Turbo Coupé
42 mpg
city
17 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
16.6 gal
754 mi
Range
391 mi
BMW 420d Coupé
754 mi
391 mi
ALPINA B3 S Bi-Turbo Coupé
Environmental Impact
96.7 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).
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 420d Coupé
96.7 kWh
189.4 kWh
ALPINA B3 S Bi-Turbo Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
200 g/mi (NEFZ)
CO2 Emissions
373 g/mi (NEFZ)
Practical Convenience
BMW 420d 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