The Comparative Analysis :

ALPINA B3 S Coupé Switch-Tronic (03 - 06) vs. BMW 420i Coupé xDrive (17 - 18)

€ 53,200
ALPINA B3 S Coupé Switch-Tronic (03 - 06) ALPINA B3 S Coupé
€ 42,900
 BMW 420i Coupé xDrive (17 - 18) BMW 420i Coupé
€ 53,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,900

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

Vehicle Dimensions

The ALPINA B3 S Coupé is considerably smaller in every dimension. It's 5.9 inches shorter, 2.7 inches narrower and an inch lower than the BMW 420i Coupé.
ALPINA B3 S Coupé
BMW 420i Coupé
53.8
Blueprint ALPINA B3 S Coupé Switch-Tronic (03 - 06)
69.2
80.1
54.8
Blueprint BMW 420i Coupé xDrive (17 - 18)
71.9
79.4
69.2 in
Width
71.9 in
80.1 in
Width Incl. Mirrors
79.4 in
53.8 in
Height
54.8 in
Blueprint ALPINA B3 S Coupé Switch-Tronic (03 - 06)
107.3
176.7
Blueprint BMW 420i Coupé xDrive (17 - 18)
110.6
182.6
176.7 in
Length
182.6 in
107.3 in
Wheelbase
110.6 in

Vehicle Weight

ALPINA B3 S Coupé
BMW 420i Coupé
3263 lb
Curb Weight
3605 lb
4365 lb
Gross Vehicle
Weight
4586 lb
ALPINA B3 S Coupé Switch-Tronic (03 - 06)
Weight Difference:
342 lb
9.49 %
BMW 420i Coupé xDrive (17 - 18)

General

ALPINA B3 S Coupé
BMW 420i Coupé
E46
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
5-speed automatic transmission
Transmission
6-speed manual transmission

Engine

ALPINA B3 S Coupé
BMW 420i Coupé
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Engine Series
BMW B48
E5/1
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3.3 L / 161 cu in
Displacement
2 L / 98 cu in
301 hp
at 6300 rpm
Power
181 hp
at 5000 rpm
ALPINA B3 S Coupé
301 hp
181 hp
BMW 420i Coupé
267 lb‑ft
at 4500 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
ALPINA B3 S Coupé
267 lb‑ft
199 lb‑ft
BMW 420i Coupé

Performance

ALPINA B3 S Coupé
BMW 420i Coupé
165 mph
Maximum Speed
145 mph
6.3 sec
Acceleration 0 to 62 mph
7.6 sec
62 mph 62
mph

289 ft
0.000 sec

ALPINA B3 S Coupé

62 mph 62
mph

348 ft
0.000 sec

BMW 420i Coupé

▶ REPLAY
10.84 lb/hp
Weight-to-Power Ratio
19.92 lb/hp
ALPINA B3 S Coupé
10.84 lb/hp
19.92 lb/hp
BMW 420i Coupé

Fuel Economy / Emissions

ALPINA B3 S Coupé
BMW 420i Coupé
Fuel Economy
20 mpg
combined
36 mpg
ALPINA B3 S Coupé
20 mpg
36 mpg
BMW 420i Coupé
13 mpg
city
27 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
337 mi
Range
565 mi
ALPINA B3 S Coupé
337 mi
565 mi
BMW 420i Coupé
Environmental Impact
219.8 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).
125 kWh
ALPINA B3 S Coupé
219.8 kWh
125 kWh
BMW 420i Coupé
Euro 3
Emission Standard
Euro 6b (NEFZ)
447 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)

Practical Convenience

ALPINA B3 S Coupé
BMW 420i Coupé
2
Doors
2
5
No. of Seats
4
1102 lb
Maximum Payload
981 lb
11.6 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data