The Comparative Analysis :

BMW 325i Convertible Automatic (07 - 10) vs. ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)

€ 48,500
BMW 325i Convertible Automatic (07 - 10) BMW 325i Cabrio
€ 81,400
 ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18) ALPINA B4 S Bi-Turbo Cabrio
€ 48,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,400

ⓘ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 BMW 325i Cabrio is 2.4 inches shorter, 1.7 inches narrower and 0.2 inches taller than the ALPINA B4 S Bi-Turbo Cabrio.
BMW 325i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
54.5
Blueprint BMW 325i Convertible Automatic (07 - 10)
70.2
78.1
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
71.9
79.7
70.2 in
Width
71.9 in
78.1 in
Width Incl. Mirrors
79.7 in
54.5 in
Height
54.3 in
Blueprint BMW 325i Convertible Automatic (07 - 10)
108.7
180.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
110.6
182.7
180.3 in
Length
182.7 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

BMW 325i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
3880 lb
Curb Weight
4222 lb
4663 lb
Gross Vehicle
Weight
5071 lb
BMW 325i Convertible Automatic (07 - 10)
Weight Difference:
342 lb
8.1 %
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)

General

BMW 325i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

BMW 325i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N53
Engine Series
N53-B30
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
215 hp
at 6100 rpm
Power
434 hp
at 5500 rpm
BMW 325i Cabrio
215 hp
434 hp
ALPINA B4 S Bi-Turbo Cabrio
199 lb‑ft
at 2400 rpm
Max. Torque
487 lb‑ft
at 3000 rpm
BMW 325i Cabrio
199 lb‑ft
487 lb‑ft
ALPINA B4 S Bi-Turbo Cabrio

Performance

BMW 325i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
151 mph
Maximum Speed
189 mph
8.1 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

371 ft
0.000 sec

BMW 325i Cabrio

62 mph 62
mph

197 ft
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio

▶ REPLAY
18.05 lb/hp
Weight-to-Power Ratio
9.73 lb/hp
BMW 325i Cabrio
18.05 lb/hp
9.73 lb/hp
ALPINA B4 S Bi-Turbo Cabrio

Fuel Economy / Emissions

BMW 325i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
Fuel Economy
30 mpg
combined
28 mpg
BMW 325i Cabrio
30 mpg
28 mpg
ALPINA B4 S Bi-Turbo Cabrio
22 mpg
city
21 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
502 mi
Range
449 mi
BMW 325i Cabrio
502 mi
449 mi
ALPINA B4 S Bi-Turbo Cabrio
Environmental Impact
147.7 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).
157.2 kWh
BMW 325i Cabrio
147.7 kWh
157.2 kWh
ALPINA B4 S Bi-Turbo Cabrio
Euro 4
Emission Standard
Euro 6c (NEFZ)
301 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)

Practical Convenience

BMW 325i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
849 lb
9.9 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data