The Comparative Analysis :
BMW Z4 Roadster sDrive35i (09 - 13) vs. ALPINA Roadster S (03 - 05)
€ 49,300
€ 55,000
€ 49,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 55,000
ⓘ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 Z4 Roadster sDrive35i is 5.8 inches longer, 0.4 inches wider and 0.2 inches lower than the ALPINA Roadster S.
BMW Z4 Roadster sDrive35i
ALPINA Roadster S
50.8
70.5
76.8
51
70.1
78
70.5 in
Width
70.1 in
76.8 in
Width Incl. Mirrors
78 in
50.8 in
Height
51 in
98.3
166.9
98.2
161.1
166.9 in
Length
161.1 in
98.3 in
Wheelbase
98.2 in
Vehicle Weight
BMW Z4 Roadster sDrive35i
ALPINA Roadster S
3483 lb
Curb Weight
2910 lb
4045 lb
Gross Vehicle
Weight
Weight
3571 lb
Weight Difference:
573 lb
16.45 %
General
BMW Z4 Roadster sDrive35i
ALPINA Roadster S
E89
Generation
E85
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive35i
ALPINA Roadster S
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
BMW N54
Engine Series
N54-B30
Engine Code
E5/1
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.3 L / 161 cu in
302 hp
at 5800 rpm
Power
296 hp
at 6300 rpm
BMW Z4 Roadster sDrive35i
302 hp
296 hp
ALPINA Roadster S
295 lb‑ft
at 1300 rpm
Max. Torque
267 lb‑ft
at 4800 rpm
BMW Z4 Roadster sDrive35i
295 lb‑ft
267 lb‑ft
ALPINA Roadster S
Performance
BMW Z4 Roadster sDrive35i
ALPINA Roadster S
155 mph
Maximum Speed
165 mph
5.2 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
236 ft
0.000 sec
BMW Z4 Roadster sDrive35i
62 mph
62
mph
mph
243 ft
0.000 sec
ALPINA Roadster S
▶ REPLAY
11.53 lb/hp
Weight-to-Power Ratio
9.83 lb/hp
BMW Z4 Roadster sDrive35i
11.53 lb/hp
9.83 lb/hp
ALPINA Roadster S
Fuel Economy / Emissions
BMW Z4 Roadster sDrive35i
ALPINA Roadster S
Fuel Economy
25 mpg
combined
24 mpg
BMW Z4 Roadster sDrive35i
25 mpg
24 mpg
ALPINA Roadster S
17 mpg
city
15 mpg
No data
highway
No data
14.5 gal
Fuel Tank Capacity
14.5 gal
364 mi
Range
345 mi
BMW Z4 Roadster sDrive35i
364 mi
345 mi
ALPINA Roadster S
Environmental Impact
178.2 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).
187.5 kWh
BMW Z4 Roadster sDrive35i
178.2 kWh
187.5 kWh
ALPINA Roadster S
Euro 5
Emission Standard
Euro 4
352 g/mi (NEFZ)
CO2 Emissions
383 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive35i
ALPINA Roadster S
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
661 lb
8.8 cu ft
Trunk Volume
7.4 cu ft
No data
Cargo Volume (Seats Down)
No data
