The Comparative Analysis :

BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) vs. ALPINA Roadster S (03 - 05)

€ 45,800
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) BMW Z4 Roadster sDrive30i
€ 55,000
 ALPINA Roadster S (03 - 05) ALPINA Roadster S
€ 45,800
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 sDrive30i is 5.8 inches longer, 0.4 inches wider and 0.2 inches lower than the ALPINA Roadster S.
BMW Z4 Roadster sDrive30i
ALPINA Roadster S
50.8
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
70.5
76.8
51
Blueprint ALPINA Roadster S (03 - 05)
70.1
78
70.5 in
Width
70.1 in
76.8 in
Width Incl. Mirrors
78 in
50.8 in
Height
51 in
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
98.3
166.9
Blueprint ALPINA Roadster S (03 - 05)
98.2
161.1
166.9 in
Length
161.1 in
98.3 in
Wheelbase
98.2 in

Vehicle Weight

BMW Z4 Roadster sDrive30i
ALPINA Roadster S
3318 lb
Curb Weight
2910 lb
3880 lb
Gross Vehicle
Weight
3571 lb
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
Weight Difference:
408 lb
12.3 %
ALPINA Roadster S (03 - 05)

General

BMW Z4 Roadster sDrive30i
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 automatic transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive30i
ALPINA Roadster S
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N52
Engine Series
N52-B30
Engine Code
E5/1
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.3 L / 161 cu in
254 hp
at 6600 rpm
Power
296 hp
at 6300 rpm
BMW Z4 Roadster sDrive30i
254 hp
296 hp
ALPINA Roadster S
229 lb‑ft
at 2600 rpm
Max. Torque
267 lb‑ft
at 4800 rpm
BMW Z4 Roadster sDrive30i
229 lb‑ft
267 lb‑ft
ALPINA Roadster S

Performance

BMW Z4 Roadster sDrive30i
ALPINA Roadster S
155 mph
Maximum Speed
165 mph
6.1 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph 62
mph

279 ft
0.000 sec

BMW Z4 Roadster sDrive30i

62 mph 62
mph

243 ft
0.000 sec

ALPINA Roadster S

▶ REPLAY
13.06 lb/hp
Weight-to-Power Ratio
9.83 lb/hp
BMW Z4 Roadster sDrive30i
13.06 lb/hp
9.83 lb/hp
ALPINA Roadster S

Fuel Economy / Emissions

BMW Z4 Roadster sDrive30i
ALPINA Roadster S
Fuel Economy
28 mpg
combined
24 mpg
BMW Z4 Roadster sDrive30i
28 mpg
24 mpg
ALPINA Roadster S
20 mpg
city
15 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
412 mi
Range
345 mi
BMW Z4 Roadster sDrive30i
412 mi
345 mi
ALPINA Roadster S
Environmental Impact
157.2 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).
187.5 kWh
BMW Z4 Roadster sDrive30i
157.2 kWh
187.5 kWh
ALPINA Roadster S
Euro 5
Emission Standard
Euro 4
314 g/mi (NEFZ)
CO2 Emissions
383 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive30i
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