The Comparative Analysis :

BMW Z4 Roadster sDrive20i (13 - 16) vs. ALPINA Roadster S (03 - 05)

€ 37,300
BMW Z4 Roadster sDrive20i (13 - 16) BMW Z4 Roadster sDrive20i
€ 55,000
 ALPINA Roadster S (03 - 05) ALPINA Roadster S
€ 37,300
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 sDrive20i is 5.8 inches longer, 0.4 inches wider and 0.2 inches lower than the ALPINA Roadster S.
BMW Z4 Roadster sDrive20i
ALPINA Roadster S
50.8
Blueprint BMW Z4 Roadster sDrive20i (13 - 16)
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 sDrive20i (13 - 16)
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 sDrive20i
ALPINA Roadster S
3241 lb
Curb Weight
2910 lb
3803 lb
Gross Vehicle
Weight
3571 lb
BMW Z4 Roadster sDrive20i (13 - 16)
Weight Difference:
331 lb
10.21 %
ALPINA Roadster S (03 - 05)

General

BMW Z4 Roadster sDrive20i
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 sDrive20i
ALPINA Roadster S
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N20
Engine Series
N20-B20
Engine Code
E5/1
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3.3 L / 161 cu in
181 hp
at 5000 rpm
Power
296 hp
at 6300 rpm
BMW Z4 Roadster sDrive20i
181 hp
296 hp
ALPINA Roadster S
199 lb‑ft
at 1250 rpm
Max. Torque
267 lb‑ft
at 4800 rpm
BMW Z4 Roadster sDrive20i
199 lb‑ft
267 lb‑ft
ALPINA Roadster S

Performance

BMW Z4 Roadster sDrive20i
ALPINA Roadster S
146 mph
Maximum Speed
165 mph
6.9 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph 62
mph

315 ft
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

243 ft
0.000 sec

ALPINA Roadster S

▶ REPLAY
17.91 lb/hp
Weight-to-Power Ratio
9.83 lb/hp
BMW Z4 Roadster sDrive20i
17.91 lb/hp
9.83 lb/hp
ALPINA Roadster S

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
ALPINA Roadster S
Fuel Economy
35 mpg
combined
24 mpg
BMW Z4 Roadster sDrive20i
35 mpg
24 mpg
ALPINA Roadster S
26 mpg
city
15 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
503 mi
Range
345 mi
BMW Z4 Roadster sDrive20i
503 mi
345 mi
ALPINA Roadster S
Environmental Impact
128.7 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).
187.5 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
187.5 kWh
ALPINA Roadster S
Euro 6b (NEFZ)
Emission Standard
Euro 4
256 g/mi (NEFZ)
CO2 Emissions
383 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive20i
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