The Comparative Analysis :

BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) vs. ALPINA Roadster S (03 - 05)

€ 43,300
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) BMW Z4 Roadster sDrive20i
€ 55,000
 ALPINA Roadster S (03 - 05) ALPINA Roadster S
€ 43,300
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 BMW Z4 Roadster sDrive20i is considerably bigger in every dimension. It's 9.2 inches longer, 3.3 inches wider and 0.4 inches taller than the ALPINA Roadster S.
BMW Z4 Roadster sDrive20i
ALPINA Roadster S
51.3
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
73.4
79.7
51
Blueprint ALPINA Roadster S (03 - 05)
70.1
78
73.4 in
Width
70.1 in
79.7 in
Width Incl. Mirrors
78 in
51.3 in
Height
51 in
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
97.2
170.2
Blueprint ALPINA Roadster S (03 - 05)
98.2
161.1
170.2 in
Length
161.1 in
97.2 in
Wheelbase
98.2 in

Vehicle Weight

BMW Z4 Roadster sDrive20i
ALPINA Roadster S
3296 lb
Curb Weight
2910 lb
3836 lb
Gross Vehicle
Weight
3571 lb
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
Weight Difference:
386 lb
11.71 %
ALPINA Roadster S (03 - 05)

General

BMW Z4 Roadster sDrive20i
ALPINA Roadster S
G29
Generation
E85
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic 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 B48
Engine Series
B48-B20
Engine Code
E5/1
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3.3 L / 161 cu in
194 hp
at 4500 rpm
Power
296 hp
at 6300 rpm
BMW Z4 Roadster sDrive20i
194 hp
296 hp
ALPINA Roadster S
236 lb‑ft
at 1450 rpm
Max. Torque
267 lb‑ft
at 4800 rpm
BMW Z4 Roadster sDrive20i
236 lb‑ft
267 lb‑ft
ALPINA Roadster S

Performance

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

302 ft
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

243 ft
0.000 sec

ALPINA Roadster S

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

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
ALPINA Roadster S
Fuel Economy
39 mpg
combined
24 mpg
BMW Z4 Roadster sDrive20i
39 mpg
24 mpg
ALPINA Roadster S
32 mpg
city
15 mpg
No data
highway
No data
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
529 mi
Range
345 mi
BMW Z4 Roadster sDrive20i
529 mi
345 mi
ALPINA Roadster S
Environmental Impact
115.6 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
115.6 kWh
187.5 kWh
ALPINA Roadster S
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 4
269 g/mi (WLTP)
CO2 Emissions
383 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive20i
ALPINA Roadster S
2
Doors
2
2
No. of Seats
2
540 lb
Maximum Payload
661 lb
8 cu ft
Trunk Volume
7.4 cu ft
No data
Cargo Volume (Seats Down)
No data