The Comparative Analysis :
Alfa Romeo Spider 2.0 JTDM 16V (09 - 10) vs. BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
€ 35,900
![Alfa Romeo Spider 2.0 JTDM 16V (09 - 10)](graphbase/cars/cars_big_png/Alfa_Romeo_Spider.png)
€ 38,800
![BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)](graphbase/cars/cars_big/BMW_Z4_E89.webp)
€ 35,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Alfa Romeo Spider 2.0 JTDM 16V is considerably bigger in every dimension. It's 15.4 cm longer, 4 cm wider and 2.7 cm taller than the BMW Z4 Roadster sDrive23i.
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive23i
1318
1830
2035
1291
1790
1951
1830 mm
Width
1790 mm
2035 mm
Width Incl. Mirrors
1951 mm
1318 mm
Height
1291 mm
2528
4393
2496
4239
4393 mm
Length
4239 mm
2528 mm
Wheelbase
2496 mm
Vehicle Weight
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive23i
1615 kg
Kerb Weight
1505 kg
1890 kg
Gross Vehicle
Weight
Weight
1760 kg
![Alfa Romeo Spider 2.0 JTDM 16V (09 - 10)](graphbase/cars/cars_big_png/Alfa_Romeo_Spider.png)
Weight Difference:
110 kg
6.81 %
![BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)](graphbase/cars/cars_big_png/BMW_Z4_E89.png)
General
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive23i
Typ 939
Generation
E89
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Super Unleaded (98 RON)
![](graphbase/drivetrain/FWD.png)
Front-wheel drive
Drive
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
6-speed manual transmission
Transmission
6-speed automatic transmission
Engine
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive23i
Straight-five diesel engine with turbocharger
Engine Type
Straight-six petrol engine (naturally aspirated engine)
Engine Series
BMW N52
939 B3.000
Engine Code
N52-B25
![](graphbase/engines/BMW_N52.png)
4
Valves
4
5
Cylinders
6
1956 CC
Engine Capacity
2497 CC
168 bhp
at 4000 rpm
Power
201 bhp
at 6300 rpm
Alfa Romeo Spider 2.0 JTDM 16V
168 bhp
201 bhp
BMW Z4 Roadster sDrive23i
360 NM
at 1750 rpm
Max. Torque
250 NM
at 2750 rpm
Alfa Romeo Spider 2.0 JTDM 16V
360 NM
250 NM
BMW Z4 Roadster sDrive23i
Performance
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive23i
135 mph
Maximum Speed
149 mph
9 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
125 m
0.000 sec
![](graphbase/cars/cars_small_png/Alfa_Romeo_Spider.png)
Alfa Romeo Spider 2.0 JTDM 16V
62 mph
62
mph
mph
101 m
0.000 sec
![](graphbase/cars/cars_small_png/BMW_Z4_E89.png)
BMW Z4 Roadster sDrive23i
▶ REPLAY
9.61 kg/bhp
Weight-to-Power Ratio
7.49 kg/bhp
Alfa Romeo Spider 2.0 JTDM 16V
9.61 kg/bhp
7.49 kg/bhp
BMW Z4 Roadster sDrive23i
Fuel Economy / Emissions
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive23i
Fuel Economy
52 mpg
combined
34 mpg
Alfa Romeo Spider 2.0 JTDM 16V
52 mpg
34 mpg
BMW Z4 Roadster sDrive23i
40 mpg
city
24 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
55 L
805 mi
Range
417 mi
Alfa Romeo Spider 2.0 JTDM 16V
805 mi
417 mi
BMW Z4 Roadster sDrive23i
Environmental Impact
111 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).
155.3 kWh
Alfa Romeo Spider 2.0 JTDM 16V
111 kWh
155.3 kWh
BMW Z4 Roadster sDrive23i
Euro 5
Emission Standard
Euro 5
142 g/km (NEFZ)
CO2 Emissions
192 g/km (NEFZ)
Practical Convenience
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive23i
2
Doors
2
2
No. of Seats
2
275 kg
Maximum Payload
255 kg
253 L
Boot Capacity
310 L
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
No data
Boot Capacity (Seats Down)
No data