The Comparative Analysis :
Alfa Romeo Spider 2.4 JTDM 20V (08 - 10) vs. BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)
€ 38,400
![Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)](graphbase/cars/cars_big_png/Alfa_Romeo_Spider.png)
€ 57,300
![BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)](graphbase/cars/cars_big/BMW_Z4_E89.webp)
€ 38,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 57,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Alfa Romeo Spider 2.4 JTDM 20V is considerably bigger in every dimension. It's 5.9 inches longer, 1.6 inches wider and 1.3 inches taller than the BMW Z4 Roadster sDrive35is.
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive35is
51.9
72
80.1
50.6
70.5
76.8
72 in
Width
70.5 in
80.1 in
Width Incl. Mirrors
76.8 in
51.9 in
Height
50.6 in
99.5
173
98.3
167.1
173 in
Length
167.1 in
99.5 in
Wheelbase
98.3 in
Vehicle Weight
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive35is
3770 lb
Curb Weight
3527 lb
4376 lb
Gross Vehicle
Weight
Weight
4090 lb
![Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)](graphbase/cars/cars_big_png/Alfa_Romeo_Spider.png)
Weight Difference:
243 lb
6.45 %
![BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)](graphbase/cars/cars_big_png/BMW_Z4_E89.png)
General
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive35is
Typ 939
Generation
E89
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Premium Unleaded
![](graphbase/drivetrain/FWD.png)
Front-wheel drive
Drivetrain
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive35is
Straight-five diesel engine with turbocharger
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Series
BMW N54
939 A3.000
Engine Code
N54-B30
![](graphbase/engines/BMW_N54.png)
4
Valves
4
5
Cylinders
6
2.4 L / 117 cu in
Displacement
3 L / 147 cu in
206 hp
at 4000 rpm
Power
335 hp
at 5900 rpm
Alfa Romeo Spider 2.4 JTDM 20V
206 hp
335 hp
BMW Z4 Roadster sDrive35is
295 lb‑ft
at 1500 rpm
Max. Torque
332 lb‑ft
at 1500 rpm
Alfa Romeo Spider 2.4 JTDM 20V
295 lb‑ft
332 lb‑ft
BMW Z4 Roadster sDrive35is
Performance
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive35is
144 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
371 ft
0.000 sec
![](graphbase/cars/cars_small_png/Alfa_Romeo_Spider.png)
Alfa Romeo Spider 2.4 JTDM 20V
62 mph
62
mph
mph
220 ft
0.000 sec
![](graphbase/cars/cars_small_png/BMW_Z4_E89.png)
BMW Z4 Roadster sDrive35is
▶ REPLAY
18.3 lb/hp
Weight-to-Power Ratio
10.53 lb/hp
Alfa Romeo Spider 2.4 JTDM 20V
18.3 lb/hp
10.53 lb/hp
BMW Z4 Roadster sDrive35is
Fuel Economy / Emissions
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive35is
Fuel Economy
35 mpg
combined
26 mpg
Alfa Romeo Spider 2.4 JTDM 20V
35 mpg
26 mpg
BMW Z4 Roadster sDrive35is
26 mpg
city
19 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
14.5 gal
639 mi
Range
380 mi
Alfa Romeo Spider 2.4 JTDM 20V
639 mi
380 mi
BMW Z4 Roadster sDrive35is
Environmental Impact
139.9 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).
170.4 kWh
Alfa Romeo Spider 2.4 JTDM 20V
139.9 kWh
170.4 kWh
BMW Z4 Roadster sDrive35is
Euro 4
Emission Standard
Euro 5
288 g/mi (NEFZ)
CO2 Emissions
338 g/mi (NEFZ)
Practical Convenience
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive35is
2
Doors
2
2
No. of Seats
2
606 lb
Maximum Payload
562 lb
7.2 cu ft
Trunk Volume
8.8 cu ft
![](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
Cargo Volume (Seats Down)
No data