The Comparative Analysis :
Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08) vs. BMW Z4 Roadster sDrive35i (09 - 13)
€ 38,200

€ 49,300

€ 38,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 49,300
ⓘ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 DPF 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 sDrive35i.
Alfa Romeo Spider 2.4 JTDM 20V DPF
BMW Z4 Roadster sDrive35i
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 2.4 JTDM 20V DPF
BMW Z4 Roadster sDrive35i
1735 kg
Kerb Weight
1580 kg
1960 kg
Gross Vehicle
Weight
Weight
1835 kg

Weight Difference:
155 kg
8.93 %

General
Alfa Romeo Spider 2.4 JTDM 20V DPF
BMW Z4 Roadster sDrive35i
Typ 939
Generation
E89
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Super Unleaded (98 RON)

Front-wheel drive
Drive
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Alfa Romeo Spider 2.4 JTDM 20V DPF
BMW Z4 Roadster sDrive35i
Straight-five diesel engine with turbocharger
Engine Type
Straight-six petrol engine with two turbochargers (biturbo)
Engine Series
BMW N54
939 A3.000
Engine Code
N54-B30

4
Valves
4
5
Cylinders
6
2387 CC
Engine Capacity
2979 CC
197 bhp
at 4000 rpm
Power
302 bhp
at 5800 rpm
Alfa Romeo Spider 2.4 JTDM 20V DPF
197 bhp
302 bhp
BMW Z4 Roadster sDrive35i
400 NM
at 2000 rpm
Max. Torque
400 NM
at 1300 rpm
Alfa Romeo Spider 2.4 JTDM 20V DPF
400 NM
400 NM
BMW Z4 Roadster sDrive35i
Performance
Alfa Romeo Spider 2.4 JTDM 20V DPF
BMW Z4 Roadster sDrive35i
142 mph
Maximum Speed
155 mph
8.4 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
117 m
0.000 sec

Alfa Romeo Spider 2.4 JTDM 20V DPF
62 mph
62
mph
mph
72 m
0.000 sec

BMW Z4 Roadster sDrive35i
▶ REPLAY
8.81 kg/bhp
Weight-to-Power Ratio
5.23 kg/bhp
Alfa Romeo Spider 2.4 JTDM 20V DPF
8.81 kg/bhp
5.23 kg/bhp
BMW Z4 Roadster sDrive35i
Fuel Economy / Emissions
Alfa Romeo Spider 2.4 JTDM 20V DPF
BMW Z4 Roadster sDrive35i
Fuel Economy
42 mpg
combined
30 mpg
Alfa Romeo Spider 2.4 JTDM 20V DPF
42 mpg
30 mpg
BMW Z4 Roadster sDrive35i
31 mpg
city
21 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
55 L
639 mi
Range
364 mi
Alfa Romeo Spider 2.4 JTDM 20V DPF
639 mi
364 mi
BMW Z4 Roadster sDrive35i
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).
178.2 kWh
Alfa Romeo Spider 2.4 JTDM 20V DPF
139.9 kWh
178.2 kWh
BMW Z4 Roadster sDrive35i
Euro 4
Emission Standard
Euro 5
179 g/km (NEFZ)
CO2 Emissions
219 g/km (NEFZ)
Practical Convenience
Alfa Romeo Spider 2.4 JTDM 20V DPF
BMW Z4 Roadster sDrive35i
2
Doors
2
2
No. of Seats
2
225 kg
Maximum Payload
255 kg
253 L
Boot Capacity
310 L






No data
Boot Capacity (Seats Down)
No data