The Comparative Analysis :

BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13) vs. Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08)

€ 51,700
BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13) BMW Z4 Roadster sDrive35i
€ 38,200
 Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08) Alfa Romeo Spider 2.4 JTDM 20V DPF
€ 51,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,200

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW Z4 Roadster sDrive35i is considerably smaller in every dimension. It's 15.4 cm shorter, 4 cm narrower and 2.7 cm lower than the Alfa Romeo Spider 2.4 JTDM 20V DPF.
BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V DPF
1291
Blueprint BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13)
1790
1951
1318
Blueprint Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08)
1830
2035
1790 mm
Width
1830 mm
1951 mm
Width Incl. Mirrors
2035 mm
1291 mm
Height
1318 mm
Blueprint BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13)
2496
4239
Blueprint Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08)
2528
4393
4239 mm
Length
4393 mm
2496 mm
Wheelbase
2528 mm

Vehicle Weight

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V DPF
1600 kg
Kerb Weight
1735 kg
1855 kg
Gross Vehicle
Weight
1960 kg
BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13)
Weight Difference:
135 kg
7.78 %
Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08)

General

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V DPF
E89
Generation
Typ 939
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Diesel
Rear-wheel drive
Drive
Front-wheel drive
7-speed dual clutch transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V DPF
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-five diesel engine with tur­bo­charger
BMW N54
Engine Series
N54-B30
Engine Code
939 A3.000
4
Valves
4
6
Cylinders
5
2979 CC
Engine Capacity
2387 CC
302 bhp
at 5800 rpm
Power
197 bhp
at 4000 rpm
BMW Z4 Roadster sDrive35i
302 bhp
197 bhp
Alfa Romeo Spider 2.4 JTDM 20V DPF
400 NM
at 1300 rpm
Max. Torque
400 NM
at 2000 rpm
BMW Z4 Roadster sDrive35i
400 NM
400 NM
Alfa Romeo Spider 2.4 JTDM 20V DPF

Performance

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V DPF
155 mph
Maximum Speed
142 mph
5.1 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph 62
mph

71 m
0.000 sec

BMW Z4 Roadster sDrive35i

62 mph 62
mph

117 m
0.000 sec

Alfa Romeo Spider 2.4 JTDM 20V DPF

▶ REPLAY
5.3 kg/bhp
Weight-to-Power Ratio
8.81 kg/bhp
BMW Z4 Roadster sDrive35i
5.3 kg/bhp
8.81 kg/bhp
Alfa Romeo Spider 2.4 JTDM 20V DPF

Fuel Economy / Emissions

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V DPF
Fuel Economy
31 mpg
combined
42 mpg
BMW Z4 Roadster sDrive35i
31 mpg
42 mpg
Alfa Romeo Spider 2.4 JTDM 20V DPF
22 mpg
city
31 mpg
No data
motorway
No data
Kraftstoffanzeige
55 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
380 mi
Range
639 mi
BMW Z4 Roadster sDrive35i
380 mi
639 mi
Alfa Romeo Spider 2.4 JTDM 20V DPF
Environmental Impact
170.4 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).
139.9 kWh
BMW Z4 Roadster sDrive35i
170.4 kWh
139.9 kWh
Alfa Romeo Spider 2.4 JTDM 20V DPF
Euro 5
Emission Standard
Euro 4
210 g/km (NEFZ)
CO2 Emissions
179 g/km (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V DPF
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
225 kg
310 L
Boot Capacity
253 L
No data
Boot Capacity (Seats Down)
No data