The Comparative Analysis :

BMW Z4 Roadster sDrive35i M DKG (13 - 16) vs. Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)

€ 52,000
BMW Z4 Roadster sDrive35i M DKG (13 - 16) BMW Z4 Roadster sDrive35i
€ 38,400
Alfa Romeo Spider 2.4 JTDM 20V (08 - 10) Alfa Romeo Spider 2.4 JTDM 20V
€ 52,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,400

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 6.1 inches shorter, 1.6 inches narrower and 1.1 inches lower than the Alfa Romeo Spider 2.4 JTDM 20V.
BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V
50.8
Blueprint BMW Z4 Roadster sDrive35i M DKG (13 - 16)
70.5
76.8
51.9
Blueprint Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)
72
80.1
70.5 in
Width
72 in
76.8 in
Width Incl. Mirrors
80.1 in
50.8 in
Height
51.9 in
Blueprint BMW Z4 Roadster sDrive35i M DKG (13 - 16)
98.3
166.9
Blueprint Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)
99.5
173
166.9 in
Length
173 in
98.3 in
Wheelbase
99.5 in

Vehicle Weight

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V
3527 lb
Curb Weight
3770 lb
4090 lb
Gross Vehicle
Weight
4376 lb
BMW Z4 Roadster sDrive35i M DKG (13 - 16)
Weight Difference:
243 lb
6.45 %
Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)

General

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V
E89
Generation
Typ 939
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
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
Straight-six gasoline 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
3 L / 147 cu in
Displacement
2.4 L / 117 cu in
302 hp
at 5800 rpm
Power
206 hp
at 4000 rpm
BMW Z4 Roadster sDrive35i
302 hp
206 hp
Alfa Romeo Spider 2.4 JTDM 20V
295 lb‑ft
at 1300 rpm
Max. Torque
295 lb‑ft
at 1500 rpm
BMW Z4 Roadster sDrive35i
295 lb‑ft
295 lb‑ft
Alfa Romeo Spider 2.4 JTDM 20V

Performance

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

233 ft
0.000 sec

BMW Z4 Roadster sDrive35i

62 mph 62
mph

371 ft
0.000 sec

Alfa Romeo Spider 2.4 JTDM 20V

 REPLAY
11.68 lb/hp
Weight-to-Power Ratio
18.3 lb/hp
BMW Z4 Roadster sDrive35i
11.68 lb/hp
18.3 lb/hp
Alfa Romeo Spider 2.4 JTDM 20V

Fuel Economy / Emissions

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V
Fuel Economy
26 mpg
combined
35 mpg
BMW Z4 Roadster sDrive35i
26 mpg
35 mpg
Alfa Romeo Spider 2.4 JTDM 20V
19 mpg
city
26 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
380 mi
Range
639 mi
BMW Z4 Roadster sDrive35i
380 mi
639 mi
Alfa Romeo Spider 2.4 JTDM 20V
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
Euro 5
Emission Standard
Euro 4
338 g/mi (NEFZ)
CO2 Emissions
288 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive35i
Alfa Romeo Spider 2.4 JTDM 20V
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
606 lb
8.8 cu ft
Trunk Volume
7.2 cu ft
No data
Cargo Volume (Seats Down)
No data