The Comparative Analysis :

BMW Z4 Roadster sDrive30i (09 - 11) vs. Alfa Romeo Spider 2.2 JTS 16V Selespeed (07 - 10)

€ 43,400
BMW Z4 Roadster sDrive30i (09 - 11) BMW Z4 Roadster sDrive30i
€ 34,900
Alfa Romeo Spider 2.2 JTS 16V Selespeed (07 - 10) Alfa Romeo Spider 2.2 JTS 16V
€ 43,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 34,900

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

Vehicle Dimensions

The BMW Z4 Roadster sDrive30i 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 2.2 JTS 16V.
BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 2.2 JTS 16V
50.8
Blueprint BMW Z4 Roadster sDrive30i (09 - 11)
70.5
76.8
51.9
Blueprint Alfa Romeo Spider 2.2 JTS 16V Selespeed (07 - 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 sDrive30i (09 - 11)
98.3
166.9
Blueprint Alfa Romeo Spider 2.2 JTS 16V Selespeed (07 - 10)
99.5
173
166.9 in
Length
173 in
98.3 in
Wheelbase
99.5 in

Vehicle Weight

BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 2.2 JTS 16V
3285 lb
Curb Weight
3483 lb
3847 lb
Gross Vehicle
Weight
4090 lb
BMW Z4 Roadster sDrive30i (09 - 11)
Weight Difference:
198 lb
5.68 %
Alfa Romeo Spider 2.2 JTS 16V Selespeed (07 - 10)

General

BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 2.2 JTS 16V
E89
Generation
Typ 939
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Front-wheel drive
6-speed manual transmission
Transmission
6-speed automated manual transmission (AMT)

Engine

BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 2.2 JTS 16V
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N52
Engine Series
N52-B30
Engine Code
939 A5.000
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2.2 L / 108 cu in
254 hp
at 6600 rpm
Power
182 hp
at 6500 rpm
BMW Z4 Roadster sDrive30i
254 hp
182 hp
Alfa Romeo Spider 2.2 JTS 16V
229 lb‑ft
at 2600 rpm
Max. Torque
170 lb‑ft
at 4500 rpm
BMW Z4 Roadster sDrive30i
229 lb‑ft
170 lb‑ft
Alfa Romeo Spider 2.2 JTS 16V

Performance

BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 2.2 JTS 16V
155 mph
Maximum Speed
139 mph
5.8 sec
Acceleration 0 to 62 mph
8.8 sec
62 mph 62
mph

266 ft
0.000 sec

BMW Z4 Roadster sDrive30i

62 mph 62
mph

400 ft
0.000 sec

Alfa Romeo Spider 2.2 JTS 16V

 REPLAY
12.93 lb/hp
Weight-to-Power Ratio
19.14 lb/hp
BMW Z4 Roadster sDrive30i
12.93 lb/hp
19.14 lb/hp
Alfa Romeo Spider 2.2 JTS 16V

Fuel Economy / Emissions

BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 2.2 JTS 16V
Fuel Economy
28 mpg
combined
26 mpg
BMW Z4 Roadster sDrive30i
28 mpg
26 mpg
Alfa Romeo Spider 2.2 JTS 16V
19 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
402 mi
Range
478 mi
BMW Z4 Roadster sDrive30i
402 mi
478 mi
Alfa Romeo Spider 2.2 JTS 16V
Environmental Impact
161.1 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).
172.4 kWh
BMW Z4 Roadster sDrive30i
161.1 kWh
172.4 kWh
Alfa Romeo Spider 2.2 JTS 16V
Euro 5
Emission Standard
Euro 4
320 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 2.2 JTS 16V
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