The Comparative Analysis :

Alfa Romeo Spider 2.4 JTDM 20V (08 - 10) vs. BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)

€ 38,400
Alfa Romeo Spider 2.4 JTDM 20V (08 - 10) Alfa Romeo Spider 2.4 JTDM 20V
€ 45,800
 BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) BMW Z4 Roadster sDrive30i
€ 38,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 45,800

ⓘ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 6.1 inches longer, 1.6 inches wider and 1.1 inches taller than the BMW Z4 Roadster sDrive30i.
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive30i
51.9
Blueprint Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)
72
80.1
50.8
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
70.5
76.8
72 in
Width
70.5 in
80.1 in
Width Incl. Mirrors
76.8 in
51.9 in
Height
50.8 in
Blueprint Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)
99.5
173
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
98.3
166.9
173 in
Length
166.9 in
99.5 in
Wheelbase
98.3 in

Vehicle Weight

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive30i
3770 lb
Curb Weight
3318 lb
4376 lb
Gross Vehicle
Weight
3880 lb
Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)
Weight Difference:
452 lb
11.99 %
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)

General

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive30i
Typ 939
Generation
E89
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Premium Unleaded
Front-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed automatic transmission

Engine

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive30i
Straight-five diesel engine with tur­bo­charger
Engine Type
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Series
BMW N52
939 A3.000
Engine Code
N52-B30
4
Valves
4
5
Cylinders
6
2.4 L / 117 cu in
Displacement
3 L / 147 cu in
206 hp
at 4000 rpm
Power
254 hp
at 6600 rpm
Alfa Romeo Spider 2.4 JTDM 20V
206 hp
254 hp
BMW Z4 Roadster sDrive30i
295 lb‑ft
at 1500 rpm
Max. Torque
229 lb‑ft
at 2600 rpm
Alfa Romeo Spider 2.4 JTDM 20V
295 lb‑ft
229 lb‑ft
BMW Z4 Roadster sDrive30i

Performance

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive30i
144 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph 62
mph

371 ft
0.000 sec

Alfa Romeo Spider 2.4 JTDM 20V

62 mph 62
mph

279 ft
0.000 sec

BMW Z4 Roadster sDrive30i

▶ REPLAY
18.3 lb/hp
Weight-to-Power Ratio
13.06 lb/hp
Alfa Romeo Spider 2.4 JTDM 20V
18.3 lb/hp
13.06 lb/hp
BMW Z4 Roadster sDrive30i

Fuel Economy / Emissions

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive30i
Fuel Economy
35 mpg
combined
28 mpg
Alfa Romeo Spider 2.4 JTDM 20V
35 mpg
28 mpg
BMW Z4 Roadster sDrive30i
26 mpg
city
20 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
639 mi
Range
412 mi
Alfa Romeo Spider 2.4 JTDM 20V
639 mi
412 mi
BMW Z4 Roadster sDrive30i
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).
157.2 kWh
Alfa Romeo Spider 2.4 JTDM 20V
139.9 kWh
157.2 kWh
BMW Z4 Roadster sDrive30i
Euro 4
Emission Standard
Euro 5
288 g/mi (NEFZ)
CO2 Emissions
314 g/mi (NEFZ)

Practical Convenience

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive30i
2
Doors
2
2
No. of Seats
2
606 lb
Maximum Payload
562 lb
7.2 cu ft
Trunk Volume
8.8 cu ft
No data
Cargo Volume (Seats Down)
No data