The Comparative Analysis :
Alfa Romeo Spider 2.0 JTDM 16V (09 - 10) vs. BMW Z4 Roadster sDrive28i (11 - 13)
€ 35,900
€ 43,600
€ 35,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Alfa Romeo Spider 2.0 JTDM 16V 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 sDrive28i.
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive28i
51.9
72
80.1
50.8
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
99.5
173
98.3
166.9
173 in
Length
166.9 in
99.5 in
Wheelbase
98.3 in
Vehicle Weight
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive28i
3560 lb
Curb Weight
3252 lb
4167 lb
Gross Vehicle
Weight
Weight
3814 lb
Weight Difference:
309 lb
8.68 %
General
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive28i
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 manual transmission
Engine
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive28i
Straight-five diesel engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
Engine Series
BMW N20
939 B3.000
Engine Code
N20-B20
4
Valves
4
5
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
168 hp
at 4000 rpm
Power
242 hp
at 5000 rpm
Alfa Romeo Spider 2.0 JTDM 16V
168 hp
242 hp
BMW Z4 Roadster sDrive28i
266 lb‑ft
at 1750 rpm
Max. Torque
258 lb‑ft
at 1250 rpm
Alfa Romeo Spider 2.0 JTDM 16V
266 lb‑ft
258 lb‑ft
BMW Z4 Roadster sDrive28i
Performance
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive28i
135 mph
Maximum Speed
155 mph
9 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
410 ft
0.000 sec
Alfa Romeo Spider 2.0 JTDM 16V
62 mph
62
mph
mph
259 ft
0.000 sec
BMW Z4 Roadster sDrive28i
▶ REPLAY
21.19 lb/hp
Weight-to-Power Ratio
13.44 lb/hp
Alfa Romeo Spider 2.0 JTDM 16V
21.19 lb/hp
13.44 lb/hp
BMW Z4 Roadster sDrive28i
Fuel Economy / Emissions
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive28i
Fuel Economy
44 mpg
combined
35 mpg
Alfa Romeo Spider 2.0 JTDM 16V
44 mpg
35 mpg
BMW Z4 Roadster sDrive28i
33 mpg
city
26 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
14.5 gal
805 mi
Range
503 mi
Alfa Romeo Spider 2.0 JTDM 16V
805 mi
503 mi
BMW Z4 Roadster sDrive28i
Environmental Impact
111 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).
128.7 kWh
Alfa Romeo Spider 2.0 JTDM 16V
111 kWh
128.7 kWh
BMW Z4 Roadster sDrive28i
Euro 5
Emission Standard
Euro 5
229 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster sDrive28i
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
