The Comparative Analysis :
BMW Z4 Roadster sDrive28i (13 - 16) vs. Alfa Romeo Spider 2.2 JTS 16V (07 - 10)
€ 44,300

€ 33,800

€ 44,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 33,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW Z4 Roadster sDrive28i 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 sDrive28i
Alfa Romeo Spider 2.2 JTS 16V
50.8
70.5
76.8
51.9
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
98.3
166.9
99.5
173
166.9 in
Length
173 in
98.3 in
Wheelbase
99.5 in
Vehicle Weight
BMW Z4 Roadster sDrive28i
Alfa Romeo Spider 2.2 JTS 16V
3252 lb
Curb Weight
3483 lb
3814 lb
Gross Vehicle
Weight
Weight
4090 lb

Weight Difference:
231 lb
6.63 %

General
BMW Z4 Roadster sDrive28i
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 manual transmission
Engine
BMW Z4 Roadster sDrive28i
Alfa Romeo Spider 2.2 JTS 16V
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW N20
Engine Series
N20-B20
Engine Code
939 A5.000

4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2.2 L / 108 cu in
242 hp
at 5000 rpm
Power
182 hp
at 6500 rpm
BMW Z4 Roadster sDrive28i
242 hp
182 hp
Alfa Romeo Spider 2.2 JTS 16V
258 lb‑ft
at 1250 rpm
Max. Torque
170 lb‑ft
at 4500 rpm
BMW Z4 Roadster sDrive28i
258 lb‑ft
170 lb‑ft
Alfa Romeo Spider 2.2 JTS 16V
Performance
BMW Z4 Roadster sDrive28i
Alfa Romeo Spider 2.2 JTS 16V
155 mph
Maximum Speed
139 mph
5.7 sec
Acceleration 0 to 62 mph
8.8 sec
62 mph
62
mph
mph
259 ft
0.000 sec

BMW Z4 Roadster sDrive28i
62 mph
62
mph
mph
400 ft
0.000 sec

Alfa Romeo Spider 2.2 JTS 16V
▶ REPLAY
13.44 lb/hp
Weight-to-Power Ratio
19.14 lb/hp
BMW Z4 Roadster sDrive28i
13.44 lb/hp
19.14 lb/hp
Alfa Romeo Spider 2.2 JTS 16V
Fuel Economy / Emissions
BMW Z4 Roadster sDrive28i
Alfa Romeo Spider 2.2 JTS 16V
Fuel Economy
35 mpg
combined
26 mpg
BMW Z4 Roadster sDrive28i
35 mpg
26 mpg
Alfa Romeo Spider 2.2 JTS 16V
26 mpg
city
18 mpg
No data
highway
No data
14.5 gal
Fuel Tank Capacity
18.5 gal
503 mi
Range
473 mi
BMW Z4 Roadster sDrive28i
503 mi
473 mi
Alfa Romeo Spider 2.2 JTS 16V
Environmental Impact
128.7 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).
174.3 kWh
BMW Z4 Roadster sDrive28i
128.7 kWh
174.3 kWh
Alfa Romeo Spider 2.2 JTS 16V
Euro 6b (NEFZ)
Emission Standard
Euro 4
256 g/mi (NEFZ)
CO2 Emissions
351 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive28i
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