The Comparative Analysis :

BMW Z4 Roadster sDrive23i (09 - 11) vs. Alfa Romeo 4C Spider (15 - 18)

€ 36,400
BMW Z4 Roadster sDrive23i (09 - 11) BMW Z4 Roadster sDrive23i
€ 72,000
 Alfa Romeo 4C Spider (15 - 18) Alfa Romeo 4C Spider
€ 36,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 72,000

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

Vehicle Dimensions

The dimensions of these vehicles differ considerably. The BMW Z4 Roadster sDrive23i is 9.8 inches longer, 2.9 inches narrower and 4.3 inches taller than the Alfa Romeo 4C Spider.
BMW Z4 Roadster sDrive23i
Alfa Romeo 4C Spider
50.8
Blueprint BMW Z4 Roadster sDrive23i (09 - 11)
70.5
76.8
46.6
Blueprint Alfa Romeo 4C Spider (15 - 18)
73.4
81.3
70.5 in
Width
73.4 in
76.8 in
Width Incl. Mirrors
81.3 in
50.8 in
Height
46.6 in
Blueprint BMW Z4 Roadster sDrive23i (09 - 11)
98.3
166.9
Blueprint Alfa Romeo 4C Spider (15 - 18)
93.7
157
166.9 in
Length
157 in
98.3 in
Wheelbase
93.7 in

Vehicle Weight

BMW Z4 Roadster sDrive23i
Alfa Romeo 4C Spider
3263 lb
Curb Weight
2238 lb
3825 lb
Gross Vehicle
Weight
2590 lb
BMW Z4 Roadster sDrive23i (09 - 11)
Weight Difference:
1025 lb
31.41 %
Alfa Romeo 4C Spider (15 - 18)

General

BMW Z4 Roadster sDrive23i
Alfa Romeo 4C Spider
E89
Generation
Typ 960
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed dual clutch transmission

Engine

BMW Z4 Roadster sDrive23i
Alfa Romeo 4C Spider
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N52
Engine Series
N52-B25
Engine Code
960 A1.000
4
Valves
4
6
Cylinders
4
2.5 L / 122 cu in
Displacement
1.7 L / 83 cu in
201 hp
at 6300 rpm
Power
238 hp
at 6000 rpm
BMW Z4 Roadster sDrive23i
201 hp
238 hp
Alfa Romeo 4C Spider
184 lb‑ft
at 2750 rpm
Max. Torque
258 lb‑ft
at 2200 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
258 lb‑ft
Alfa Romeo 4C Spider

Performance

BMW Z4 Roadster sDrive23i
Alfa Romeo 4C Spider
150 mph
Maximum Speed
160 mph
6.6 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

302 ft
0.000 sec

BMW Z4 Roadster sDrive23i

62 mph 62
mph

207 ft
0.000 sec

Alfa Romeo 4C Spider

▶ REPLAY
16.23 lb/hp
Weight-to-Power Ratio
9.4 lb/hp
BMW Z4 Roadster sDrive23i
16.23 lb/hp
9.4 lb/hp
Alfa Romeo 4C Spider

Fuel Economy / Emissions

BMW Z4 Roadster sDrive23i
Alfa Romeo 4C Spider
Fuel Economy
28 mpg
combined
34 mpg
BMW Z4 Roadster sDrive23i
28 mpg
34 mpg
Alfa Romeo 4C Spider
19 mpg
city
23 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
10.6 gal
Kraftstoffanzeige
402 mi
Range
360 mi
BMW Z4 Roadster sDrive23i
402 mi
360 mi
Alfa Romeo 4C Spider
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).
130.7 kWh
BMW Z4 Roadster sDrive23i
161.1 kWh
130.7 kWh
Alfa Romeo 4C Spider
Euro 5
Emission Standard
Euro 6b (NEFZ)
320 g/mi (NEFZ)
CO2 Emissions
259 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive23i
Alfa Romeo 4C Spider
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
353 lb
8.8 cu ft
Trunk Volume
1.1 cu ft
No data
Cargo Volume (Seats Down)
No data