BMW Z4 Roadster (2002 – 2006) vs Alfa Romeo Spider (2003 – 2006): specs compared
The Alfa Romeo Spider is the more powerful of the two, with up to 240 hp against 231 hp. The BMW Z4 Roadster is quicker, reaching 100 km/h in 5.9 s against 6.3 s. It uses less fuel, from 6.9 L/100 km against 9.2 L/100 km. It is the lighter car, from 1,220 kg against 1,380 kg. At 4,285 mm, the Alfa Romeo Spider is 193 mm longer than the BMW Z4 Roadster.
| Specification |
BMW
Z4 Roadster
2002 – 2006
|
Alfa Romeo
Spider
2003 – 2006
|
|---|---|---|
| Overview | ||
| Origin | Germany | Italy |
| Documented years | 2002 – 2006 | 2003 – 2006 |
| Body style | Roadster · Convertible | Spider · Convertible |
| Variants | 5 | 3 |
| Fuel | Petrol | Petrol |
| Drive | RWD | FWD |
| Gearbox | Automatic · Manual | Manual |
| Performance | ||
| Power | 152 – 231 hp | 150 – 239 hp |
| Torque | 201 – 300 Nm | 181 – 289 Nm |
| 0–100 km/h | 5.9 – 8.2 s | 6.3 – 8.5 s |
| Top speed | 220 – 250 km/h | 210 – 249 km/h |
| Economy | ||
| Fuel economy | 6.9 – 9.5 L/100 km | 9.2 – 13.2 L/100 km |
| Dimensions | ||
| Length | 4,092 mm | 4,285 mm |
| Width | 1,781 mm | 1,781 mm |
| Height | 1,298 mm | 1,316 mm |
| Wheelbase | 2,494 mm | 2,540 mm |
| Curb weight | 1,220 – 1,365 kg | 1,380 – 1,445 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

