Cadillac XLR (2005 – 2007) vs Porsche 911 GT3 RS (2006 – 2009): specs compared
The Cadillac XLR is the more powerful of the two, with up to 449 hp against 415 hp. The Porsche 911 GT3 RS is quicker, reaching 100 km/h in 4.2 s against 5.0 s. It has the higher top speed: 311 km/h against 250 km/h. It is the lighter car, from 1,395 kg against 1,730 kg. At 4,514 mm, the Cadillac XLR is 54 mm longer than the Porsche 911 GT3 RS.
| Specification |
Cadillac
XLR
2005 – 2007
|
Porsche
911 GT3 RS
2006 – 2009
|
|---|---|---|
| Overview | ||
| Origin | United States | Germany |
| Documented years | 2005 – 2007 | 2006 – 2009 |
| Body style | — | — |
| Variants | 1 | 1 |
| Fuel | Petrol | Petrol |
| Drive | RWD | RWD |
| Gearbox | Automatic | Manual |
| Performance | ||
| Power | 449 hp | 415 hp |
| Torque | 561 Nm | 405 Nm |
| 0–100 km/h | 5.0 s | 4.2 s |
| Top speed | 250 km/h | 311 km/h |
| Economy | ||
| Fuel economy | — | 12.8 L/100 km |
| Dimensions | ||
| Length | 4,514 mm | 4,460 mm |
| Width | 1,836 mm | 1,852 mm |
| Height | 1,280 mm | 1,280 mm |
| Wheelbase | 2,685 mm | 2,360 mm |
| Curb weight | 1,730 kg | 1,395 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

