2005 Cadillac XLR vs. 2004 Porsche 911
To start off, 2005 Cadillac XLR is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 4,564 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2005 Cadillac XLR (322 HP @ 6400 RPM) has 6 more horse power than 2004 Porsche 911. (316 HP @ 8000 RPM). In normal driving conditions, 2005 Cadillac XLR should accelerate faster than 2004 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac XLR weights approximately 239 kg more than 2004 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Cadillac XLR (420 Nm) has 50 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2005 Cadillac XLR | 2004 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | XLR | 911 |
| Year Released | 2005 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4564 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 316 HP |
| Engine RPM | 6400 RPM | 8000 RPM |
| Torque | 420 Nm | 370 Nm |
| Engine Bore Size | 93 mm | 96 mm |
| Engine Stroke Size | 84 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1654 kg | 1415 kg |
| Vehicle Length | 4520 mm | 4440 mm |
| Vehicle Width | 1840 mm | 1780 mm |
| Vehicle Height | 1290 mm | 1310 mm |
| Wheelbase Size | 2690 mm | 2360 mm |
| Fuel Tank Capacity | 68 L | 64 L |
