2005 Cadillac XLR vs. 2003 Porsche 911
To start off, 2005 Cadillac XLR is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 4,564 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (340 HP @ 6800 RPM) has 18 more horse power than 2005 Cadillac XLR. (322 HP @ 6400 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2005 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac XLR weights approximately 274 kg more than 2003 Porsche 911.
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 @ 4000 RPM) has 50 more torque (in Nm) than 2003 Porsche 911. (370 Nm @ 4800 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche 911. 2005 Cadillac XLR has automatic transmission and 2003 Porsche 911 has manual transmission. 2003 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Cadillac XLR | 2003 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | XLR | 911 |
| Year Released | 2005 | 2003 |
| 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 | 340 HP |
| Engine RPM | 6400 RPM | 6800 RPM |
| Torque | 420 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Bore Size | 93 mm | 96 mm |
| Engine Stroke Size | 84 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Top Speed | 250 km/hour | 290 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 5.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1654 kg | 1380 kg |
| Vehicle Length | 4520 mm | 4440 mm |
| Vehicle Width | 1840 mm | 1780 mm |
| Vehicle Height | 1290 mm | 1300 mm |
| Wheelbase Size | 2690 mm | 2360 mm |
| Fuel Tank Capacity | 68 L | 64 L |
