2003 Cadillac XLR vs. 1999 Porsche 911
To start off, 2003 Cadillac XLR is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 4,572 cc (8 cylinders), 2003 Cadillac XLR is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6200 RPM) has 103 more horse power than 2003 Cadillac XLR. (311 HP @ 6000 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 2003 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac XLR weights approximately 55 kg more than 1999 Porsche 911.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Cadillac XLR. In wet, icy, snow, or gravel driving conditions, 1999 Porsche 911 will offer significantly more control. 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 140 more torque (in Nm) than 2003 Cadillac XLR. (420 Nm @ 4400 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Cadillac XLR. 1999 Porsche 911 has automatic transmission and 2003 Cadillac XLR has manual transmission. 2003 Cadillac XLR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Cadillac XLR | 1999 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | XLR | 911 |
| Year Released | 2003 | 1999 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4572 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 311 HP | 414 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 420 Nm | 560 Nm |
| Torque RPM | 4400 RPM | 2700 RPM |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Top Speed | 245 km/hour | 298 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 4.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1640 kg | 1585 kg |
| Vehicle Length | 4520 mm | 4440 mm |
| Vehicle Width | 1840 mm | 1840 mm |
| Vehicle Height | 1290 mm | 1300 mm |
| Wheelbase Size | 2690 mm | 2360 mm |
| Fuel Tank Capacity | 64 L | 64 L |
