2006 Cadillac XLR vs. 2003 Porsche 911
To start off, 2006 Cadillac XLR is newer by 3 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 4,572 cc (8 cylinders), 2006 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 123 more horse power than 2006 Cadillac XLR. (320 HP @ 6400 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2006 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche 911 weights approximately 4 kg more than 2006 Cadillac XLR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac XLR. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Porsche 911 (621 Nm @ 2700 RPM) has 201 more torque (in Nm) than 2006 Cadillac XLR. (420 Nm @ 4400 RPM). This means 2003 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac XLR.
Compare all specifications:
| 2006 Cadillac XLR | 2003 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | XLR | 911 |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4572 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 320 HP | 443 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 420 Nm | 621 Nm |
| Torque RPM | 4400 RPM | 2700 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 84 mm | 76.4 mm |
| Top Speed | 250 km/hour | 307 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 4.3 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1656 kg | 1660 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 Consumption | 9.4 L/100km | 9.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
