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 4,565 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2005 Cadillac XLR (320 HP @ 6000 RPM) has 5 more horse power than 2004 Porsche 911. (315 HP @ 6800 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 230 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.
Because 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Cadillac XLR. In wet, icy, snow, or gravel driving conditions, 2004 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, 2005 Cadillac XLR (400 Nm) has 30 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 | 4565 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 315 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 400 Nm | 370 Nm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1655 kg | 1425 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 | 9.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
