2007 Cadillac XLR vs. 2004 Porsche 911
To start off, 2007 Cadillac XLR is newer by 3 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), 2007 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (415 HP @ 6000 RPM) has 95 more horse power than 2007 Cadillac XLR. (320 HP @ 6400 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2007 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 80 kg more than 2007 Cadillac XLR. 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 2007 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, 2004 Porsche 911 (563 Nm @ 2700 RPM) has 143 more torque (in Nm) than 2007 Cadillac XLR. (420 Nm @ 4400 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac XLR.
Compare all specifications:
| 2007 Cadillac XLR | 2004 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | XLR | 911 |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Convertible |
| 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 | 415 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 420 Nm | 563 Nm |
| Torque RPM | 4400 RPM | 2700 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 84.1 mm | 76 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 305 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 4.6 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1655 kg | 1735 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 Overall | 11.9 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
