2005 Cadillac XLR vs. 2005 Porsche 911
To start off, both 2005 Cadillac XLR and 2005 Porsche 911 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,564 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 6000 RPM) has 123 more horse power than 2005 Cadillac XLR. (322 HP @ 6400 RPM) In normal driving conditions, 2005 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 64 kg more than 2005 Porsche 911.
Let's talk about torque, 2005 Porsche 911 (620 Nm) has 200 more torque (in Nm) than 2005 Cadillac XLR. (420 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac XLR.
Compare all specifications:
| 2005 Cadillac XLR | 2005 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | XLR | 911 |
| Year Released | 2005 | 2005 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4564 cc | 3605 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 445 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 420 Nm | 620 Nm |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 84 mm | 76 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1654 kg | 1590 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 | 68 L | 63 L |
