2005 Cadillac XLR vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Cadillac XLR. In addition, the cost of maintenance, including insurance, on 2005 Cadillac XLR would be higher. At 4,564 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 28 more horse power than 2005 Cadillac XLR. (322 HP @ 6400 RPM) In normal driving conditions, 2009 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 124 kg more than 2009 Porsche 911.
Because 2009 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, 2009 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 (420 Nm @ 4000 RPM) has 20 more torque (in Nm) than 2009 Porsche 911. (400 Nm @ 4600 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche 911. 2005 Cadillac XLR has automatic transmission and 2009 Porsche 911 has manual transmission. 2009 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Cadillac XLR | 2009 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | XLR | 911 |
| Year Released | 2005 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4564 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 350 HP |
| Engine RPM | 6400 RPM | 6600 RPM |
| Torque | 420 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 93 mm | 96 mm |
| Engine Stroke Size | 84 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 288 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 4.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1654 kg | 1530 kg |
| Vehicle Length | 4520 mm | 4430 mm |
| Vehicle Width | 1840 mm | 1310 mm |
| Vehicle Height | 1290 mm | 1860 mm |
| Wheelbase Size | 2690 mm | 2360 mm |
| Fuel Tank Capacity | 68 L | 67 L |
