2009 Cadillac XLR vs. 2007 Porsche Cayman
To start off, 2009 Cadillac XLR is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche Cayman. In addition, the cost of maintenance, including insurance, on 2007 Porsche Cayman would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2009 Cadillac XLR (322 HP @ 6450 RPM) has 77 more horse power than 2007 Porsche Cayman. (245 HP @ 6500 RPM). In normal driving conditions, 2009 Cadillac XLR should accelerate faster than 2007 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac XLR weights approximately 307 kg more than 2007 Porsche Cayman. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2009 Cadillac XLR (423 Nm @ 4400 RPM) has 150 more torque (in Nm) than 2007 Porsche Cayman. (273 Nm @ 4600 RPM). This means 2009 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche Cayman. 2009 Cadillac XLR has automatic transmission and 2007 Porsche Cayman has manual transmission. 2007 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac XLR | 2007 Porsche Cayman | |
| Make | Cadillac | Porsche |
| Model | XLR | Cayman |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4565 cc | 2686 cc |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 245 HP |
| Engine RPM | 6450 RPM | 6500 RPM |
| Torque | 423 Nm | 273 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 84 mm | 78 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 258 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1722 kg | 1415 kg |
| Vehicle Length | 4520 mm | 4350 mm |
| Vehicle Width | 1840 mm | 1310 mm |
| Vehicle Height | 1290 mm | 1810 mm |
| Wheelbase Size | 2690 mm | 2420 mm |
| Fuel Consumption Highway | 9.8 L/100km | 7.6 L/100km |
| Fuel Consumption City | 15.7 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
