2007 Cadillac STS vs. 2008 Cadillac XLR
To start off, 2008 Cadillac XLR is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2008 Cadillac XLR (320 HP @ 6400 RPM) has 65 more horse power than 2007 Cadillac STS. (255 HP @ 6500 RPM) In normal driving conditions, 2008 Cadillac XLR should accelerate faster than 2007 Cadillac STS.
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, 2008 Cadillac XLR (420 Nm @ 4400 RPM) has 78 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 2008 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2007 Cadillac STS | 2008 Cadillac XLR | |
| Make | Cadillac | Cadillac |
| Model | STS | XLR |
| Year Released | 2007 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 320 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 342 Nm | 420 Nm |
| Torque RPM | 3200 RPM | 4400 RPM |
| Engine Bore Size | 94 mm | 93 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4990 mm | 4520 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2960 mm | 2690 mm |
| Fuel Consumption | 8.7 L/100km | 9.8 L/100km |
| Fuel Consumption City | 13.1 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 64 L | 68 L |
