2007 Cadillac XLR vs. 2006 Cadillac STS
To start off, 2007 Cadillac XLR is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2007 Cadillac XLR (320 HP @ 6400 RPM) has 67 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM). In normal driving conditions, 2007 Cadillac XLR should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 128 kg more than 2007 Cadillac XLR.
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, 2007 Cadillac XLR (420 Nm @ 4400 RPM) has 78 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2007 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2007 Cadillac XLR | 2006 Cadillac STS | |
| Make | Cadillac | Cadillac |
| Model | XLR | STS |
| Year Released | 2007 | 2006 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3563 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 253 HP |
| Engine RPM | 6400 RPM | 6500 RPM |
| Torque | 420 Nm | 342 Nm |
| Torque RPM | 4400 RPM | 3200 RPM |
| Engine Bore Size | 93.1 mm | 94 mm |
| Engine Stroke Size | 84.1 mm | 85.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5.9 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1654 kg | 1782 kg |
| Vehicle Length | 4520 mm | 4990 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1290 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2960 mm |
| Fuel Consumption Overall | 12.3 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 68 L | 66 L |
