2007 Cadillac STS vs. 2006 Jaguar XK8
To start off, 2007 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Jaguar XK8. In addition, the cost of maintenance, including insurance, on 2006 Jaguar XK8 would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 26 more horse power than 2006 Jaguar XK8. (294 HP @ 6000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2006 Jaguar XK8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XK8 weights approximately 97 kg more 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 16 more torque (in Nm) than 2006 Jaguar XK8. (411 Nm @ 4000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Jaguar XK8.
Compare all specifications:
| 2007 Cadillac STS | 2006 Jaguar XK8 | |
| Make | Cadillac | Jaguar |
| Model | STS | XK8 |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 294 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 427 Nm | 411 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 84 mm | 90.3 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1638 kg | 1735 kg |
| Vehicle Length | 4990 mm | 4770 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2960 mm | 2590 mm |
| Fuel Consumption | 8.7 L/100km | 9.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 64 L | 75 L |
