2006 Cadillac STS vs. 2008 Volvo XC90
To start off, 2008 Volvo XC90 is newer by 2 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), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (321 HP @ 6400 RPM) has 136 more horse power than 2008 Volvo XC90. (185 HP @ 5000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2008 Volvo XC90. With that said, vehicle weight also plays an important factor in acceleration. 2008 Volvo XC90 weights approximately 228 kg more than 2006 Cadillac STS.
Because 2008 Volvo XC90 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2008 Volvo XC90 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, 2006 Cadillac STS (427 Nm @ 4400 RPM) has 107 more torque (in Nm) than 2008 Volvo XC90. (320 Nm @ 1500 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Volvo XC90.
Compare all specifications:
| 2006 Cadillac STS | 2008 Volvo XC90 | |
| Make | Cadillac | Volvo |
| Model | STS | XC90 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2521 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 185 HP |
| Engine RPM | 6400 RPM | 5000 RPM |
| Torque | 427 Nm | 320 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 84 mm | 93.2 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 10.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1818 kg | 2046 kg |
| Vehicle Length | 4990 mm | 4250 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2960 mm | 2870 mm |
| Fuel Consumption Overall | 14.5 L/100km | 9 L/100km |
| Fuel Tank Capacity | 66 L | 72 L |
