2009 Cadillac STS vs. 2008 Volvo S80
To start off, 2009 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Volvo S80. In addition, the cost of maintenance, including insurance, on 2008 Volvo S80 would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 138 more horse power than 2008 Volvo S80. (162 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2008 Volvo S80. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 165 kg more than 2008 Volvo S80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2008 Volvo S80, being front wheel drive (FWD), will offer much better control with better grip. 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 Volvo S80 (340 Nm @ 1750 RPM) has 67 more torque (in Nm) than 2009 Cadillac STS. (273 Nm @ 5200 RPM). This means 2008 Volvo S80 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2008 Volvo S80 | |
| Make | Cadillac | Volvo |
| Model | STS | S80 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 2401 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 162 HP |
| Torque | 273 Nm | 340 Nm |
| Torque RPM | 5200 RPM | 1750 RPM |
| Engine Bore Size | 94 mm | 81 mm |
| Engine Stroke Size | 85.6 mm | 93.2 mm |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 230 km/hour | 210 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 9.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 1617 kg |
| Vehicle Length | 4990 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2800 mm |
| Fuel Consumption Overall | 12.7 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 58 L | 70 L |
