2009 Cadillac STS vs. 2011 Volvo S80
To start off, 2011 Volvo S80 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2009 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (321 HP @ 6400 RPM) has 81 more horse power than 2011 Volvo S80. (240 HP @ 6400 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2011 Volvo S80. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 114 kg more than 2011 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 four wheel drive (4WD), it will have significant more traction and grip than 2011 Volvo S80. In wet, icy, snow, or gravel driving conditions, 2009 Cadillac STS 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, 2009 Cadillac STS (427 Nm @ 4400 RPM) has 107 more torque (in Nm) than 2011 Volvo S80. (320 Nm @ 3200 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2011 Volvo S80.
Compare all specifications:
| 2009 Cadillac STS | 2011 Volvo S80 | |
| Make | Cadillac | Volvo |
| Model | STS | S80 |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3200 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 240 HP |
| Engine RPM | 6400 RPM | 6400 RPM |
| Torque | 427 Nm | 320 Nm |
| Torque RPM | 4400 RPM | 3200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1706 kg |
| Vehicle Length | 4990 mm | 4851 mm |
| Vehicle Width | 1850 mm | 1862 mm |
| Vehicle Height | 1470 mm | 1494 mm |
| Wheelbase Size | 2960 mm | 2835 mm |
| Fuel Consumption Highway | 9.1 L/100km | 8.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
