2008 Cadillac STS vs. 2008 Volvo S80
To start off, both 2008 Cadillac STS and 2008 Volvo S80 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 40 more horse power than 2008 Volvo S80. (281 HP @ 5600 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2008 Volvo S80. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 132 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 2008 Volvo S80 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2008 Volvo S80 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 27 more torque (in Nm) than 2008 Volvo S80. (400 Nm @ 1500 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Volvo S80.
Compare all specifications:
| 2008 Cadillac STS | 2008 Volvo S80 | |
| Make | Cadillac | Volvo |
| Model | STS | S80 |
| Year Released | 2008 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2953 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 281 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 427 Nm | 400 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Engine Bore Size | 93 mm | 82 mm |
| Engine Stroke Size | 84 mm | 93.2 mm |
| Engine Compression Ratio | 10.5:1 | 11.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.5 seconds | 7.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1812 kg | 1680 kg |
| Vehicle Length | 4990 mm | 4860 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2960 mm | 2840 mm |
| Fuel Consumption | 9.1 L/100km | 10.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
