2008 Cadillac STS vs. 1999 Volvo S80
To start off, 2008 Cadillac STS is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Volvo S80. In addition, the cost of maintenance, including insurance, on 1999 Volvo S80 would be higher. At 3,564 cc (6 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (302 HP @ 6300 RPM) has 164 more horse power than 1999 Volvo S80. (138 HP @ 6100 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1999 Volvo S80. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 70 kg more than 1999 Volvo S80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1999 Volvo S80. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Cadillac STS (369 Nm @ 5200 RPM) has 149 more torque (in Nm) than 1999 Volvo S80. (220 Nm @ 3750 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1999 Volvo S80. 2008 Cadillac STS has automatic transmission and 1999 Volvo S80 has manual transmission. 1999 Volvo S80 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 1999 Volvo S80 | |
| Make | Cadillac | Volvo |
| Model | STS | S80 |
| Year Released | 2008 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 2435 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 138 HP |
| Engine RPM | 6300 RPM | 6100 RPM |
| Torque | 369 Nm | 220 Nm |
| Torque RPM | 5200 RPM | 3750 RPM |
| Engine Bore Size | 94.1 mm | 83 mm |
| Engine Stroke Size | 85.6 mm | 90 mm |
| Engine Compression Ratio | 11.3:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1490 kg |
| Vehicle Length | 4990 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2960 mm | 2800 mm |
| Fuel Tank Capacity | 64 L | 70 L |
