2008 Cadillac STS vs. 2003 Volvo C70
To start off, 2008 Cadillac STS is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Volvo C70. In addition, the cost of maintenance, including insurance, on 2003 Volvo C70 would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 79 more horse power than 2003 Volvo C70. (241 HP @ 5400 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2003 Volvo C70. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 70 kg more than 2003 Volvo C70. 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 2003 Volvo C70. 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 (427 Nm @ 4400 RPM) has 107 more torque (in Nm) than 2003 Volvo C70. (320 Nm @ 2400 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 Volvo C70.
Compare all specifications:
| 2008 Cadillac STS | 2003 Volvo C70 | |
| Make | Cadillac | Volvo |
| Model | STS | C70 |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2401 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 241 HP |
| Engine RPM | 6400 RPM | 5400 RPM |
| Torque | 427 Nm | 320 Nm |
| Torque RPM | 4400 RPM | 2400 RPM |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1635 kg | 1565 kg |
| Vehicle Length | 5000 mm | 4720 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2960 mm | 2670 mm |
| Fuel Consumption Highway | 9.8 L/100km | 8 L/100km |
| Fuel Consumption City | 15.7 L/100km | 16 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 64 L | 68 L |
