2008 Cadillac DTS vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Cadillac DTS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac DTS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 10 more horse power than 2008 Cadillac DTS. (292 HP @ 6300 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2008 Cadillac DTS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac DTS weights approximately 3 kg more than 2009 Cadillac STS.
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 Cadillac DTS, 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 Cadillac DTS (391 Nm @ 4500 RPM) has 22 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 2008 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2008 Cadillac DTS | 2009 Cadillac STS | |
| Make | Cadillac | Cadillac |
| Model | DTS | STS |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3599 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 292 HP | 302 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 391 Nm | 369 Nm |
| Torque RPM | 4500 RPM | 5200 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1638 kg | 1635 kg |
| Vehicle Length | 5280 mm | 5000 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2940 mm | 2960 mm |
| Fuel Consumption Highway | 10.7 L/100km | 9.1 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
