2009 Audi RS6 vs. 2008 Cadillac DTS
To start off, 2009 Audi RS6 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 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 297 more horse power than 2008 Cadillac DTS. (275 HP @ 6000 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2008 Cadillac DTS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 393 kg more than 2008 Cadillac DTS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac DTS. In wet, icy, snow, or gravel driving conditions, 2009 Audi RS6 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 Audi RS6 (650 Nm @ 1500 RPM) has 250 more torque (in Nm) than 2008 Cadillac DTS. (400 Nm @ 4400 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac DTS.
Compare all specifications:
| 2009 Audi RS6 | 2008 Cadillac DTS | |
| Make | Audi | Cadillac |
| Model | RS6 | DTS |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4991 cc | 4565 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 572 HP | 275 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 650 Nm | 400 Nm |
| Torque RPM | 1500 RPM | 4400 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2028 kg | 1635 kg |
| Vehicle Length | 4930 mm | 5280 mm |
| Vehicle Width | 1900 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2940 mm |
| Fuel Consumption Overall | 14 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 80 L | 68 L |
