2007 Audi S6 vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S6. In addition, the cost of maintenance, including insurance, on 2007 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2007 Audi S6 is equipped with a bigger engine. In terms of performance, 2007 Audi S6 (335 HP @ 7000 RPM) has 33 more horse power than 2009 Cadillac STS. (302 HP @ 6300 RPM). In normal driving conditions, 2007 Audi S6 should accelerate faster than 2009 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S6 weights approximately 200 kg more than 2009 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2007 Audi S6 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, 2007 Audi S6 (420 Nm @ 3400 RPM) has 51 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 2007 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2007 Audi S6 | 2009 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | S6 | STS |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 302 HP |
| Engine RPM | 7000 RPM | 6300 RPM |
| Torque | 420 Nm | 369 Nm |
| Torque RPM | 3400 RPM | 5200 RPM |
| Engine Compression Ratio | 11.0:1 | 3.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1560 kg |
| Vehicle Length | 4840 mm | 5000 mm |
| Vehicle Width | 2000 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2960 mm |
| Fuel Consumption Overall | 14.3 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 82 L | 64 L |
