2009 Audi A8 vs. 2010 Cadillac STS
To start off, 2010 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Audi A8. In addition, the cost of maintenance, including insurance, on 2009 Audi A8 would be higher. At 4,600 cc (8 cylinders), 2010 Cadillac STS is equipped with a bigger engine. In terms of performance, 2010 Cadillac STS (320 HP @ 6400 RPM) has 91 more horse power than 2009 Audi A8. (229 HP @ 4000 RPM) In normal driving conditions, 2010 Cadillac STS should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 18 kg more than 2010 Cadillac STS.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2010 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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 A8 (450 Nm @ 1400 RPM) has 23 more torque (in Nm) than 2010 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2010 Cadillac STS.
Compare all specifications:
| 2009 Audi A8 | 2010 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A8 | STS |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 4600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 320 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 450 Nm | 427 Nm |
| Torque RPM | 1400 RPM | 4400 RPM |
| Fuel Type | Diesel | 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 | 1830 kg | 1812 kg |
| Vehicle Height | 1900 mm | 1463 mm |
| Wheelbase Size | 2950 mm | 2957 mm |
| Fuel Tank Capacity | 90 L | 64 L |
