2005 Audi A8 vs. 2006 Cadillac STS
To start off, 2006 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 4,565 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (330 HP @ 6500 RPM) has 9 more horse power than 2006 Cadillac STS. (321 HP @ 6400 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 92 kg more than 2006 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A8 (430 Nm @ 3500 RPM) has 3 more torque (in Nm) than 2006 Cadillac STS. (427 Nm @ 4400 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2005 Audi A8 | 2006 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A8 | STS |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 321 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 430 Nm | 427 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 84.6 mm | 93 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.4 seconds | 6.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1818 kg |
| Vehicle Length | 5190 mm | 4990 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 3080 mm | 2960 mm |
| Fuel Consumption Overall | 11.9 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 90 L | 66 L |
