2007 Audi A6 vs. 2006 Cadillac STS
To start off, 2007 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (255 HP @ 6500 RPM) has 2 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 98 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 2007 Audi A6 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, 2007 Audi A6 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, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 12 more torque (in Nm) than 2007 Audi A6. (330 Nm @ 3250 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2007 Audi A6 | 2006 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A6 | STS |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3563 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 253 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 330 Nm | 342 Nm |
| Torque RPM | 3250 RPM | 3200 RPM |
| Engine Bore Size | 84.1 mm | 94 mm |
| Engine Stroke Size | 96 mm | 85.6 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1782 kg |
| Vehicle Length | 4920 mm | 4990 mm |
| Vehicle Width | 2020 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2960 mm |
| Fuel Consumption | 8.1 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.2 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 80 L | 66 L |
