2008 Audi A6 vs. 2005 Cadillac STS
To start off, 2008 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 3,562 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (255 HP @ 6500 RPM) has 3 more horse power than 2005 Cadillac STS. (252 HP @ 6500 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 630 kg more than 2008 Audi A6.
Because 2005 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 Cadillac STS (342 Nm @ 3200 RPM) has 12 more torque (in Nm) than 2008 Audi A6. (330 Nm @ 3250 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2005 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A6 | STS |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3562 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 252 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 330 Nm | 342 Nm |
| Torque RPM | 3250 RPM | 3200 RPM |
| Engine Bore Size | 84.5 mm | 94 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1790 kg |
| Vehicle Length | 4920 mm | 4990 mm |
| Vehicle Width | 2020 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2690 mm |
| Fuel Consumption | 8.3 L/100km | 9.8 L/100km |
| Fuel Consumption Overall | 10 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 80 L | 95 L |
