2004 Audi A6 vs. 2007 Cadillac STS
To start off, 2007 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 3,556 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (254 HP @ 6500 RPM) has 34 more horse power than 2004 Audi A6. (220 HP @ 4000 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 48 kg more than 2007 Cadillac STS.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS 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 Cadillac STS (342 Nm) has 42 more torque (in Nm) than 2004 Audi A6. (300 Nm). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2007 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A6 | STS |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 3556 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 254 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 300 Nm | 342 Nm |
| Engine Bore Size | 83 mm | 94 mm |
| Engine Stroke Size | 93 mm | 85.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1782 kg |
| Vehicle Length | 4880 mm | 4990 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2960 mm |
| Fuel Consumption City | 13.2 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
