2007 Audi A6 vs. 2003 Cadillac CTS
To start off, 2007 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Cadillac CTS. In addition, the cost of maintenance, including insurance, on 2003 Cadillac CTS would be higher. At 2,597 cc (6 cylinders), 2003 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2003 Cadillac CTS (179 HP @ 6000 RPM) has 1 more horse power than 2007 Audi A6. (178 HP @ 4000 RPM) In normal driving conditions, 2003 Cadillac CTS should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 270 kg more than 2003 Cadillac CTS.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Cadillac CTS. 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, 2007 Audi A6 (370 Nm @ 1500 RPM) has 125 more torque (in Nm) than 2003 Cadillac CTS. (245 Nm @ 3400 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Cadillac CTS.
Compare all specifications:
| 2007 Audi A6 | 2003 Cadillac CTS | |
| Make | Audi | Cadillac |
| Model | A6 | CTS |
| Year Released | 2007 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2597 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 179 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 370 Nm | 245 Nm |
| Torque RPM | 1500 RPM | 3400 RPM |
| Engine Bore Size | 78.4 mm | 83.3 mm |
| Engine Stroke Size | 86.4 mm | 79.6 mm |
| Engine Compression Ratio | 19.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1620 kg |
| Vehicle Length | 4820 mm | 4840 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1560 mm | 1450 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 64 L |
