2009 Audi A4 vs. 2007 Cadillac STS
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 3,556 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (265 HP @ 6500 RPM) has 10 more horse power than 2007 Cadillac STS. (255 HP @ 6500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2007 Cadillac STS.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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 @ 3200 RPM) has 12 more torque (in Nm) than 2009 Audi A4. (330 Nm @ 3000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2007 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A4 | STS |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 3556 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 255 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 330 Nm | 342 Nm |
| Torque RPM | 3000 RPM | 3200 RPM |
| Engine Bore Size | 84.5 mm | 94 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 12.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4710 mm | 4990 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2960 mm |
| Fuel Consumption Overall | 8.3 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
