2009 Cadillac STS vs. 2006 Audi A4
To start off, 2009 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 72 more horse power than 2006 Audi A4. (230 HP @ 4000 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 155 kg more than 2009 Cadillac STS.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A4 (451 Nm @ 1400 RPM) has 82 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2006 Audi A4 | |
| Make | Cadillac | Audi |
| Model | STS | A4 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 230 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 369 Nm | 451 Nm |
| Torque RPM | 5200 RPM | 1400 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1635 kg | 1790 kg |
| Vehicle Length | 5000 mm | 4580 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2960 mm | 2660 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8 L/100km |
| Fuel Tank Capacity | 64 L | 63 L |
