2009 Audi RS4 vs. 2011 Cadillac STS
To start off, 2011 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi RS4. In addition, the cost of maintenance, including insurance, on 2009 Audi RS4 would be higher. At 4,161 cc (8 cylinders), 2009 Audi RS4 is equipped with a bigger engine. In terms of performance, 2009 Audi RS4 (414 HP @ 7800 RPM) has 112 more horse power than 2011 Cadillac STS. (302 HP @ 6300 RPM). In normal driving conditions, 2009 Audi RS4 should accelerate faster than 2011 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2011 Cadillac STS weights approximately 92 kg more than 2009 Audi RS4.
Because 2009 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2009 Audi RS4 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, 2009 Audi RS4 (430 Nm @ 5500 RPM) has 62 more torque (in Nm) than 2011 Cadillac STS. (368 Nm @ 5200 RPM). This means 2009 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Cadillac STS. 2011 Cadillac STS has automatic transmission and 2009 Audi RS4 has manual transmission. 2009 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi RS4 | 2011 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | RS4 | STS |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 302 HP |
| Engine RPM | 7800 RPM | 6300 RPM |
| Torque | 430 Nm | 368 Nm |
| Torque RPM | 5500 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1802 kg |
| Vehicle Length | 4590 mm | 4996 mm |
| Vehicle Width | 1820 mm | 1844 mm |
| Vehicle Height | 1420 mm | 1463 mm |
| Wheelbase Size | 2660 mm | 2957 mm |
| Fuel Tank Capacity | 70 L | 64 L |
