2009 Audi R8 vs. 2008 Cadillac STS
To start off, 2009 Audi R8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 94 more horse power than 2008 Cadillac STS. (320 HP @ 6400 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2008 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 70 kg more than 2009 Audi R8.
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 R8 (430 Nm @ 4500 RPM) has 3 more torque (in Nm) than 2008 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac STS.
Compare all specifications:
| 2009 Audi R8 | 2008 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | R8 | STS |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 320 HP |
| Engine RPM | 7800 RPM | 6400 RPM |
| Torque | 430 Nm | 427 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1635 kg |
| Vehicle Length | 4440 mm | 5000 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1260 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2960 mm |
| Fuel Consumption Overall | 13.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 75 L | 64 L |
