2009 Bentley Arnage vs. 2007 Cadillac STS
To start off, 2009 Bentley Arnage 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 6,749 cc (8 cylinders), 2009 Bentley Arnage is equipped with a bigger engine. In terms of performance, 2009 Bentley Arnage (450 HP @ 4100 RPM) has 130 more horse power than 2007 Cadillac STS. (320 HP @ 6400 RPM). In normal driving conditions, 2009 Bentley Arnage should accelerate faster than 2007 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Bentley Arnage weights approximately 1089 kg more than 2007 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Bentley Arnage (875 Nm @ 3250 RPM) has 448 more torque (in Nm) than 2007 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Bentley Arnage will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2009 Bentley Arnage | 2007 Cadillac STS | |
| Make | Bentley | Cadillac |
| Model | Arnage | STS |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6749 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 450 HP | 320 HP |
| Engine RPM | 4100 RPM | 6400 RPM |
| Torque | 875 Nm | 427 Nm |
| Torque RPM | 3250 RPM | 4400 RPM |
| Engine Bore Size | 104.2 mm | 93 mm |
| Engine Stroke Size | 99.1 mm | 84 mm |
| Engine Compression Ratio | 7.8:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2655 kg | 1566 kg |
| Vehicle Length | 5650 mm | 4990 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1520 mm | 1470 mm |
| Wheelbase Size | 3370 mm | 2960 mm |
| Fuel Consumption Overall | 19.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 96 L | 64 L |
