2005 Cadillac STS vs. 2006 Peugeot 407
To start off, 2006 Peugeot 407 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 3,562 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (252 HP @ 6500 RPM) has 43 more horse power than 2006 Peugeot 407. (209 HP @ 6000 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2006 Peugeot 407. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 103 kg more than 2006 Peugeot 407. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2006 Peugeot 407, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Cadillac STS (342 Nm @ 3200 RPM) has 52 more torque (in Nm) than 2006 Peugeot 407. (290 Nm @ 3750 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Peugeot 407.
Compare all specifications:
| 2005 Cadillac STS | 2006 Peugeot 407 | |
| Make | Cadillac | Peugeot |
| Model | STS | 407 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3562 cc | 2946 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 209 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 342 Nm | 290 Nm |
| Torque RPM | 3200 RPM | 3750 RPM |
| Engine Bore Size | 94 mm | 87 mm |
| Engine Stroke Size | 86 mm | 82.6 mm |
| Engine Compression Ratio | 10.2:1 | 10.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1790 kg | 1687 kg |
| Vehicle Length | 4990 mm | 4820 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2690 mm | 2730 mm |
| Fuel Consumption Overall | 12.4 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 95 L | 66 L |
