2009 Cadillac STS vs. 2006 Peugeot 407
To start off, 2009 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Peugeot 407. In addition, the cost of maintenance, including insurance, on 2006 Peugeot 407 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 168 more horse power than 2006 Peugeot 407. (134 HP @ 4000 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2006 Peugeot 407. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 75 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 2009 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 2009 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 68 more torque (in Nm) than 2006 Peugeot 407. (301 Nm @ 2000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Peugeot 407. 2009 Cadillac STS has automatic transmission and 2006 Peugeot 407 has manual transmission. 2006 Peugeot 407 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 2006 Peugeot 407 | |
| Make | Cadillac | Peugeot |
| Model | STS | 407 |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 134 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 369 Nm | 301 Nm |
| Torque RPM | 5200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1560 kg |
| Vehicle Length | 5000 mm | 4770 mm |
| Vehicle Height | 1470 mm | 1620 mm |
| Wheelbase Size | 2960 mm | 2710 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 64 L | 50 L |
