2006 Cadillac STS vs. 2007 Peugeot 407
To start off, 2007 Peugeot 407 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,556 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 152 more horse power than 2007 Peugeot 407. (168 HP @ 4000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2007 Peugeot 407.
Because 2006 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 2006 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2006 Cadillac STS (428 Nm @ 4400 RPM) has 58 more torque (in Nm) than 2007 Peugeot 407. (370 Nm @ 1500 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Peugeot 407. 2006 Cadillac STS has automatic transmission and 2007 Peugeot 407 has manual transmission. 2007 Peugeot 407 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 2007 Peugeot 407 | |
| Make | Cadillac | Peugeot |
| Model | STS | 407 |
| Year Released | 2006 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4556 cc | 2177 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 168 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 428 Nm | 370 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 84 mm | 96 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4990 mm | 4770 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2960 mm | 2730 mm |
| Fuel Consumption Overall | 11.8 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 64 L | 66 L |
