2009 Cadillac STS vs. 2005 Peugeot 307
To start off, 2009 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Peugeot 307. In addition, the cost of maintenance, including insurance, on 2005 Peugeot 307 would be higher. At 4,564 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 212 more horse power than 2005 Peugeot 307. (108 HP @ 4000 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2005 Peugeot 307. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 565 kg more than 2005 Peugeot 307. 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, 2005 Peugeot 307, 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 (427 Nm @ 4400 RPM) has 187 more torque (in Nm) than 2005 Peugeot 307. (240 Nm @ 1750 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Peugeot 307. 2009 Cadillac STS has automatic transmission and 2005 Peugeot 307 has manual transmission. 2005 Peugeot 307 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 | 2005 Peugeot 307 | |
| Make | Cadillac | Peugeot |
| Model | STS | 307 |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4564 cc | 1560 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 108 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 427 Nm | 240 Nm |
| Torque RPM | 4400 RPM | 1750 RPM |
| Engine Compression Ratio | 3.7:1 | 17.6:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1070 kg |
| Vehicle Length | 5000 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1540 mm |
| Wheelbase Size | 2960 mm | 2810 mm |
| Fuel Consumption Overall | 13.1 L/100km | 5 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
