2009 Cadillac STS vs. 2007 Renault Megane
To start off, 2009 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Renault Megane. In addition, the cost of maintenance, including insurance, on 2007 Renault Megane would be higher. At 3,600 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 81 more horse power than 2007 Renault Megane. (221 HP @ 5500 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2007 Renault Megane. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 130 kg more than 2007 Renault Megane. 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, 2007 Renault Megane, 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 69 more torque (in Nm) than 2007 Renault Megane. (300 Nm @ 3000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Renault Megane. 2009 Cadillac STS has automatic transmission and 2007 Renault Megane has manual transmission. 2007 Renault Megane 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 | 2007 Renault Megane | |
| Make | Cadillac | Renault |
| Model | STS | Megane |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 221 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 369 Nm | 300 Nm |
| Torque RPM | 5200 RPM | 3000 RPM |
| Engine Compression Ratio | 3.7:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1560 kg | 1430 kg |
| Vehicle Length | 5000 mm | 4230 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2960 mm | 2630 mm |
| Fuel Consumption Overall | 11.9 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
