2005 Cadillac STS vs. 2003 Renault Megane
To start off, 2005 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Renault Megane. In addition, the cost of maintenance, including insurance, on 2003 Renault Megane would be higher. At 4,565 cc (8 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (321 HP @ 6400 RPM) has 203 more horse power than 2003 Renault Megane. (118 HP @ 4000 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2003 Renault Megane. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 522 kg more than 2003 Renault Megane. 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, 2003 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, 2005 Cadillac STS (427 Nm @ 4400 RPM) has 127 more torque (in Nm) than 2003 Renault Megane. (300 Nm @ 2000 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 Renault Megane. 2005 Cadillac STS has automatic transmission and 2003 Renault Megane has manual transmission. 2003 Renault Megane will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Cadillac STS | 2003 Renault Megane | |
| Make | Cadillac | Renault |
| Model | STS | Megane |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1870 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 118 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 427 Nm | 300 Nm |
| Torque RPM | 4400 RPM | 2000 RPM |
| Engine Bore Size | 93.1 mm | 80 mm |
| Engine Stroke Size | 84 mm | 93 mm |
| Engine Compression Ratio | 10.5:1 | 18.3:1 |
| Acceleration 0-100mph | 6.2 seconds | 11 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1817 kg | 1295 kg |
| Vehicle Length | 4990 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2960 mm | 2750 mm |
| Fuel Consumption Highway | 9.1 L/100km | 4.4 L/100km |
| Fuel Consumption City | 13.8 L/100km | 7.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 66 L | 60 L |
