2009 Mercedes-Benz CLS vs. 2003 Opel Speedster
To start off, 2009 Mercedes-Benz CLS is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2003 Opel Speedster would be higher. At 3,498 cc (6 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (288 HP @ 6400 RPM) has 91 more horse power than 2003 Opel Speedster. (197 HP @ 5500 RPM). In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 730 kg more than 2003 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Mercedes-Benz CLS (365 Nm @ 3000 RPM) has 115 more torque (in Nm) than 2003 Opel Speedster. (250 Nm @ 1950 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster. 2009 Mercedes-Benz CLS has automatic transmission and 2003 Opel Speedster has manual transmission. 2003 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mercedes-Benz CLS | 2003 Opel Speedster | |
| Make | Mercedes-Benz | Opel |
| Model | CLS | Speedster |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 3498 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 288 HP | 197 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 365 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 1950 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 12.2:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.7 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1735 kg | 1005 kg |
| Vehicle Length | 4920 mm | 3790 mm |
| Vehicle Width | 1880 mm | 1710 mm |
| Vehicle Height | 1440 mm | 1120 mm |
| Wheelbase Size | 2860 mm | 2400 mm |
| Fuel Consumption Overall | 9.1 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 80 L | 36 L |
