2007 Mercedes-Benz CLS vs. 2008 Opel Speedster
To start off, 2008 Opel Speedster is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz CLS would be higher. At 2,987 cc (6 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (221 HP @ 3800 RPM) has 24 more horse power than 2008 Opel Speedster. (197 HP @ 5500 RPM). In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2008 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz CLS weights approximately 810 kg more than 2008 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, 2007 Mercedes-Benz CLS (510 Nm @ 1600 RPM) has 260 more torque (in Nm) than 2008 Opel Speedster. (250 Nm @ 1950 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Speedster. 2007 Mercedes-Benz CLS has automatic transmission and 2008 Opel Speedster has manual transmission. 2008 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz CLS | 2008 Opel Speedster | |
| Make | Mercedes-Benz | Opel |
| Model | CLS | Speedster |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2987 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 197 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 510 Nm | 250 Nm |
| Torque RPM | 1600 RPM | 1950 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 92 mm | 86 mm |
| Engine Compression Ratio | 18.0:1 | 8.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 246 km/hour | 243 km/hour |
| Acceleration 0-100mph | 7.3 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 | 1815 kg | 1005 kg |
| Vehicle Length | 4920 mm | 3790 mm |
| Vehicle Width | 1880 mm | 1710 mm |
| Vehicle Height | 1410 mm | 1120 mm |
| Wheelbase Size | 2860 mm | 2340 mm |
| Fuel Consumption Overall | 7.6 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 80 L | 36 L |
