2005 Mercedes-Benz C vs. 2003 Opel Vectra
To start off, 2005 Mercedes-Benz C is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 2,958 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (174 HP @ 4000 RPM) has 54 more horse power than 2005 Mercedes-Benz C. (120 HP @ 4200 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 274 kg more than 2005 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz C 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 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 100 more torque (in Nm) than 2005 Mercedes-Benz C. (270 Nm @ 1600 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2005 Mercedes-Benz C | 2003 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | C | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2147 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 174 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 270 Nm | 370 Nm |
| Torque RPM | 1600 RPM | 1900 RPM |
| Engine Bore Size | 88 mm | 87.5 mm |
| Engine Stroke Size | 88.3 mm | 82 mm |
| Engine Compression Ratio | 18.0:1 | 18.5:1 |
| Top Speed | 208 km/hour | 220 km/hour |
| Acceleration 0-100mph | 11.7 seconds | 10.1 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1764 kg |
| Vehicle Length | 4350 mm | 4830 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1510 mm |
| Wheelbase Size | 2720 mm | 2840 mm |
| Fuel Consumption Overall | 6.1 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
