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 (176 HP @ 4000 RPM) has 16 more horse power than 2005 Mercedes-Benz C. (160 HP @ 5500 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. 2005 Mercedes-Benz C weights approximately 474 kg more than 2003 Opel Vectra.
Because 2005 Mercedes-Benz C is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz C will offer significantly more control. 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 130 more torque (in Nm) than 2005 Mercedes-Benz C. (240 Nm @ 4500 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C. 2005 Mercedes-Benz C has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz C will be easier to drive especially in heavy traffic.
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 | 2685 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 160 HP | 176 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 240 Nm | 370 Nm |
| Torque RPM | 4500 RPM | 1900 RPM |
| Engine Bore Size | 89.9 mm | 87.5 mm |
| Engine Stroke Size | 68.2 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2064 kg | 1590 kg |
| Vehicle Length | 4530 mm | 4830 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
