2004 MG ZS vs. 2003 Opel Vectra
To start off, 2004 MG ZS is newer by 1 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 2,957 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 4000 RPM) has 55 more horse power than 2004 MG ZS. (118 HP @ 5500 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2004 MG ZS. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 530 kg more than 2004 MG ZS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 210 more torque (in Nm) than 2004 MG ZS. (160 Nm @ 2750 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2004 MG ZS.
Compare all specifications:
| 2004 MG ZS | 2003 Opel Vectra | |
| Make | MG | Opel |
| Model | ZS | Vectra |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 173 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 160 Nm | 370 Nm |
| Torque RPM | 2750 RPM | 1900 RPM |
| Engine Bore Size | 80 mm | 87.5 mm |
| Engine Stroke Size | 89.3 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1075 kg | 1605 kg |
| Vehicle Length | 4550 mm | 4600 mm |
| Vehicle Width | 1690 mm | 1770 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2740 mm |
