2003 Opel Vectra vs. 2004 Opel Zafira
To start off, 2004 Opel Zafira 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 50 more horse power than 2004 Opel Zafira. (123 HP @ 4000 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2004 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 55 kg more than 2004 Opel Zafira. 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 100 more torque (in Nm) than 2004 Opel Zafira. (270 Nm @ 1500 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Zafira.
Compare all specifications:
| 2003 Opel Vectra | 2004 Opel Zafira | |
| Make | Opel | Opel |
| Model | Vectra | Zafira |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 123 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 370 Nm | 270 Nm |
| Torque RPM | 1900 RPM | 1500 RPM |
| Engine Bore Size | 87.5 mm | 84 mm |
| Engine Stroke Size | 82 mm | 98 mm |
| Engine Compression Ratio | 18.5:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 226 km/hour | 187 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1605 kg | 1550 kg |
| Vehicle Length | 4600 mm | 4320 mm |
| Vehicle Width | 1770 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1640 mm |
| Wheelbase Size | 2740 mm | 2710 mm |
| Fuel Consumption Overall | 7 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 60 L | 58 L |
