2005 Mazda 6 vs. 2003 Opel Vectra
To start off, 2005 Mazda 6 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 10 more horse power than 2005 Mazda 6. (164 HP @ 6500 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 349 kg more than 2005 Mazda 6. 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 156 more torque (in Nm) than 2005 Mazda 6. (214 Nm @ 4000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6. 2003 Opel Vectra has automatic transmission and 2005 Mazda 6 has manual transmission. 2005 Mazda 6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mazda 6 | 2003 Opel Vectra | |
| Make | Mazda | Opel |
| Model | 6 | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 164 HP | 174 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 214 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 87.6 mm | 87.5 mm |
| Engine Stroke Size | 94 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Acceleration 0-100mph | 8.9 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1415 kg | 1764 kg |
| Vehicle Length | 4690 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1510 mm |
| Wheelbase Size | 2620 mm | 2840 mm |
| Fuel Consumption Overall | 8.9 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
