2006 Chevrolet Optra vs. 2003 Opel Vectra
To start off, 2006 Chevrolet Optra is newer by 3 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) has 66 more horse power than 2006 Chevrolet Optra. (108 HP) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2006 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 14 kg more than 2006 Chevrolet Optra. 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 219 more torque (in Nm) than 2006 Chevrolet Optra. (151 Nm @ 4000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet Optra. 2003 Opel Vectra has automatic transmission and 2006 Chevrolet Optra has manual transmission. 2006 Chevrolet Optra 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:
| 2006 Chevrolet Optra | 2003 Opel Vectra | |
| Make | Chevrolet | Opel |
| Model | Optra | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 174 HP |
| Torque | 151 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 79 mm | 87.5 mm |
| Engine Stroke Size | 81.5 mm | 82 mm |
| Top Speed | 187 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 1764 kg |
| Vehicle Length | 4440 mm | 4830 mm |
| Vehicle Height | 1250 mm | 1510 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Consumption Overall | 14.7 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
