2003 Chevrolet Cavalier vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Chevrolet Cavalier. In addition, the cost of maintenance, including insurance, on 2003 Chevrolet Cavalier would be higher. At 2,958 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (175 HP @ 4000 RPM) has 55 more horse power than 2003 Chevrolet Cavalier. (120 HP @ 5200 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 2003 Chevrolet Cavalier. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 426 kg more than 2003 Chevrolet Cavalier. 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, 2007 Opel Vectra (370 Nm @ 1900 RPM) has 194 more torque (in Nm) than 2003 Chevrolet Cavalier. (176 Nm @ 3600 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Chevrolet Cavalier. 2007 Opel Vectra has automatic transmission and 2003 Chevrolet Cavalier has manual transmission. 2003 Chevrolet Cavalier will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Chevrolet Cavalier | 2007 Opel Vectra | |
| Make | Chevrolet | Opel |
| Model | Cavalier | Vectra |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2189 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 175 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 176 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 1900 RPM |
| Engine Bore Size | 89 mm | 87.5 mm |
| Engine Stroke Size | 88 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1187 kg | 1613 kg |
| Vehicle Length | 4600 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2710 mm |
| Fuel Consumption Overall | 14.7 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 56 L | 61 L |
