2007 Jeep Grand Cherokee vs. 2003 Opel Vectra
To start off, 2007 Jeep Grand Cherokee is newer by 4 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 5,654 cc (8 cylinders), 2007 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2007 Jeep Grand Cherokee (322 HP @ 5000 RPM) has 146 more horse power than 2003 Opel Vectra. (176 HP @ 4000 RPM). In normal driving conditions, 2007 Jeep Grand Cherokee should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Grand Cherokee weights approximately 660 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2007 Jeep Grand Cherokee will offer significantly more control. 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 Jeep Grand Cherokee (500 Nm @ 4000 RPM) has 130 more torque (in Nm) than 2003 Opel Vectra. (370 Nm @ 1900 RPM). This means 2007 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2007 Jeep Grand Cherokee has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jeep Grand Cherokee will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Jeep Grand Cherokee | 2003 Opel Vectra | |
| Make | Jeep | Opel |
| Model | Grand Cherokee | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5654 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 322 HP | 176 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 500 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 99.6 mm | 87.5 mm |
| Engine Stroke Size | 90.9 mm | 82 mm |
| Engine Compression Ratio | 9.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2250 kg | 1590 kg |
| Vehicle Length | 4760 mm | 4830 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1750 mm | 1510 mm |
