2009 Chevrolet Impala vs. 2003 Opel Vectra
To start off, 2009 Chevrolet Impala is newer by 6 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 3,899 cc (6 cylinders), 2009 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Impala (233 HP @ 5600 RPM) has 110 more horse power than 2003 Opel Vectra. (123 HP @ 5600 RPM). In normal driving conditions, 2009 Chevrolet Impala should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Impala weights approximately 159 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.
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, 2009 Chevrolet Impala (325 Nm @ 4000 RPM) has 163 more torque (in Nm) than 2003 Opel Vectra. (162 Nm @ 3800 RPM). This means 2009 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2009 Chevrolet Impala | 2003 Opel Vectra | |
| Make | Chevrolet | Opel |
| Model | Impala | Vectra |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3899 cc | 1794 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 233 HP | 123 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 325 Nm | 162 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1549 kg | 1390 kg |
| Vehicle Length | 5100 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2710 mm |
| Fuel Tank Capacity | 64 L | 60 L |
