2004 Hyundai Sonata vs. 2003 Opel Vectra
To start off, 2004 Hyundai Sonata is newer by 1 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 2,957 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 4000 RPM) has 33 more horse power than 2004 Hyundai Sonata. (140 HP @ 6000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2004 Hyundai Sonata. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 162 kg more than 2004 Hyundai Sonata. 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) has 171 more torque (in Nm) than 2004 Hyundai Sonata. (199 Nm). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2004 Hyundai Sonata.
Compare all specifications:
| 2004 Hyundai Sonata | 2003 Opel Vectra | |
| Make | Hyundai | Opel |
| Model | Sonata | Vectra |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2343 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 140 HP | 173 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 199 Nm | 370 Nm |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 100 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1443 kg | 1605 kg |
| Vehicle Length | 4750 mm | 4600 mm |
| Vehicle Width | 1830 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2740 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
