2007 Audi A3 vs. 2003 Opel Vectra
To start off, 2007 Audi A3 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 1,967 cc (4 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (138 HP @ 4000 RPM) has 18 more horse power than 2003 Opel Vectra. (120 HP @ 5800 RPM). In normal driving conditions, 2007 Audi A3 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A3 weights approximately 15 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 Audi A3 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 Audi A3 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 Audi A3 (320 Nm @ 1750 RPM) has 150 more torque (in Nm) than 2003 Opel Vectra. (170 Nm @ 3800 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2007 Audi A3 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 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A3 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A3 | Vectra |
| Year Released | 2007 | 2003 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1967 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 120 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 320 Nm | 170 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 80.5 mm |
| Engine Stroke Size | 95.5 mm | 88.2 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Top Speed | 205 km/hour | 199 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 12.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1505 kg | 1490 kg |
| Vehicle Length | 4210 mm | 4500 mm |
| Vehicle Width | 1770 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2640 mm |
| Fuel Consumption Overall | 5.8 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
