2009 Audi A4 vs. 2003 Opel Vectra
To start off, 2009 Audi A4 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 2,965 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (222 HP @ 4000 RPM) has 99 more horse power than 2003 Opel Vectra. (123 HP @ 3250 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 23 kg more than 2009 Audi A4.
Because 2009 Audi A4 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, 2009 Audi A4 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, 2009 Audi A4 (450 Nm @ 1400 RPM) has 170 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2003 Opel Vectra has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 123 HP |
| Engine RPM | 4000 RPM | 3250 RPM |
| Torque | 450 Nm | 280 Nm |
| Torque RPM | 1400 RPM | 1500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91.4 mm | 98 mm |
| Engine Compression Ratio | 17.0:1 | 18.5:1 |
| Top Speed | 235 km/hour | 199 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 12.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1633 kg |
| Vehicle Length | 4550 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Consumption Overall | 7.6 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
