2009 Audi A6 vs. 2003 Opel Vectra
To start off, 2009 Audi A6 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 4,163 cc (8 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (350 HP @ 6800 RPM) has 197 more horse power than 2003 Opel Vectra. (153 HP @ 5600 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2003 Opel Vectra.
Because 2009 Audi A6 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 A6 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 A6 (441 Nm @ 3500 RPM) has 212 more torque (in Nm) than 2003 Opel Vectra. (229 Nm @ 3800 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2009 Audi A6 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. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2172 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 153 HP |
| Engine RPM | 6800 RPM | 5600 RPM |
| Torque | 441 Nm | 229 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 12.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4930 mm | 4830 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
