2007 Audi A4 vs. 2004 Opel Vectra
To start off, 2007 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2004 Opel Vectra would be higher. At 1,998 cc (4 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (173 HP @ 5500 RPM) has 59 more horse power than 2007 Audi A4. (114 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 25 kg more than 2004 Opel Vectra.
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, 2007 Audi A4 (285 Nm @ 1900 RPM) has 20 more torque (in Nm) than 2004 Opel Vectra. (265 Nm @ 2500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 2007 Audi A4 | 2004 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2007 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1895 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 173 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 285 Nm | 265 Nm |
| Torque RPM | 1900 RPM | 2500 RPM |
| Engine Bore Size | 79.5 mm | 86.1 mm |
| Engine Stroke Size | 95.5 mm | 86 mm |
| Engine Compression Ratio | 19.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 11.5 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1585 kg |
| Vehicle Length | 4590 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 5.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
