2006 Audi A4 vs. 2004 Opel Vectra
To start off, 2006 Audi A4 is newer by 2 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 2,169 cc (4 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (187 HP @ 5700 RPM) has 64 more horse power than 2004 Opel Vectra. (123 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 110 kg more than 2006 Audi A4.
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, 2004 Opel Vectra (280 Nm @ 1500 RPM) has 40 more torque (in Nm) than 2006 Audi A4. (240 Nm @ 1950 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4. 2004 Opel Vectra has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A4 | 2004 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2006 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2169 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 123 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 240 Nm | 280 Nm |
| Torque RPM | 1950 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 98 mm |
| Engine Compression Ratio | 9.3:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 228 km/hour | 206 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1505 kg |
| Vehicle Length | 4550 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
| Fuel Consumption Overall | 8.4 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
