2005 Audi A4 vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,198 cc (4 cylinders), 2006 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Opel Vectra (153 HP @ 5600 RPM) has 25 more horse power than 2005 Audi A4. (128 HP @ 4000 RPM) In normal driving conditions, 2006 Opel Vectra should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 30 kg more than 2006 Opel Vectra.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (310 Nm @ 1900 RPM) has 90 more torque (in Nm) than 2006 Opel Vectra. (220 Nm @ 3800 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Vectra. 2006 Opel Vectra has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2006 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 153 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 310 Nm | 220 Nm |
| Torque RPM | 1900 RPM | 3800 RPM |
| Engine Bore Size | 79.5 mm | 86 mm |
| Engine Stroke Size | 95.5 mm | 94.6 mm |
| Engine Compression Ratio | 19.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 205 km/hour | 218 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 9.6 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 | 1485 kg | 1455 kg |
| Vehicle Length | 4550 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2710 mm |
| Fuel Consumption Overall | 6.6 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 66 L | 61 L |
