2004 Audi A4 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (201 HP @ 3500 RPM) has 28 more horse power than 2005 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 125 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 186 more torque (in Nm) than 2005 Opel Vectra. (265 Nm @ 2500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2004 Audi A4 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 173 HP |
| Engine RPM | 3500 RPM | 5500 RPM |
| Torque | 451 Nm | 265 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91.4 mm | 86 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 235 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1485 kg |
| Vehicle Length | 4590 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2430 mm | 2620 mm |
| Fuel Consumption Overall | 7.5 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
