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 (218 HP @ 6300 RPM) has 95 more horse power than 2005 Opel Vectra. (123 HP @ 5600 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.
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 Audi A4 (300 Nm @ 3200 RPM) has 135 more torque (in Nm) than 2005 Opel Vectra. (165 Nm @ 3800 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra. 2005 Opel Vectra has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1794 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 218 HP | 123 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 300 Nm | 165 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 82.5 mm | 80.5 mm |
| Engine Stroke Size | 92.8 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 243 km/hour | 200 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 12 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1360 kg |
| Vehicle Length | 4550 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 60 L |
