2004 Audi A6 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 A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,198 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (145 HP @ 5600 RPM) has 7 more horse power than 2004 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 55 kg more than 2005 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, 2004 Audi A6 (320 Nm @ 1750 RPM) has 100 more torque (in Nm) than 2005 Opel Vectra. (220 Nm @ 3800 RPM). This means 2004 Audi A6 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 A6 has manual transmission. 2004 Audi A6 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 A6 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 145 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 320 Nm | 220 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Engine Compression Ratio | 19.5:1 | 12.0:1 |
| Top Speed | 205 km/hour | 212 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1485 kg |
| Vehicle Length | 4920 mm | 4600 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Consumption | 4.8 L/100km | 6.6 L/100km |
| Fuel Consumption City | 8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 6 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
