1999 Audi A6 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Audi A6. In addition, the cost of maintenance, including insurance, on 1999 Audi A6 would be higher. At 1,781 cc (4 cylinders), 1999 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi A6 (149 HP @ 5700 RPM) has 60 more horse power than 2006 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 1999 Audi A6 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A6 weights approximately 150 kg more than 2006 Opel Astra. 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, 1999 Audi A6 (210 Nm @ 1750 RPM) has 85 more torque (in Nm) than 2006 Opel Astra. (125 Nm @ 4000 RPM). This means 1999 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra. 2006 Opel Astra has automatic transmission and 1999 Audi A6 has manual transmission. 1999 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A6 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1364 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 149 HP | 89 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 210 Nm | 125 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 73.4 mm |
| Engine Stroke Size | 86.4 mm | 80.6 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 217 km/hour | 180 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1380 kg | 1230 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1820 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Consumption Overall | 13 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
