1999 Audi A4 vs. 2010 Opel Astra
To start off, 2010 Opel Astra is newer by 11 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,393 cc (6 cylinders), 1999 Audi A4 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (163 HP @ 6000 RPM) has 25 more horse power than 2010 Opel Astra. (138 HP @ 5600 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2010 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 42 kg more than 2010 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 A4 (234 Nm @ 3200 RPM) has 59 more torque (in Nm) than 2010 Opel Astra. (175 Nm @ 3800 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Opel Astra.
Compare all specifications:
| 1999 Audi A4 | 2010 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 1999 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1795 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 163 HP | 138 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 234 Nm | 175 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 80.5 mm |
| Engine Stroke Size | 77.4 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1320 kg | 1278 kg |
| Vehicle Length | 4480 mm | 4260 mm |
| Vehicle Width | 1740 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 52 L |
