1998 Audi A6 vs. 1991 Opel Astra
To start off, 1998 Audi A6 is newer by 7 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 1,781 cc (4 cylinders), 1998 Audi A6 is equipped with a bigger engine. In terms of performance, 1998 Audi A6 (123 HP @ 5800 RPM) has 41 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 1998 Audi A6 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Audi A6 weights approximately 315 kg more than 1991 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, both vehicles can yield 168 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1998 Audi A6 | 1991 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 1998 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 82 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Torque | 168 Nm | 168 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Engine Compression Ratio | 10.3:1 | 22.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1445 kg | 1130 kg |
| Vehicle Length | 4800 mm | 4060 mm |
| Vehicle Width | 1820 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2640 mm |
