1991 Audi 100 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (171 HP @ 5500 RPM) has 67 more horse power than 2011 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 1991 Audi 100 should accelerate faster than 2011 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 220 kg more than 2011 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, 1991 Audi 100 (250 Nm @ 3000 RPM) has 100 more torque (in Nm) than 2011 Opel Astra. (150 Nm @ 3900 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2011 Opel Astra.
Compare all specifications:
| 1991 Audi 100 | 2011 Opel Astra | |
| Make | Audi | Opel |
| Model | 100 | Astra |
| Year Released | 1991 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 1589 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 104 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 250 Nm | 150 Nm |
| Torque RPM | 3000 RPM | 3900 RPM |
| Engine Bore Size | 82.5 mm | 79.1 mm |
| Engine Stroke Size | 86.4 mm | 81.5 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Acceleration 0-100mph | 8.3 seconds | 12.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1230 kg |
| Vehicle Length | 4800 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2620 mm |
| Fuel Tank Capacity | 80 L | 52 L |
