1991 Audi 100 vs. 1991 Opel Astra
To start off, both 1991 Audi 100 and 1991 Opel Astra were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (172 HP @ 5500 RPM) has 116 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1991 Audi 100 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 500 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.
Compare all specifications:
| 1991 Audi 100 | 1991 Opel Astra | |
| Make | Audi | Opel |
| Model | 100 | Astra |
| Year Released | 1991 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 1700 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 172 HP | 56 HP |
| Engine RPM | 5500 RPM | 4600 RPM |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1550 kg | 1050 kg |
| Vehicle Length | 4800 mm | 4060 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2530 mm |
