1991 Audi 100 vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 18 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, 2009 Opel Astra (197 HP @ 5400 RPM) has 25 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM) In normal driving conditions, 2009 Opel Astra should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Opel Astra weights approximately 119 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Opel Astra (262 Nm @ 1950 RPM) has 12 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 2009 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 2009 Opel Astra | |
| Make | Audi | Opel |
| Model | 100 | Astra |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 172 HP | 197 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 250 Nm | 262 Nm |
| Torque RPM | 3000 RPM | 1950 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1506 kg | 1625 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1440 mm |
