2009 Audi A3 vs. 1991 Audi 100
To start off, 2009 Audi A3 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 Audi A3 (197 HP @ 6000 RPM) has 24 more horse power than 1991 Audi 100. (173 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 470 kg more than 2009 Audi A3.
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, 2009 Audi A3 (280 Nm @ 1800 RPM) has 31 more torque (in Nm) than 1991 Audi 100. (249 Nm @ 3000 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2009 Audi A3 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A3 | 100 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1982 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 173 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 280 Nm | 249 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 234 km/hour | 214 km/hour |
| Acceleration 0-100mph | 7 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 930 kg | 1400 kg |
| Vehicle Length | 4290 mm | 4800 mm |
| Vehicle Width | 1430 mm | 1790 mm |
| Vehicle Height | 1770 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2700 mm |
