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 2,461 cc (5 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (138 HP @ 4000 RPM) has 25 more horse power than 1991 Audi 100. (113 HP @ 4000 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 578 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 (320 Nm @ 2500 RPM) has 55 more torque (in Nm) than 1991 Audi 100. (265 Nm @ 2250 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 | 1968 cc | 2461 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 113 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 320 Nm | 265 Nm |
| Torque RPM | 2500 RPM | 2250 RPM |
| Engine Bore Size | 81.1 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 95.5 mm |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.5 seconds | 11.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 895 kg | 1473 kg |
| Vehicle Length | 4210 mm | 4810 mm |
| Vehicle Width | 1960 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 2700 mm |
| Fuel Tank Capacity | 55 L | 80 L |
