2007 Audi A3 vs. 1991 Audi 100
To start off, 2007 Audi A3 is newer by 16 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 (172 HP @ 5500 RPM) has 24 more horse power than 2007 Audi A3. (148 HP @ 6000 RPM) In normal driving conditions, 1991 Audi 100 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 156 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Audi 100 (250 Nm @ 3000 RPM) has 50 more torque (in Nm) than 2007 Audi A3. (200 Nm @ 3500 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A3 | 100 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 172 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 200 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1350 kg | 1506 kg |
| Vehicle Length | 4210 mm | 4800 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1450 mm |
