1991 Audi 80 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Audi 80. In addition, the cost of maintenance, including insurance, on 1991 Audi 80 would be higher. At 2,974 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 6300 RPM) has 129 more horse power than 1991 Audi 80. (88 HP @ 4000 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 1991 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 215 kg more than 1991 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 A4 (300 Nm @ 3200 RPM) has 118 more torque (in Nm) than 1991 Audi 80. (182 Nm @ 2300 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 80.
Compare all specifications:
| 1991 Audi 80 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | 80 | A4 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2974 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 88 HP | 217 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 182 Nm | 300 Nm |
| Torque RPM | 2300 RPM | 3200 RPM |
| Engine Bore Size | 79.5 mm | 82.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 21.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 175 km/hour | 243 km/hour |
| Acceleration 0-100mph | 14.1 seconds | 7.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1270 kg | 1485 kg |
| Vehicle Length | 4490 mm | 4550 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2660 mm |
| Fuel Consumption Overall | 4.8 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
