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 2,496 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (178 HP @ 4000 RPM) has 63 more horse power than 1991 Audi 80. (115 HP @ 5400 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 350 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.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 80. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. 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 (370 Nm @ 1500 RPM) has 202 more torque (in Nm) than 1991 Audi 80. (168 Nm @ 3200 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 | 1984 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 115 HP | 178 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 168 Nm | 370 Nm |
| Torque RPM | 3200 RPM | 1500 RPM |
| Engine Bore Size | 82.5 mm | 78.3 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 10.4:1 | 18.5:1 |
| Top Speed | 190 km/hour | 226 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1240 kg | 1590 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 Tank Capacity | 66 L | 66 L |
