1979 Audi 100 vs. 1999 Audi A4
To start off, 1999 Audi A4 is newer by 20 year(s). Which means there will be less support and parts availability for 1979 Audi 100. In addition, the cost of maintenance, including insurance, on 1979 Audi 100 would be higher. At 2,671 cc (6 cylinders), 1999 Audi A4 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (262 HP @ 5800 RPM) has 177 more horse power than 1979 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 1999 Audi A4 should accelerate faster than 1979 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 290 kg more than 1979 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Audi 100. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Audi A4 (400 Nm @ 3600 RPM) has 276 more torque (in Nm) than 1979 Audi 100. (124 Nm @ 3200 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Audi 100.
Compare all specifications:
| 1979 Audi 100 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | 100 | A4 |
| Year Released | 1979 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 262 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 124 Nm | 400 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1110 kg | 1400 kg |
| Vehicle Length | 4600 mm | 4480 mm |
| Vehicle Width | 1770 mm | 1740 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2680 mm | 2620 mm |
| Fuel Tank Capacity | 60 L | 60 L |
