1971 Audi 100 vs. 1999 Audi A4
To start off, 1999 Audi A4 is newer by 28 year(s). Which means there will be less support and parts availability for 1971 Audi 100. In addition, the cost of maintenance, including insurance, on 1971 Audi 100 would be higher. At 1,871 cc (4 cylinders), 1971 Audi 100 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 5700 RPM) has 139 more horse power than 1971 Audi 100. (109 HP @ 5600 RPM) In normal driving conditions, 1999 Audi A4 should accelerate faster than 1971 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 250 kg more than 1971 Audi 100. 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, 1999 Audi A4 (320 Nm @ 1750 RPM) has 159 more torque (in Nm) than 1971 Audi 100. (161 Nm @ 3500 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Audi 100.
Compare all specifications:
| 1971 Audi 100 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | 100 | A4 |
| Year Released | 1971 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1871 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 248 HP |
| Engine RPM | 5600 RPM | 5700 RPM |
| Torque | 161 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 84.4 mm | 86.4 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1050 kg | 1300 kg |
| Vehicle Length | 4590 mm | 4480 mm |
| Vehicle Width | 1730 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2690 mm | 2620 mm |
