2005 Audi A4 vs. 1971 Audi 100
To start off, 2005 Audi A4 is newer by 34 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 1,781 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (180 HP @ 5700 RPM) has 101 more horse power than 1971 Audi 100. (79 HP @ 5000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1971 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 425 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.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Audi 100. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (240 Nm @ 1950 RPM) has 104 more torque (in Nm) than 1971 Audi 100. (136 Nm @ 3000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Audi 100.
Compare all specifications:
| 2005 Audi A4 | 1971 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2005 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1760 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 180 HP | 79 HP |
| Engine RPM | 5700 RPM | 5000 RPM |
| Torque | 240 Nm | 136 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1475 kg | 1050 kg |
| Vehicle Length | 4550 mm | 4590 mm |
| Vehicle Width | 1770 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2690 mm |
