1971 Audi 100 vs. 2005 Audi A4
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 1,871 cc (4 cylinders), 1971 Audi 100 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (174 HP @ 4000 RPM) has 65 more horse power than 1971 Audi 100. (109 HP @ 5600 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 545 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 (230 Nm) has 69 more torque (in Nm) than 1971 Audi 100. (161 Nm). 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:
| 1971 Audi 100 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | 100 | A4 |
| Year Released | 1971 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1871 cc | 1785 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 109 HP | 174 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 161 Nm | 230 Nm |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 84.4 mm | 86 mm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1050 kg | 1595 kg |
| Vehicle Length | 4590 mm | 4550 mm |
| Vehicle Width | 1730 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2660 mm |
