2005 Audi A4 vs. 1976 Audi 100
To start off, 2005 Audi A4 is newer by 29 year(s). Which means there will be less support and parts availability for 1976 Audi 100. In addition, the cost of maintenance, including insurance, on 1976 Audi 100 would be higher. At 2,142 cc (5 cylinders), 1976 Audi 100 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (180 HP @ 5700 RPM) has 71 more horse power than 1976 Audi 100. (109 HP @ 5600 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1976 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 305 kg more than 1976 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 1976 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 77 more torque (in Nm) than 1976 Audi 100. (163 Nm @ 4000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1976 Audi 100.
Compare all specifications:
| 2005 Audi A4 | 1976 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2005 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2142 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 180 HP | 109 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 240 Nm | 163 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.3:1 | 8.2:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1475 kg | 1170 kg |
| Vehicle Length | 4550 mm | 4690 mm |
| Vehicle Width | 1770 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2680 mm |
| Fuel Tank Capacity | 66 L | 60 L |
