2006 Audi A4 vs. 1977 Audi 100
To start off, 2006 Audi A4 is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Audi 100. In addition, the cost of maintenance, including insurance, on 1977 Audi 100 would be higher. At 2,144 cc (5 cylinders), 1977 Audi 100 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (170 HP @ 5900 RPM) has 55 more horse power than 1977 Audi 100. (115 HP @ 5500 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1977 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 490 kg more than 1977 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Audi 100. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A4 (226 Nm @ 1950 RPM) has 60 more torque (in Nm) than 1977 Audi 100. (166 Nm @ 4000 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi 100.
Compare all specifications:
| 2006 Audi A4 | 1977 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2006 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 2144 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 115 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 226 Nm | 166 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1650 kg | 1160 kg |
| Vehicle Length | 4580 mm | 4690 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2680 mm |
| Fuel Tank Capacity | 70 L | 58 L |
