2005 Audi A4 vs. 1977 Audi 100
To start off, 2005 Audi A4 is newer by 28 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 2,967 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 6300 RPM) has 102 more horse power than 1977 Audi 100. (115 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1977 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 345 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 2005 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, 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 (300 Nm @ 3200 RPM) has 134 more torque (in Nm) than 1977 Audi 100. (166 Nm @ 4000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi 100.
Compare all specifications:
| 2005 Audi A4 | 1977 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2005 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 217 HP | 115 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 300 Nm | 166 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 82.6 mm | 79.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 10.5:1 | 8.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1505 kg | 1160 kg |
| Vehicle Length | 4550 mm | 4690 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2680 mm |
| Fuel Tank Capacity | 66 L | 58 L |
