2004 Audi A4 vs. 1977 Audi 100
To start off, 2004 Audi A4 is newer by 27 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 2,496 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (160 HP @ 4000 RPM) has 45 more horse power than 1977 Audi 100. (115 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1977 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 370 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2004 Audi A4 (310 Nm @ 1400 RPM) has 144 more torque (in Nm) than 1977 Audi 100. (166 Nm @ 4000 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi 100.
Compare all specifications:
| 2004 Audi A4 | 1977 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2004 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 160 HP | 115 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 310 Nm | 166 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 78.4 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 18.0:1 | 8.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1160 kg |
| Vehicle Length | 4590 mm | 4690 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2430 mm | 2680 mm |
| Fuel Tank Capacity | 70 L | 58 L |
