1978 Audi 100 vs. 2003 Audi A6
To start off, 2003 Audi A6 is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Audi 100. In addition, the cost of maintenance, including insurance, on 1978 Audi 100 would be higher. At 2,698 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (178 HP @ 3300 RPM) has 108 more horse power than 1978 Audi 100. (70 HP @ 4800 RPM) In normal driving conditions, 2003 Audi A6 should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 485 kg more than 1978 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, 2003 Audi A6 (370 Nm @ 1400 RPM) has 245 more torque (in Nm) than 1978 Audi 100. (125 Nm @ 3000 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 2003 Audi A6 | |
| Make | Audi | Audi |
| Model | 100 | A6 |
| Year Released | 1978 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1986 cc | 2698 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 70 HP | 178 HP |
| Engine RPM | 4800 RPM | 3300 RPM |
| Torque | 125 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 1400 RPM |
| Engine Bore Size | 76.5 mm | 83.1 mm |
| Engine Stroke Size | 86.4 mm | 83.1 mm |
| Engine Compression Ratio | 23.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1210 kg | 1695 kg |
| Vehicle Length | 4690 mm | 4940 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2850 mm |
| Fuel Tank Capacity | 60 L | 70 L |
