1978 Audi 100 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 29 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 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 182 more horse power than 1978 Audi 100. (70 HP @ 4800 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 488 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.
Let's talk about torque, 2007 Audi A4 (330 Nm @ 3250 RPM) has 205 more torque (in Nm) than 1978 Audi 100. (125 Nm @ 3000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | 100 | A4 |
| Year Released | 1978 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1986 cc | 3123 cc |
| Horse Power | 70 HP | 252 HP |
| Engine RPM | 4800 RPM | 5100 RPM |
| Torque | 125 Nm | 330 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Bore Size | 76.5 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 23.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1210 kg | 1698 kg |
| Vehicle Length | 4690 mm | 4580 mm |
| Vehicle Width | 1770 mm | 1400 mm |
| Vehicle Height | 1400 mm | 1780 mm |
| Wheelbase Size | 2680 mm | 2660 mm |
| Fuel Tank Capacity | 60 L | 70 L |
