1971 Audi 100 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Audi 100. In addition, the cost of maintenance, including insurance, on 1971 Audi 100 would be higher. At 2,698 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 3500 RPM) has 108 more horse power than 1971 Audi 100. (79 HP @ 5000 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 1971 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 620 kg more than 1971 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, 2009 Audi A4 (400 Nm @ 1400 RPM) has 264 more torque (in Nm) than 1971 Audi 100. (136 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Audi 100.
Compare all specifications:
| 1971 Audi 100 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | 100 | A4 |
| Year Released | 1971 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1760 cc | 2698 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 79 HP | 187 HP |
| Engine RPM | 5000 RPM | 3500 RPM |
| Torque | 136 Nm | 400 Nm |
| Torque RPM | 3000 RPM | 1400 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1050 kg | 1670 kg |
| Vehicle Length | 4590 mm | 4710 mm |
| Vehicle Width | 1730 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2810 mm |
