1971 Audi 100 vs. 2009 Audi RS4
To start off, 2009 Audi RS4 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 4,163 cc (8 cylinders), 2009 Audi RS4 is equipped with a bigger engine. In terms of performance, 2009 Audi RS4 (414 HP @ 7800 RPM) has 305 more horse power than 1971 Audi 100. (109 HP @ 5600 RPM) In normal driving conditions, 2009 Audi RS4 should accelerate faster than 1971 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS4 weights approximately 795 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.
Because 2009 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Audi 100. In wet, icy, snow, or gravel driving conditions, 2009 Audi RS4 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, 2009 Audi RS4 (430 Nm @ 5500 RPM) has 269 more torque (in Nm) than 1971 Audi 100. (161 Nm @ 3500 RPM). This means 2009 Audi RS4 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 RS4 | |
| Make | Audi | Audi |
| Model | 100 | RS4 |
| Year Released | 1971 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1871 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 109 HP | 414 HP |
| Engine RPM | 5600 RPM | 7800 RPM |
| Torque | 161 Nm | 430 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Engine Bore Size | 84 mm | 84.5 mm |
| Engine Stroke Size | 84.4 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1050 kg | 1845 kg |
| Vehicle Length | 4590 mm | 4560 mm |
| Vehicle Width | 1730 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2690 mm | 2660 mm |
