1968 Audi Super 90 vs. 2006 Audi RS4
To start off, 2006 Audi RS4 is newer by 38 year(s). Which means there will be less support and parts availability for 1968 Audi Super 90. In addition, the cost of maintenance, including insurance, on 1968 Audi Super 90 would be higher. At 4,162 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (414 HP @ 7800 RPM) has 327 more horse power than 1968 Audi Super 90. (87 HP @ 5200 RPM) In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1968 Audi Super 90. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 730 kg more than 1968 Audi Super 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1968 Audi Super 90. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 283 more torque (in Nm) than 1968 Audi Super 90. (147 Nm @ 3000 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1968 Audi Super 90.
Compare all specifications:
| 1968 Audi Super 90 | 2006 Audi RS4 | |
| Make | Audi | Audi |
| Model | Super 90 | RS4 |
| Year Released | 1968 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1761 cc | 4162 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 87 HP | 414 HP |
| Engine RPM | 5200 RPM | 7800 RPM |
| Torque | 147 Nm | 430 Nm |
| Torque RPM | 3000 RPM | 5500 RPM |
| Engine Bore Size | 81.5 mm | 84.5 mm |
| Engine Stroke Size | 84.4 mm | 92.8 mm |
| Engine Compression Ratio | 10.6:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 163 km/hour | 250 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 980 kg | 1710 kg |
| Vehicle Length | 4390 mm | 4590 mm |
| Vehicle Width | 1630 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2660 mm |
| Fuel Tank Capacity | 53 L | 70 L |
