2003 Audi RS6 vs. 1964 Porsche 904
To start off, 2003 Audi RS6 is newer by 39 year(s). Which means there will be less support and parts availability for 1964 Porsche 904. In addition, the cost of maintenance, including insurance, on 1964 Porsche 904 would be higher. At 4,163 cc (8 cylinders), 2003 Audi RS6 is equipped with a bigger engine. In terms of performance, 2003 Audi RS6 (444 HP @ 6300 RPM) has 289 more horse power than 1964 Porsche 904. (155 HP @ 6900 RPM). In normal driving conditions, 2003 Audi RS6 should accelerate faster than 1964 Porsche 904. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS6 weights approximately 1190 kg more than 1964 Porsche 904. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1964 Porsche 904. In wet, icy, snow, or gravel driving conditions, 2003 Audi RS6 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, 2003 Audi RS6 (560 Nm @ 1950 RPM) has 391 more torque (in Nm) than 1964 Porsche 904. (169 Nm @ 5000 RPM). This means 2003 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1964 Porsche 904.
Compare all specifications:
| 2003 Audi RS6 | 1964 Porsche 904 | |
| Make | Audi | Porsche |
| Model | RS6 | 904 |
| Year Released | 2003 | 1964 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4163 cc | 1966 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Horse Power | 444 HP | 155 HP |
| Engine RPM | 6300 RPM | 6900 RPM |
| Torque | 560 Nm | 169 Nm |
| Torque RPM | 1950 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 93 mm | 74 mm |
| Engine Compression Ratio | 9.0:1 | 9.8:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1840 kg | 650 kg |
| Vehicle Length | 4800 mm | 4100 mm |
| Vehicle Width | 1820 mm | 1550 mm |
| Vehicle Height | 1460 mm | 1070 mm |
| Wheelbase Size | 2760 mm | 2310 mm |
