2005 Audi A4 vs. 1964 Porsche 904
To start off, 2005 Audi A4 is newer by 41 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 2,981 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 6300 RPM) has 62 more horse power than 1964 Porsche 904. (155 HP @ 6900 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1964 Porsche 904. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 960 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 2005 Audi A4 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, 2005 Audi A4 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, 2005 Audi A4 (300 Nm @ 3200 RPM) has 131 more torque (in Nm) than 1964 Porsche 904. (169 Nm @ 5000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1964 Porsche 904.
Compare all specifications:
| 2005 Audi A4 | 1964 Porsche 904 | |
| Make | Audi | Porsche |
| Model | A4 | 904 |
| Year Released | 2005 | 1964 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2981 cc | 1966 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Horse Power | 217 HP | 155 HP |
| Engine RPM | 6300 RPM | 6900 RPM |
| Torque | 300 Nm | 169 Nm |
| Torque RPM | 3200 RPM | 5000 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 74 mm |
| Engine Compression Ratio | 11.0:1 | 9.8:1 |
| Top Speed | 236 km/hour | 253 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1610 kg | 650 kg |
| Vehicle Length | 4550 mm | 4100 mm |
| Vehicle Width | 1780 mm | 1550 mm |
| Vehicle Height | 1430 mm | 1070 mm |
| Wheelbase Size | 2660 mm | 2310 mm |
