2004 Audi A4 vs. 1956 Rover P4
To start off, 2004 Audi A4 is newer by 48 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 would be higher. At 2,638 cc (6 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (161 HP @ 4000 RPM) has 53 more horse power than 1956 Rover P4. (108 HP @ 4250 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 74 kg more than 1956 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1956 Rover P4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1956 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 Audi A4 (350 Nm @ 1500 RPM) has 144 more torque (in Nm) than 1956 Rover P4. (206 Nm @ 2500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4. 1956 Rover P4 has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1956 Rover P4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 1956 Rover P4 | |
| Make | Audi | Rover |
| Model | A4 | P4 |
| Year Released | 2004 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2638 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 161 HP | 108 HP |
| Engine RPM | 4000 RPM | 4250 RPM |
| Torque | 350 Nm | 206 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Bore Size | 78.3 mm | 73 mm |
| Engine Stroke Size | 86.4 mm | 105 mm |
| Engine Compression Ratio | 18.0:1 | 8.5:1 |
| Top Speed | 225 km/hour | 151 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1486 kg |
| Vehicle Length | 4590 mm | 4530 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Tank Capacity | 70 L | 52 L |
