2005 Audi S4 vs. 1949 Rover P4
To start off, 2005 Audi S4 is newer by 56 year(s). Which means there will be less support and parts availability for 1949 Rover P4. In addition, the cost of maintenance, including insurance, on 1949 Rover P4 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 266 more horse power than 1949 Rover P4. (74 HP @ 4200 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1949 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 334 kg more than 1949 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 260 more torque (in Nm) than 1949 Rover P4. (150 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1949 Rover P4.
Compare all specifications:
| 2005 Audi S4 | 1949 Rover P4 | |
| Make | Audi | Rover |
| Model | S4 | P4 |
| Year Released | 2005 | 1949 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2102 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 74 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 410 Nm | 150 Nm |
| Engine Bore Size | 85 mm | 65.2 mm |
| Engine Stroke Size | 93 mm | 105 mm |
| Engine Compression Ratio | 11.0:1 | 7.3:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1451 kg |
| Vehicle Length | 4550 mm | 4590 mm |
| Vehicle Width | 1770 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1620 mm |
| Wheelbase Size | 2470 mm | 2830 mm |
| Fuel Tank Capacity | 66 L | 52 L |
