2005 Audi S4 vs. 1951 Singer SM 1500
To start off, 2005 Audi S4 is newer by 54 year(s). Which means there will be less support and parts availability for 1951 Singer SM 1500. In addition, the cost of maintenance, including insurance, on 1951 Singer SM 1500 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 293 more horse power than 1951 Singer SM 1500. (47 HP @ 4200 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1951 Singer SM 1500. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 1000 kg more than 1951 Singer SM 1500. 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 312 more torque (in Nm) than 1951 Singer SM 1500. (98 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1951 Singer SM 1500.
Compare all specifications:
| 2005 Audi S4 | 1951 Singer SM 1500 | |
| Make | Audi | Singer |
| Model | S4 | SM 1500 |
| Year Released | 2005 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 1495 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 47 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 410 Nm | 98 Nm |
| Engine Bore Size | 85 mm | 73 mm |
| Engine Stroke Size | 93 mm | 89.4 mm |
| Engine Compression Ratio | 11.0:1 | 7.0:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 840 kg |
| Vehicle Length | 4580 mm | 3860 mm |
| Vehicle Width | 1780 mm | 1480 mm |
| Vehicle Height | 1400 mm | 1240 mm |
| Wheelbase Size | 2660 mm | 2320 mm |
