2006 BMW 325 vs. 1957 BMW 503
To start off, 2006 BMW 325 is newer by 49 year(s). Which means there will be less support and parts availability for 1957 BMW 503. In addition, the cost of maintenance, including insurance, on 1957 BMW 503 would be higher. At 3,168 cc (8 cylinders), 1957 BMW 503 is equipped with a bigger engine. In terms of performance, 2006 BMW 325 (215 HP @ 6250 RPM) has 77 more horse power than 1957 BMW 503. (138 HP @ 4800 RPM). In normal driving conditions, 2006 BMW 325 should accelerate faster than 1957 BMW 503.
Let's talk about torque, 2006 BMW 325 (251 Nm @ 2750 RPM) has 29 more torque (in Nm) than 1957 BMW 503. (222 Nm @ 2500 RPM). This means 2006 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1957 BMW 503.
Compare all specifications:
| 2006 BMW 325 | 1957 BMW 503 | |
| Make | BMW | BMW |
| Model | 325 | 503 |
| Year Released | 2006 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2997 cc | 3168 cc |
| Horse Power | 215 HP | 138 HP |
| Engine RPM | 6250 RPM | 4800 RPM |
| Torque | 251 Nm | 222 Nm |
| Torque RPM | 2750 RPM | 2500 RPM |
| Engine Bore Size | 85.1 mm | 82 mm |
| Engine Stroke Size | 87.9 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4530 mm | 4760 mm |
| Vehicle Width | 1820 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Tank Capacity | 61 L | 75 L |
