2004 BMW 325 vs. 1973 Mercedes-Benz 450
To start off, 2004 BMW 325 is newer by 31 year(s). Which means there will be less support and parts availability for 1973 Mercedes-Benz 450. In addition, the cost of maintenance, including insurance, on 1973 Mercedes-Benz 450 would be higher. At 4,519 cc (8 cylinders), 1973 Mercedes-Benz 450 is equipped with a bigger engine. In terms of performance, 1973 Mercedes-Benz 450 (225 HP @ 5000 RPM) has 41 more horse power than 2004 BMW 325. (184 HP @ 7250 RPM) In normal driving conditions, 1973 Mercedes-Benz 450 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercedes-Benz 450 weights approximately 40 kg more than 2004 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1973 Mercedes-Benz 450 (378 Nm) has 141 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 1973 Mercedes-Benz 450 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2004 BMW 325 | 1973 Mercedes-Benz 450 | |
| Make | BMW | Mercedes-Benz |
| Model | 325 | 450 |
| Year Released | 2004 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 4519 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 184 HP | 225 HP |
| Engine RPM | 7250 RPM | 5000 RPM |
| Torque | 237 Nm | 378 Nm |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 85 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1595 kg | 1635 kg |
| Vehicle Length | 4480 mm | 4760 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1340 mm |
| Wheelbase Size | 2730 mm | 2820 mm |
| Fuel Tank Capacity | 63 L | 90 L |
