2005 BMW 325 vs. 1968 Opel Diplomat
To start off, 2005 BMW 325 is newer by 37 year(s). Which means there will be less support and parts availability for 1968 Opel Diplomat. In addition, the cost of maintenance, including insurance, on 1968 Opel Diplomat would be higher. At 5,354 cc (8 cylinders), 1968 Opel Diplomat is equipped with a bigger engine. In terms of performance, 1968 Opel Diplomat (227 HP @ 4700 RPM) has 37 more horse power than 2005 BMW 325. (190 HP @ 7400 RPM) In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 60 kg more than 2005 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, 1968 Opel Diplomat (427 Nm) has 190 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 1968 Opel Diplomat | |
| Make | BMW | Opel |
| Model | 325 | Diplomat |
| Year Released | 2005 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 5354 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 190 HP | 227 HP |
| Engine RPM | 7400 RPM | 4700 RPM |
| Torque | 237 Nm | 427 Nm |
| Engine Bore Size | 84 mm | 101.6 mm |
| Engine Stroke Size | 75 mm | 82.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1690 kg |
| Vehicle Length | 4480 mm | 4960 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2830 mm | 2850 mm |
| Fuel Tank Capacity | 63 L | 80 L |
