2009 BMW 325 vs. 1968 Opel Diplomat
To start off, 2009 BMW 325 is newer by 41 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 12 more horse power than 2009 BMW 325. (215 HP @ 6500 RPM) In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 2009 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 15 kg more than 2009 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 1968 Opel Diplomat. In wet, icy, snow, or gravel driving conditions, 2009 BMW 325 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1968 Opel Diplomat (427 Nm @ 3000 RPM) has 177 more torque (in Nm) than 2009 BMW 325. (250 Nm @ 2750 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325. 1968 Opel Diplomat has automatic transmission and 2009 BMW 325 has manual transmission. 2009 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1968 Opel Diplomat will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 325 | 1968 Opel Diplomat | |
| Make | BMW | Opel |
| Model | 325 | Diplomat |
| Year Released | 2009 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 5354 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 227 HP |
| Engine RPM | 6500 RPM | 4700 RPM |
| Torque | 250 Nm | 427 Nm |
| Torque RPM | 2750 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 101.6 mm |
| Engine Stroke Size | 78.8 mm | 82.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Top Speed | 240 km/hour | 202 km/hour |
| Acceleration 0-100mph | 8 seconds | 10.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1675 kg | 1690 kg |
| Vehicle Length | 4530 mm | 4960 mm |
| Vehicle Width | 1820 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2850 mm |
| Fuel Tank Capacity | 63 L | 80 L |
