2007 BMW X3 vs. 1968 Opel Diplomat
To start off, 2007 BMW X3 is newer by 39 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, 2007 BMW X3 (260 HP @ 6600 RPM) has 33 more horse power than 1968 Opel Diplomat. (227 HP @ 4700 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1968 Opel Diplomat.
Because 2007 BMW X3 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, 2007 BMW X3 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 121 more torque (in Nm) than 2007 BMW X3. (306 Nm @ 2750 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3. 1968 Opel Diplomat has automatic transmission and 2007 BMW X3 has manual transmission. 2007 BMW X3 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:
| 2007 BMW X3 | 1968 Opel Diplomat | |
| Make | BMW | Opel |
| Model | X3 | Diplomat |
| Year Released | 2007 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5354 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 260 HP | 227 HP |
| Engine RPM | 6600 RPM | 4700 RPM |
| Torque | 306 Nm | 427 Nm |
| Torque RPM | 2750 RPM | 3000 RPM |
| Engine Bore Size | 85 mm | 101.6 mm |
| Engine Stroke Size | 88 mm | 82.6 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4580 mm | 4960 mm |
| Vehicle Width | 1860 mm | 1910 mm |
| Vehicle Height | 1680 mm | 1450 mm |
| Wheelbase Size | 2800 mm | 2850 mm |
| Fuel Tank Capacity | 67 L | 80 L |
