2005 Mazda 6 vs. 1968 Opel Diplomat
To start off, 2005 Mazda 6 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 67 more horse power than 2005 Mazda 6. (160 HP @ 6500 RPM) In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 260 kg more than 2005 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1968 Opel Diplomat is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1968 Opel Diplomat. However, in wet, icy, snow, or gravel driving conditions, 2005 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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) has 197 more torque (in Nm) than 2005 Mazda 6. (230 Nm). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6.
Compare all specifications:
| 2005 Mazda 6 | 1968 Opel Diplomat | |
| Make | Mazda | Opel |
| Model | 6 | Diplomat |
| Year Released | 2005 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 5354 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 160 HP | 227 HP |
| Engine RPM | 6500 RPM | 4700 RPM |
| Torque | 230 Nm | 427 Nm |
| Engine Bore Size | 87 mm | 101.6 mm |
| Engine Stroke Size | 94 mm | 82.6 mm |
| Engine Compression Ratio | 9.7:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1690 kg |
| Vehicle Length | 4750 mm | 4960 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2680 mm | 2850 mm |
| Fuel Tank Capacity | 68 L | 80 L |
