2009 GMC Yukon vs. 1968 Opel Diplomat
To start off, 2009 GMC Yukon 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, 2009 GMC Yukon (320 HP @ 5200 RPM) has 93 more horse power than 1968 Opel Diplomat. (227 HP @ 4700 RPM). In normal driving conditions, 2009 GMC Yukon should accelerate faster than 1968 Opel Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Yukon weights approximately 745 kg more than 1968 Opel Diplomat. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Yukon 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 GMC Yukon 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, 2009 GMC Yukon (461 Nm @ 4200 RPM) has 34 more torque (in Nm) than 1968 Opel Diplomat. (427 Nm @ 3000 RPM). This means 2009 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 1968 Opel Diplomat.
Compare all specifications:
| 2009 GMC Yukon | 1968 Opel Diplomat | |
| Make | GMC | Opel |
| Model | Yukon | Diplomat |
| Year Released | 2009 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 5328 cc | 5354 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 320 HP | 227 HP |
| Engine RPM | 5200 RPM | 4700 RPM |
| Torque | 461 Nm | 427 Nm |
| Torque RPM | 4200 RPM | 3000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 8 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2435 kg | 1690 kg |
| Vehicle Length | 5140 mm | 4960 mm |
| Vehicle Width | 2010 mm | 1910 mm |
| Vehicle Height | 1960 mm | 1450 mm |
| Wheelbase Size | 2950 mm | 2850 mm |
| Fuel Tank Capacity | 98 L | 80 L |
