2005 Chevrolet Express vs. 1968 Opel Diplomat
To start off, 2005 Chevrolet Express 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 30 more horse power than 2005 Chevrolet Express. (197 HP @ 4400 RPM) In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 2005 Chevrolet Express. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Express weights approximately 712 kg more than 1968 Opel Diplomat.
Because 2005 Chevrolet Express 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, 2005 Chevrolet Express 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 88 more torque (in Nm) than 2005 Chevrolet Express. (339 Nm @ 2800 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Express.
Compare all specifications:
| 2005 Chevrolet Express | 1968 Opel Diplomat | |
| Make | Chevrolet | Opel |
| Model | Express | Diplomat |
| Year Released | 2005 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 4292 cc | 5354 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 227 HP |
| Engine RPM | 4400 RPM | 4700 RPM |
| Torque | 339 Nm | 427 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Engine Bore Size | 102 mm | 101.6 mm |
| Engine Stroke Size | 88 mm | 82.6 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 8 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2402 kg | 1690 kg |
| Vehicle Length | 5700 mm | 4960 mm |
| Vehicle Width | 2020 mm | 1910 mm |
| Vehicle Height | 2080 mm | 1450 mm |
| Wheelbase Size | 3180 mm | 2850 mm |
| Fuel Tank Capacity | 117 L | 80 L |
