1968 Opel Diplomat vs. 2007 Suzuki Grand Vitara
To start off, 2007 Suzuki Grand Vitara 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, 1968 Opel Diplomat (227 HP @ 4700 RPM) has 99 more horse power than 2007 Suzuki Grand Vitara. (128 HP @ 3750 RPM). In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 2007 Suzuki Grand Vitara. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 25 kg more than 2007 Suzuki Grand Vitara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Suzuki Grand Vitara 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 Suzuki Grand Vitara 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 127 more torque (in Nm) than 2007 Suzuki Grand Vitara. (300 Nm @ 2000 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2007 Suzuki Grand Vitara. 1968 Opel Diplomat has automatic transmission and 2007 Suzuki Grand Vitara has manual transmission. 2007 Suzuki Grand Vitara 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:
| 1968 Opel Diplomat | 2007 Suzuki Grand Vitara | |
| Make | Opel | Suzuki |
| Model | Diplomat | Grand Vitara |
| Year Released | 1968 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 1870 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 227 HP | 128 HP |
| Engine RPM | 4700 RPM | 3750 RPM |
| Torque | 427 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 101.6 mm | 80 mm |
| Engine Stroke Size | 82.6 mm | 93 mm |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Top Speed | 202 km/hour | 170 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 13.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1665 kg |
| Vehicle Length | 4960 mm | 4460 mm |
| Vehicle Width | 1910 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1690 mm |
| Wheelbase Size | 2850 mm | 2650 mm |
| Fuel Tank Capacity | 80 L | 66 L |
