1978 Bitter Diplomat vs. 2011 BMW X5
To start off, 2011 BMW X5 is newer by 33 year(s). Which means there will be less support and parts availability for 1978 Bitter Diplomat. In addition, the cost of maintenance, including insurance, on 1978 Bitter Diplomat would be higher. At 5,354 cc (8 cylinders), 1978 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 2011 BMW X5 (400 HP @ 5500 RPM) has 173 more horse power than 1978 Bitter Diplomat. (227 HP @ 4700 RPM) In normal driving conditions, 2011 BMW X5 should accelerate faster than 1978 Bitter Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X5 weights approximately 760 kg more than 1978 Bitter Diplomat. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1978 Bitter Diplomat. In wet, icy, snow, or gravel driving conditions, 2011 BMW X5 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, 2011 BMW X5 (609 Nm @ 1750 RPM) has 190 more torque (in Nm) than 1978 Bitter Diplomat. (419 Nm @ 3100 RPM). This means 2011 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Bitter Diplomat.
Compare all specifications:
| 1978 Bitter Diplomat | 2011 BMW X5 | |
| Make | Bitter | BMW |
| Model | Diplomat | X5 |
| Year Released | 1978 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 4400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 227 HP | 400 HP |
| Engine RPM | 4700 RPM | 5500 RPM |
| Torque | 419 Nm | 609 Nm |
| Torque RPM | 3100 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Vehicle Weight | 1680 kg | 2440 kg |
| Vehicle Length | 4860 mm | 4857 mm |
| Vehicle Width | 1850 mm | 1933 mm |
| Vehicle Height | 1290 mm | 1776 mm |
| Wheelbase Size | 2690 mm | 2934 mm |
