1977 Bitter Diplomat vs. 2013 Jaguar XJ
To start off, 2013 Jaguar XJ is newer by 36 year(s). Which means there will be less support and parts availability for 1977 Bitter Diplomat. In addition, the cost of maintenance, including insurance, on 1977 Bitter Diplomat would be higher. At 5,354 cc (8 cylinders), 1977 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 2013 Jaguar XJ (380 HP @ 6500 RPM) has 153 more horse power than 1977 Bitter Diplomat. (227 HP @ 4700 RPM) In normal driving conditions, 2013 Jaguar XJ should accelerate faster than 1977 Bitter Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 2013 Jaguar XJ weights approximately 190 kg more than 1977 Bitter Diplomat. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Jaguar XJ is all wheel drive (AWD), it will have significant more traction and grip than 1977 Bitter Diplomat. In wet, icy, snow, or gravel driving conditions, 2013 Jaguar XJ 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, 2013 Jaguar XJ (450 Nm @ 5000 RPM) has 31 more torque (in Nm) than 1977 Bitter Diplomat. (419 Nm @ 3100 RPM). This means 2013 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1977 Bitter Diplomat.
Compare all specifications:
| 1977 Bitter Diplomat | 2013 Jaguar XJ | |
| Make | Bitter | Jaguar |
| Model | Diplomat | XJ |
| Year Released | 1977 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 5000 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | W |
| Horse Power | 227 HP | 380 HP |
| Engine RPM | 4700 RPM | 6500 RPM |
| Torque | 419 Nm | 450 Nm |
| Torque RPM | 3100 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | AWD |
| Vehicle Weight | 1680 kg | 1870 kg |
| Vehicle Length | 4860 mm | 5252 mm |
| Vehicle Width | 1850 mm | 2105 mm |
| Vehicle Height | 1290 mm | 1456 mm |
| Wheelbase Size | 2690 mm | 3157 mm |
