1977 Bitter Diplomat vs. 1975 BMW 315
To start off, 1977 Bitter Diplomat is newer by 2 year(s). Which means there will be less support and parts availability for 1975 BMW 315. In addition, the cost of maintenance, including insurance, on 1975 BMW 315 would be higher. At 5,354 cc (8 cylinders), 1977 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 1977 Bitter Diplomat (227 HP @ 4700 RPM) has 152 more horse power than 1975 BMW 315. (75 HP @ 5800 RPM). In normal driving conditions, 1977 Bitter Diplomat should accelerate faster than 1975 BMW 315. With that said, vehicle weight also plays an important factor in acceleration. 1977 Bitter Diplomat weights approximately 670 kg more than 1975 BMW 315. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1977 Bitter Diplomat (419 Nm @ 3100 RPM) has 309 more torque (in Nm) than 1975 BMW 315. (110 Nm @ 3200 RPM). This means 1977 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 315.
Compare all specifications:
| 1977 Bitter Diplomat | 1975 BMW 315 | |
| Make | Bitter | BMW |
| Model | Diplomat | 315 |
| Year Released | 1977 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 1574 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 227 HP | 75 HP |
| Engine RPM | 4700 RPM | 5800 RPM |
| Torque | 419 Nm | 110 Nm |
| Torque RPM | 3100 RPM | 3200 RPM |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1680 kg | 1010 kg |
| Vehicle Length | 4860 mm | 4360 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1290 mm | 1390 mm |
| Wheelbase Size | 2690 mm | 2510 mm |
