1978 Bitter Diplomat vs. 1991 Chevrolet Lumina
To start off, 1991 Chevrolet Lumina is newer by 13 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, 1978 Bitter Diplomat (227 HP @ 4700 RPM) has 29 more horse power than 1991 Chevrolet Lumina. (198 HP @ 5000 RPM). In normal driving conditions, 1978 Bitter Diplomat should accelerate faster than 1991 Chevrolet Lumina. With that said, vehicle weight also plays an important factor in acceleration. 1978 Bitter Diplomat weights approximately 150 kg more than 1991 Chevrolet Lumina. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Bitter Diplomat is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Bitter Diplomat. However, in wet, icy, snow, or gravel driving conditions, 1991 Chevrolet Lumina, being front wheel drive (FWD), will offer much better control with better grip. 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, 1978 Bitter Diplomat (419 Nm @ 3100 RPM) has 128 more torque (in Nm) than 1991 Chevrolet Lumina. (291 Nm @ 4400 RPM). This means 1978 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet Lumina.
Compare all specifications:
| 1978 Bitter Diplomat | 1991 Chevrolet Lumina | |
| Make | Bitter | Chevrolet |
| Model | Diplomat | Lumina |
| Year Released | 1978 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 3352 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 227 HP | 198 HP |
| Engine RPM | 4700 RPM | 5000 RPM |
| Torque | 419 Nm | 291 Nm |
| Torque RPM | 3100 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Vehicle Weight | 1680 kg | 1530 kg |
| Vehicle Length | 4860 mm | 5040 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1290 mm | 1350 mm |
| Wheelbase Size | 2690 mm | 2740 mm |
