1986 BMW 628 vs. 1978 Porsche 930
To start off, 1986 BMW 628 is newer by 8 year(s). Which means there will be less support and parts availability for 1978 Porsche 930. In addition, the cost of maintenance, including insurance, on 1978 Porsche 930 would be higher. At 3,299 cc (6 cylinders), 1978 Porsche 930 is equipped with a bigger engine. In terms of performance, 1978 Porsche 930 (296 HP @ 5500 RPM) has 115 more horse power than 1986 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 1978 Porsche 930 should accelerate faster than 1986 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 628 weights approximately 170 kg more than 1978 Porsche 930.
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, 1978 Porsche 930 (431 Nm @ 4000 RPM) has 191 more torque (in Nm) than 1986 BMW 628. (240 Nm @ 4000 RPM). This means 1978 Porsche 930 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 628.
Compare all specifications:
| 1986 BMW 628 | 1978 Porsche 930 | |
| Make | BMW | Porsche |
| Model | 628 | 930 |
| Year Released | 1986 | 1978 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2788 cc | 3299 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 181 HP | 296 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 240 Nm | 431 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 97.1 mm |
| Engine Stroke Size | 80 mm | 74.4 mm |
| Engine Compression Ratio | 9.3:1 | 7.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1300 kg |
| Vehicle Length | 4760 mm | 4300 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2640 mm | 2510 mm |
