1983 BMW 628 vs. 1985 Porsche 928
To start off, 1985 Porsche 928 is newer by 2 year(s). Which means there will be less support and parts availability for 1983 BMW 628. In addition, the cost of maintenance, including insurance, on 1983 BMW 628 would be higher. At 4,662 cc (8 cylinders), 1985 Porsche 928 is equipped with a bigger engine. In terms of performance, 1985 Porsche 928 (310 HP @ 5900 RPM) has 129 more horse power than 1983 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 1985 Porsche 928 should accelerate faster than 1983 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 1983 BMW 628 weights approximately 120 kg more than 1985 Porsche 928.
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, 1985 Porsche 928 (400 Nm @ 4500 RPM) has 159 more torque (in Nm) than 1983 BMW 628. (241 Nm @ 4000 RPM). This means 1985 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 628. 1985 Porsche 928 has automatic transmission and 1983 BMW 628 has manual transmission. 1983 BMW 628 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1985 Porsche 928 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1983 BMW 628 | 1985 Porsche 928 | |
| Make | BMW | Porsche |
| Model | 628 | 928 |
| Year Released | 1983 | 1985 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 4662 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 181 HP | 310 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 241 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 86 mm | 97 mm |
| Engine Stroke Size | 80 mm | 78.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1350 kg |
| Vehicle Length | 4760 mm | 4450 mm |
| Vehicle Width | 1730 mm | 1840 mm |
| Vehicle Height | 1370 mm | 1290 mm |
| Wheelbase Size | 2640 mm | 2510 mm |
