1986 BMW 628 vs. 1989 BMW 750
To start off, 1989 BMW 750 is newer by 3 year(s). Which means there will be less support and parts availability for 1986 BMW 628. In addition, the cost of maintenance, including insurance, on 1986 BMW 628 would be higher. At 4,988 cc (12 cylinders), 1989 BMW 750 is equipped with a bigger engine. In terms of performance, 1989 BMW 750 (295 HP @ 5200 RPM) has 114 more horse power than 1986 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 1989 BMW 750 should accelerate faster than 1986 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 1989 BMW 750 weights approximately 330 kg more than 1986 BMW 628. 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, 1989 BMW 750 (450 Nm @ 4100 RPM) has 210 more torque (in Nm) than 1986 BMW 628. (240 Nm @ 4000 RPM). This means 1989 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 628. 1989 BMW 750 has automatic transmission and 1986 BMW 628 has manual transmission. 1986 BMW 628 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 BMW 750 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 BMW 628 | 1989 BMW 750 | |
| Make | BMW | BMW |
| Model | 628 | 750 |
| Year Released | 1986 | 1989 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 4988 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 181 HP | 295 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 240 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Compression Ratio | 9.3:1 | 8.8:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1800 kg |
| Vehicle Length | 4760 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1420 mm |
| Wheelbase Size | 2640 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 120 L |
