1986 BMW 628 vs. 1981 Mazda 929
To start off, 1986 BMW 628 is newer by 5 year(s). Which means there will be less support and parts availability for 1981 Mazda 929. In addition, the cost of maintenance, including insurance, on 1981 Mazda 929 would be higher. At 2,788 cc (6 cylinders), 1986 BMW 628 is equipped with a bigger engine. In terms of performance, 1986 BMW 628 (181 HP @ 6000 RPM) has 92 more horse power than 1981 Mazda 929. (89 HP @ 4800 RPM). In normal driving conditions, 1986 BMW 628 should accelerate faster than 1981 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 628 weights approximately 320 kg more than 1981 Mazda 929. 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, 1986 BMW 628 (240 Nm @ 4000 RPM) has 80 more torque (in Nm) than 1981 Mazda 929. (160 Nm @ 2500 RPM). This means 1986 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda 929.
Compare all specifications:
| 1986 BMW 628 | 1981 Mazda 929 | |
| Make | BMW | Mazda |
| Model | 628 | 929 |
| Year Released | 1986 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1969 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 89 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 240 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 80 mm |
| Engine Stroke Size | 80 mm | 98 mm |
| Engine Compression Ratio | 9.3:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1470 kg | 1150 kg |
| Vehicle Length | 4760 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1720 mm |
| Vehicle Height | 1370 mm | 1450 mm |
| Wheelbase Size | 2640 mm | 2620 mm |
