2005 BMW 730 vs. 1981 Mazda 929
To start off, 2005 BMW 730 is newer by 24 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 2,993 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (228 HP @ 5900 RPM) has 139 more horse power than 1981 Mazda 929. (89 HP @ 4800 RPM). In normal driving conditions, 2005 BMW 730 should accelerate faster than 1981 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 674 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, 2005 BMW 730 (300 Nm @ 3500 RPM) has 140 more torque (in Nm) than 1981 Mazda 929. (160 Nm @ 2500 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda 929.
Compare all specifications:
| 2005 BMW 730 | 1981 Mazda 929 | |
| Make | BMW | Mazda |
| Model | 730 | 929 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1969 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 89 HP |
| Engine RPM | 5900 RPM | 4800 RPM |
| Torque | 300 Nm | 160 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 89.6 mm | 98 mm |
| Engine Compression Ratio | 10.0:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1824 kg | 1150 kg |
| Vehicle Length | 5190 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1720 mm |
| Vehicle Height | 1490 mm | 1450 mm |
| Wheelbase Size | 3140 mm | 2620 mm |
