1990 BMW 730 vs. 1981 Mazda 323
To start off, 1990 BMW 730 is newer by 9 year(s). Which means there will be less support and parts availability for 1981 Mazda 323. In addition, the cost of maintenance, including insurance, on 1981 Mazda 323 would be higher. At 2,986 cc (6 cylinders), 1990 BMW 730 is equipped with a bigger engine. In terms of performance, 1990 BMW 730 (181 HP @ 5800 RPM) has 128 more horse power than 1981 Mazda 323. (53 HP @ 6000 RPM). In normal driving conditions, 1990 BMW 730 should accelerate faster than 1981 Mazda 323. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 730 weights approximately 750 kg more than 1981 Mazda 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1990 BMW 730 (260 Nm @ 4000 RPM) has 181 more torque (in Nm) than 1981 Mazda 323. (79 Nm @ 4000 RPM). This means 1990 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda 323.
Compare all specifications:
| 1990 BMW 730 | 1981 Mazda 323 | |
| Make | BMW | Mazda |
| Model | 730 | 323 |
| Year Released | 1990 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1069 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 53 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 260 Nm | 79 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1600 kg | 850 kg |
| Vehicle Length | 4920 mm | 3960 mm |
| Vehicle Width | 1850 mm | 1640 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2840 mm | 2370 mm |
