2009 BMW X6 vs. 1977 Mazda 929
To start off, 2009 BMW X6 is newer by 32 year(s). Which means there will be less support and parts availability for 1977 Mazda 929. In addition, the cost of maintenance, including insurance, on 1977 Mazda 929 would be higher. At 4,395 cc (8 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (401 HP @ 5500 RPM) has 318 more horse power than 1977 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 1977 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 1191 kg more than 1977 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 BMW X6 (610 Nm @ 1750 RPM) has 476 more torque (in Nm) than 1977 Mazda 929. (134 Nm @ 3000 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 929.
Compare all specifications:
| 2009 BMW X6 | 1977 Mazda 929 | |
| Make | BMW | Mazda |
| Model | X6 | 929 |
| Year Released | 2009 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 4395 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 401 HP | 83 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 610 Nm | 134 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 89 mm | 80 mm |
| Engine Stroke Size | 88.3 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2265 kg | 1074 kg |
| Vehicle Length | 4880 mm | 4410 mm |
| Vehicle Width | 1990 mm | 1670 mm |
| Vehicle Height | 1700 mm | 1420 mm |
| Wheelbase Size | 2940 mm | 2520 mm |
| Fuel Tank Capacity | 85 L | 55 L |
