2009 Acura RL vs. 1973 Mazda 929
To start off, 2009 Acura RL is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Mazda 929. In addition, the cost of maintenance, including insurance, on 1973 Mazda 929 would be higher. At 3,664 cc (6 cylinders), 2009 Acura RL is equipped with a bigger engine. In terms of performance, 2009 Acura RL (301 HP @ 6300 RPM) has 218 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2009 Acura RL should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RL weights approximately 505 kg more than 1973 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 Acura RL (367 Nm @ 5000 RPM) has 233 more torque (in Nm) than 1973 Mazda 929. (134 Nm @ 3000 RPM). This means 2009 Acura RL will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
| 2009 Acura RL | 1973 Mazda 929 | |
| Make | Acura | Mazda |
| Model | RL | 929 |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3664 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 301 HP | 83 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 367 Nm | 134 Nm |
| Torque RPM | 5000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1575 kg | 1070 kg |
| Vehicle Length | 4980 mm | 4410 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2810 mm | 2520 mm |
| Fuel Tank Capacity | 73 L | 55 L |
