1975 Mazda 929 vs. 2009 Rolls-Royce Phantom Drophead Coupe
To start off, 2009 Rolls-Royce Phantom Drophead Coupe is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Mazda 929. In addition, the cost of maintenance, including insurance, on 1975 Mazda 929 would be higher. At 6,749 cc (12 cylinders), 2009 Rolls-Royce Phantom Drophead Coupe is equipped with a bigger engine. In terms of performance, 2009 Rolls-Royce Phantom Drophead Coupe (448 HP @ 5350 RPM) has 365 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2009 Rolls-Royce Phantom Drophead Coupe should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 Rolls-Royce Phantom Drophead Coupe weights approximately 1460 kg more than 1975 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, 2009 Rolls-Royce Phantom Drophead Coupe (531 Nm @ 3500 RPM) has 394 more torque (in Nm) than 1975 Mazda 929. (137 Nm @ 3000 RPM). This means 2009 Rolls-Royce Phantom Drophead Coupe will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.
Compare all specifications:
| 1975 Mazda 929 | 2009 Rolls-Royce Phantom Drophead Coupe | |
| Make | Mazda | Rolls-Royce |
| Model | 929 | Phantom Drophead Coupe |
| Year Released | 1975 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 6749 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 83 HP | 448 HP |
| Engine RPM | 5000 RPM | 5350 RPM |
| Torque | 137 Nm | 531 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 80.1 mm | 92 mm |
| Engine Stroke Size | 88 mm | 84.6 mm |
| Engine Compression Ratio | 8.6:1 | 11.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1160 kg | 2620 kg |
| Vehicle Length | 4550 mm | 5840 mm |
| Vehicle Height | 1420 mm | 1640 mm |
| Wheelbase Size | 2520 mm | 3580 mm |
| Fuel Tank Capacity | 65 L | 100 L |
