1978 Mazda 929 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 5,512 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (510 HP @ 5000 RPM) has 427 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 830 kg more than 1978 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 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 692 more torque (in Nm) than 1978 Mazda 929. (138 Nm @ 3000 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 1978 Mazda 929 | 2009 Mercedes-Benz SL | |
| Make | Mazda | Mercedes-Benz |
| Model | 929 | SL |
| Year Released | 1978 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 5512 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 83 HP | 510 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 138 Nm | 830 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1120 kg | 1950 kg |
| Vehicle Length | 4550 mm | 4540 mm |
| Vehicle Width | 1670 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2370 mm | 2570 mm |
| Fuel Tank Capacity | 65 L | 80 L |
