1979 Mazda 929 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Mazda 929. In addition, the cost of maintenance, including insurance, on 1979 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 1979 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 880 kg more than 1979 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 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 696 more torque (in Nm) than 1979 Mazda 929. (134 Nm @ 3000 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 1979 Mazda 929 | 2009 Mercedes-Benz SL | |
| Make | Mazda | Mercedes-Benz |
| Model | 929 | SL |
| Year Released | 1979 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1767 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 | 134 Nm | 830 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Compression Ratio | 8.6:1 | 11.0:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1950 kg |
| Vehicle Length | 4410 mm | 4540 mm |
| Vehicle Width | 1670 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2520 mm | 2570 mm |
| Fuel Tank Capacity | 55 L | 80 L |
