1975 Mazda 929 vs. 2005 Renault Vel Satis
To start off, 2005 Renault Vel Satis is newer by 30 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 2,186 cc (4 cylinders), 2005 Renault Vel Satis is equipped with a bigger engine. In terms of performance, 2005 Renault Vel Satis (141 HP @ 4000 RPM) has 58 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2005 Renault Vel Satis should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Renault Vel Satis weights approximately 635 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.
Let's talk about torque, 2005 Renault Vel Satis (320 Nm @ 1750 RPM) has 186 more torque (in Nm) than 1975 Mazda 929. (134 Nm @ 3000 RPM). This means 2005 Renault Vel Satis will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.
Compare all specifications:
| 1975 Mazda 929 | 2005 Renault Vel Satis | |
| Make | Mazda | Renault |
| Model | 929 | Vel Satis |
| Year Released | 1975 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2186 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 141 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 134 Nm | 320 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 80.1 mm | 87 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Engine Compression Ratio | 8.6:1 | 18.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 1705 kg |
| Vehicle Length | 4410 mm | 4870 mm |
| Vehicle Width | 1670 mm | 1870 mm |
| Vehicle Height | 1420 mm | 1580 mm |
| Wheelbase Size | 2520 mm | 2750 mm |
| Fuel Tank Capacity | 55 L | 80 L |
