1978 Mazda 929 vs. 2005 Renault Vel Satis
To start off, 2005 Renault Vel Satis is newer by 27 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 2,187 cc (4 cylinders), 2005 Renault Vel Satis is equipped with a bigger engine. In terms of performance, 2005 Renault Vel Satis (138 HP @ 4000 RPM) has 55 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2005 Renault Vel Satis should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Renault Vel Satis weights approximately 775 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.
Let's talk about torque, 2005 Renault Vel Satis (330 Nm @ 1750 RPM) has 196 more torque (in Nm) than 1978 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 1978 Mazda 929.
Compare all specifications:
| 1978 Mazda 929 | 2005 Renault Vel Satis | |
| Make | Mazda | Renault |
| Model | 929 | Vel Satis |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2187 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 138 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 134 Nm | 330 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 80 mm | 87 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 1845 kg |
| Vehicle Length | 4410 mm | 4870 mm |
| Vehicle Width | 1670 mm | 1870 mm |
| Vehicle Height | 1420 mm | 1580 mm |
| Wheelbase Size | 2520 mm | 2810 mm |
| Fuel Tank Capacity | 55 L | 80 L |
