2005 Mazda 6 vs. 1973 Renault 15
To start off, 2005 Mazda 6 is newer by 32 year(s). Which means there will be less support and parts availability for 1973 Renault 15. In addition, the cost of maintenance, including insurance, on 1973 Renault 15 would be higher. At 2,261 cc (4 cylinders), 2005 Mazda 6 is equipped with a bigger engine. In terms of performance, 2005 Mazda 6 (165 HP @ 6500 RPM) has 106 more horse power than 1973 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 2005 Mazda 6 should accelerate faster than 1973 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mazda 6 weights approximately 465 kg more than 1973 Renault 15. 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 Mazda 6 (205 Nm @ 4000 RPM) has 107 more torque (in Nm) than 1973 Renault 15. (98 Nm @ 3500 RPM). This means 2005 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1973 Renault 15.
Compare all specifications:
| 2005 Mazda 6 | 1973 Renault 15 | |
| Make | Mazda | Renault |
| Model | 6 | 15 |
| Year Released | 2005 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 165 HP | 59 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 205 Nm | 98 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 87.5 mm | 75 mm |
| Engine Stroke Size | 94 mm | 69 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1430 kg | 965 kg |
| Vehicle Length | 4690 mm | 4270 mm |
| Vehicle Width | 1790 mm | 1640 mm |
| Vehicle Height | 1440 mm | 1310 mm |
| Wheelbase Size | 2680 mm | 2440 mm |
| Fuel Tank Capacity | 64 L | 55 L |
