2008 Mazda 6 vs. 1971 Renault 15
To start off, 2008 Mazda 6 is newer by 37 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 2,260 cc (4 cylinders), 2008 Mazda 6 is equipped with a bigger engine. In terms of performance, 2008 Mazda 6 (156 HP @ 6500 RPM) has 67 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 2008 Mazda 6 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mazda 6 weights approximately 160 kg more than 1971 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, 2008 Mazda 6 (209 Nm @ 4000 RPM) has 84 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2008 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 2008 Mazda 6 | 1971 Renault 15 | |
| Make | Mazda | Renault |
| Model | 6 | 15 |
| Year Released | 2008 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 1565 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 156 HP | 89 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 209 Nm | 125 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Compression Ratio | 9.7:1 | 9.3:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1180 kg | 1020 kg |
| Vehicle Length | 4750 mm | 4260 mm |
| Vehicle Width | 1790 mm | 1640 mm |
| Vehicle Height | 1450 mm | 1320 mm |
| Wheelbase Size | 2680 mm | 2440 mm |
| Fuel Tank Capacity | 68 L | 38 L |
