2006 Porsche 911 vs. 1971 Renault 15
To start off, 2006 Porsche 911 is newer by 35 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 3,824 cc (6 cylinders), 2006 Porsche 911 is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (350 HP @ 6600 RPM) has 261 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 2006 Porsche 911 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2006 Porsche 911 weights approximately 475 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, 2006 Porsche 911 (400 Nm @ 4600 RPM) has 275 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2006 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 2006 Porsche 911 | 1971 Renault 15 | |
| Make | Porsche | Renault |
| Model | 911 | 15 |
| Year Released | 2006 | 1971 |
| Engine Position | Rear | Front |
| Engine Size | 3824 cc | 1565 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 350 HP | 89 HP |
| Engine RPM | 6600 RPM | 5500 RPM |
| Torque | 400 Nm | 125 Nm |
| Torque RPM | 4600 RPM | 3000 RPM |
| Engine Bore Size | 99 mm | 77 mm |
| Engine Stroke Size | 82.8 mm | 84 mm |
| Engine Compression Ratio | 11.8:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1495 kg | 1020 kg |
| Vehicle Length | 4430 mm | 4260 mm |
| Vehicle Width | 1810 mm | 1640 mm |
| Vehicle Height | 1310 mm | 1320 mm |
| Wheelbase Size | 2360 mm | 2440 mm |
| Fuel Tank Capacity | 64 L | 38 L |
