1997 Porsche 911 vs. 1971 Renault 15
To start off, 1997 Porsche 911 is newer by 26 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 3,164 cc (6 cylinders), 1997 Porsche 911 is equipped with a bigger engine. In terms of performance, 1997 Porsche 911 (537 HP @ 7000 RPM) has 448 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 1997 Porsche 911 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1997 Porsche 911 weights approximately 130 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, 1997 Porsche 911 (600 Nm @ 4250 RPM) has 475 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 1997 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1997 Porsche 911 | 1971 Renault 15 | |
| Make | Porsche | Renault |
| Model | 911 | 15 |
| Year Released | 1997 | 1971 |
| Engine Position | Middle | Front |
| Engine Size | 3164 cc | 1565 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 537 HP | 89 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 600 Nm | 125 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Engine Bore Size | 95 mm | 77 mm |
| Engine Stroke Size | 74.4 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1150 kg | 1020 kg |
| Vehicle Length | 4710 mm | 4260 mm |
| Vehicle Width | 1960 mm | 1640 mm |
| Vehicle Height | 1170 mm | 1320 mm |
| Wheelbase Size | 2280 mm | 2440 mm |
| Fuel Tank Capacity | 100 L | 38 L |
