1990 Porsche 911 vs. 1971 Renault 15
To start off, 1990 Porsche 911 is newer by 19 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), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (228 HP @ 5900 RPM) has 169 more horse power than 1971 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1990 Porsche 911 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1990 Porsche 911 weights approximately 271 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, 1990 Porsche 911 (286 Nm @ 4800 RPM) has 188 more torque (in Nm) than 1971 Renault 15. (98 Nm @ 3500 RPM). This means 1990 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1990 Porsche 911 | 1971 Renault 15 | |
| Make | Porsche | Renault |
| Model | 911 | 15 |
| Year Released | 1990 | 1971 |
| Engine Position | Rear | Front |
| Engine Size | 3164 cc | 1289 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 228 HP | 59 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 286 Nm | 98 Nm |
| Torque RPM | 4800 RPM | 3500 RPM |
| Engine Bore Size | 95 mm | 75 mm |
| Engine Stroke Size | 74.4 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1236 kg | 965 kg |
| Vehicle Length | 4300 mm | 4270 mm |
| Vehicle Width | 1660 mm | 1640 mm |
| Vehicle Height | 1330 mm | 1320 mm |
| Wheelbase Size | 2280 mm | 2440 mm |
| Fuel Tank Capacity | 80 L | 55 L |
