2005 Porsche 911 vs. 1985 Renault 25
To start off, 2005 Porsche 911 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 Renault 25. In addition, the cost of maintenance, including insurance, on 1985 Renault 25 would be higher. At 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (321 HP @ 4250 RPM) has 258 more horse power than 1985 Renault 25. (63 HP @ 4500 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1985 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 225 kg more than 1985 Renault 25. 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 Porsche 911 (370 Nm @ 4250 RPM) has 241 more torque (in Nm) than 1985 Renault 25. (129 Nm @ 2250 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 25.
Compare all specifications:
| 2005 Porsche 911 | 1985 Renault 25 | |
| Make | Porsche | Renault |
| Model | 911 | 25 |
| Year Released | 2005 | 1985 |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 321 HP | 63 HP |
| Engine RPM | 4250 RPM | 4500 RPM |
| Torque | 370 Nm | 129 Nm |
| Torque RPM | 4250 RPM | 2250 RPM |
| Engine Bore Size | 96 mm | 86.1 mm |
| Engine Stroke Size | 82.8 mm | 89 mm |
| Engine Compression Ratio | 11.3:1 | 21.5:1 |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1405 kg | 1180 kg |
| Vehicle Length | 4440 mm | 4630 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1410 mm |
| Wheelbase Size | 2360 mm | 2730 mm |
| Fuel Tank Capacity | 64 L | 38 L |
