1985 Renault 18 vs. 2005 Porsche 911
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 18. In addition, the cost of maintenance, including insurance, on 1985 Renault 18 would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (444 HP @ 5700 RPM) has 340 more horse power than 1985 Renault 18. (104 HP @ 5500 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1985 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 525 kg more than 1985 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Renault 18. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Porsche 911 (620 Nm @ 3500 RPM) has 457 more torque (in Nm) than 1985 Renault 18. (163 Nm @ 3250 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 18.
Compare all specifications:
| 1985 Renault 18 | 2005 Porsche 911 | |
| Make | Renault | Porsche |
| Model | 18 | 911 |
| Year Released | 1985 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 104 HP | 444 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 163 Nm | 620 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 88 mm | 100 mm |
| Engine Stroke Size | 82 mm | 76 mm |
| Engine Compression Ratio | 9.2:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1135 kg | 1660 kg |
| Vehicle Length | 4470 mm | 4440 mm |
| Vehicle Width | 1710 mm | 1840 mm |
| Vehicle Height | 1410 mm | 1300 mm |
