1981 Renault 18 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Renault 18. In addition, the cost of maintenance, including insurance, on 1981 Renault 18 would be higher. At 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (415 HP @ 6000 RPM) has 349 more horse power than 1981 Renault 18. (66 HP @ 4500 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1981 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 685 kg more than 1981 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Renault 18. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Porsche 911 (563 Nm @ 2700 RPM) has 439 more torque (in Nm) than 1981 Renault 18. (124 Nm @ 2250 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18.
Compare all specifications:
| 1981 Renault 18 | 2004 Porsche 911 | |
| Make | Renault | Porsche |
| Model | 18 | 911 |
| Year Released | 1981 | 2004 |
| Engine Position | Front | Rear |
| Engine Size | 2068 cc | 3589 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 66 HP | 415 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 124 Nm | 563 Nm |
| Torque RPM | 2250 RPM | 2700 RPM |
| Engine Bore Size | 86.1 mm | 100 mm |
| Engine Stroke Size | 89 mm | 76 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Vehicle Weight | 1050 kg | 1735 kg |
| Vehicle Length | 4410 mm | 4440 mm |
| Vehicle Width | 1710 mm | 1840 mm |
| Vehicle Height | 1410 mm | 1300 mm |
| Wheelbase Size | 2450 mm | 2360 mm |
