2006 Infiniti FX vs. 1986 Renault 21
To start off, 2006 Infiniti FX is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 3,491 cc (6 cylinders), 2006 Infiniti FX is equipped with a bigger engine. In terms of performance, 2006 Infiniti FX (280 HP @ 6200 RPM) has 160 more horse power than 1986 Renault 21. (120 HP @ 5500 RPM). In normal driving conditions, 2006 Infiniti FX should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti FX weights approximately 185 kg more than 1986 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 1986 Renault 21. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti FX 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, 2006 Infiniti FX (367 Nm @ 4800 RPM) has 199 more torque (in Nm) than 1986 Renault 21. (168 Nm @ 4500 RPM). This means 2006 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 2006 Infiniti FX | 1986 Renault 21 | |
| Make | Infiniti | Renault |
| Model | FX | 21 |
| Year Released | 2006 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 3491 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 280 HP | 120 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 367 Nm | 168 Nm |
| Torque RPM | 4800 RPM | 4500 RPM |
| Engine Bore Size | 95.5 mm | 88.1 mm |
| Engine Stroke Size | 81.4 mm | 82 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1320 kg | 1135 kg |
| Vehicle Length | 4810 mm | 4650 mm |
| Vehicle Width | 1930 mm | 1720 mm |
| Vehicle Height | 1660 mm | 1430 mm |
| Wheelbase Size | 2860 mm | 2760 mm |
