2009 Infiniti FX vs. 1971 Jensen SP
To start off, 2009 Infiniti FX is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Jensen SP. In addition, the cost of maintenance, including insurance, on 1971 Jensen SP would be higher. At 7,206 cc (8 cylinders), 1971 Jensen SP is equipped with a bigger engine. In terms of performance, 2009 Infiniti FX (390 HP @ 6500 RPM) has 5 more horse power than 1971 Jensen SP. (385 HP @ 4700 RPM). In normal driving conditions, 2009 Infiniti FX should accelerate faster than 1971 Jensen SP.
Because 2009 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 1971 Jensen SP. In wet, icy, snow, or gravel driving conditions, 2009 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, 1971 Jensen SP (557 Nm @ 3600 RPM) has 56 more torque (in Nm) than 2009 Infiniti FX. (501 Nm @ 4400 RPM). This means 1971 Jensen SP will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti FX.
Compare all specifications:
| 2009 Infiniti FX | 1971 Jensen SP | |
| Make | Infiniti | Jensen |
| Model | FX | SP |
| Year Released | 2009 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 5019 cc | 7206 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 390 HP | 385 HP |
| Engine RPM | 6500 RPM | 4700 RPM |
| Torque | 501 Nm | 557 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Engine Bore Size | 95.5 mm | 109.7 mm |
| Engine Stroke Size | 87.7 mm | 95.3 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4870 mm | 4780 mm |
| Vehicle Width | 1930 mm | 1760 mm |
| Vehicle Height | 1690 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2670 mm |
| Fuel Tank Capacity | 90 L | 75 L |
