1981 Buick Estate vs. 2009 Infiniti FX
To start off, 2009 Infiniti FX is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Buick Estate. In addition, the cost of maintenance, including insurance, on 1981 Buick Estate would be higher. At 5,735 cc (8 cylinders), 1981 Buick Estate is equipped with a bigger engine. In terms of performance, 2009 Infiniti FX (385 HP @ 6500 RPM) has 232 more horse power than 1981 Buick Estate. (153 HP @ 3400 RPM) In normal driving conditions, 2009 Infiniti FX should accelerate faster than 1981 Buick Estate. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti FX weights approximately 240 kg more than 1981 Buick Estate. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 1981 Buick Estate. 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, 2009 Infiniti FX (500 Nm @ 4400 RPM) has 120 more torque (in Nm) than 1981 Buick Estate. (380 Nm @ 1800 RPM). This means 2009 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 1981 Buick Estate.
Compare all specifications:
| 1981 Buick Estate | 2009 Infiniti FX | |
| Make | Buick | Infiniti |
| Model | Estate | FX |
| Year Released | 1981 | 2009 |
| Body Type | Station Wagon | Crossover |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 5026 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 153 HP | 385 HP |
| Engine RPM | 3400 RPM | 6500 RPM |
| Torque | 380 Nm | 500 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Engine Bore Size | 96.5 mm | 95.5 mm |
| Engine Stroke Size | 97.8 mm | 87.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 2120 kg |
| Vehicle Length | 5510 mm | 4870 mm |
| Vehicle Width | 1990 mm | 1930 mm |
| Vehicle Height | 1440 mm | 1690 mm |
| Wheelbase Size | 2950 mm | 2890 mm |
