1971 Chevrolet Impala vs. 2004 Lincoln Navigator
To start off, 2004 Lincoln Navigator is newer by 33 year(s). Which means there will be less support and parts availability for 1971 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 1971 Chevrolet Impala would be higher. At 5,408 cc (8 cylinders), 2004 Lincoln Navigator is equipped with a bigger engine. In terms of performance, 2004 Lincoln Navigator (301 HP @ 5000 RPM) has 191 more horse power than 1971 Chevrolet Impala. (110 HP @ 3800 RPM) In normal driving conditions, 2004 Lincoln Navigator should accelerate faster than 1971 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2004 Lincoln Navigator weights approximately 1004 kg more than 1971 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Lincoln Navigator is four wheel drive (4WD), it will have significant more traction and grip than 1971 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2004 Lincoln Navigator 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 Lincoln Navigator (481 Nm @ 3750 RPM) has 225 more torque (in Nm) than 1971 Chevrolet Impala. (256 Nm @ 1600 RPM). This means 2004 Lincoln Navigator will have an easier job in driving up hills or pulling heavy equipment than 1971 Chevrolet Impala.
Compare all specifications:
| 1971 Chevrolet Impala | 2004 Lincoln Navigator | |
| Make | Chevrolet | Lincoln |
| Model | Impala | Navigator |
| Year Released | 1971 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 4092 cc | 5408 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 110 HP | 301 HP |
| Engine RPM | 3800 RPM | 5000 RPM |
| Torque | 256 Nm | 481 Nm |
| Torque RPM | 1600 RPM | 3750 RPM |
| Engine Bore Size | 98.2 mm | 90 mm |
| Engine Stroke Size | 89.6 mm | 106 mm |
| Engine Compression Ratio | 8.5:1 | 9.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1715 kg | 2719 kg |
| Vehicle Length | 5600 mm | 5240 mm |
| Vehicle Width | 2030 mm | 2040 mm |
| Vehicle Height | 1370 mm | 1980 mm |
| Wheelbase Size | 3100 mm | 3070 mm |
