1991 Buick Roadmaster vs. 2004 Lincoln Navigator
To start off, 2004 Lincoln Navigator is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster 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 133 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM) In normal driving conditions, 2004 Lincoln Navigator should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2004 Lincoln Navigator weights approximately 719 kg more than 1991 Buick Roadmaster. 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 1991 Buick Roadmaster. 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 135 more torque (in Nm) than 1991 Buick Roadmaster. (346 Nm @ 2400 RPM). This means 2004 Lincoln Navigator will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2004 Lincoln Navigator | |
| Make | Buick | Lincoln |
| Model | Roadmaster | Navigator |
| Year Released | 1991 | 2004 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 5408 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 301 HP |
| Engine RPM | 4200 RPM | 5000 RPM |
| Torque | 346 Nm | 481 Nm |
| Torque RPM | 2400 RPM | 3750 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2000 kg | 2719 kg |
| Vehicle Length | 5540 mm | 5240 mm |
| Vehicle Width | 2040 mm | 2040 mm |
| Vehicle Height | 1540 mm | 1980 mm |
| Wheelbase Size | 2950 mm | 3070 mm |
