1991 Buick Roadmaster vs. 2006 Chevrolet Equinox
To start off, 2006 Chevrolet Equinox is newer by 15 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 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2006 Chevrolet Equinox (186 HP @ 5200 RPM) has 9 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2006 Chevrolet Equinox should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 90 kg more than 2006 Chevrolet Equinox.
Because 2006 Chevrolet Equinox 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, 2006 Chevrolet Equinox 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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 108 more torque (in Nm) than 2006 Chevrolet Equinox. (285 Nm @ 3800 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet Equinox.
Compare all specifications:
| 1991 Buick Roadmaster | 2006 Chevrolet Equinox | |
| Make | Buick | Chevrolet |
| Model | Roadmaster | Equinox |
| Year Released | 1991 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 3425 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 186 HP |
| Engine RPM | 4200 RPM | 5200 RPM |
| Torque | 393 Nm | 285 Nm |
| Torque RPM | 2400 RPM | 3800 RPM |
| Engine Compression Ratio | 8.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1840 kg | 1750 kg |
| Vehicle Length | 5280 mm | 4800 mm |
| Vehicle Width | 2040 mm | 1820 mm |
| Vehicle Height | 1650 mm | 1770 mm |
| Wheelbase Size | 2950 mm | 2860 mm |
| Fuel Tank Capacity | 75 L | 64 L |
