1991 Buick Roadmaster vs. 2009 Chevrolet Suburban
To start off, 2009 Chevrolet Suburban is newer by 18 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, 2009 Chevrolet Suburban (310 HP @ 5200 RPM) has 133 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2009 Chevrolet Suburban should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Suburban weights approximately 360 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 2009 Chevrolet Suburban 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, 2009 Chevrolet Suburban 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 Chevrolet Suburban (454 Nm @ 4400 RPM) has 61 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2009 Chevrolet Suburban will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2009 Chevrolet Suburban | |
| Make | Buick | Chevrolet |
| Model | Roadmaster | Suburban |
| Year Released | 1991 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 5300 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 310 HP |
| Engine RPM | 4200 RPM | 5200 RPM |
| Torque | 393 Nm | 454 Nm |
| Torque RPM | 2400 RPM | 4400 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 2200 kg |
| Vehicle Length | 5280 mm | 5660 mm |
| Vehicle Width | 2040 mm | 2020 mm |
| Vehicle Height | 1650 mm | 1960 mm |
| Wheelbase Size | 2950 mm | 3310 mm |
| Fuel Tank Capacity | 75 L | 117 L |
