1991 Buick Roadmaster vs. 2006 GMC Envoy
To start off, 2006 GMC Envoy 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 GMC Envoy (291 HP @ 6000 RPM) has 114 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 595 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 2006 GMC Envoy 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 GMC Envoy 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 16 more torque (in Nm) than 2006 GMC Envoy. (377 Nm @ 4800 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Envoy.
Compare all specifications:
| 1991 Buick Roadmaster | 2006 GMC Envoy | |
| Make | Buick | GMC |
| Model | Roadmaster | Envoy |
| Year Released | 1991 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 291 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 393 Nm | 377 Nm |
| Torque RPM | 2400 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 2435 kg |
| Vehicle Length | 5280 mm | 4870 mm |
| Vehicle Width | 2040 mm | 1900 mm |
| Vehicle Height | 1650 mm | 1830 mm |
| Wheelbase Size | 2950 mm | 2880 mm |
| Fuel Tank Capacity | 75 L | 83 L |
