1991 Buick Roadmaster vs. 1978 Chevrolet Suburban
To start off, 1991 Buick Roadmaster is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Chevrolet Suburban. In addition, the cost of maintenance, including insurance, on 1978 Chevrolet Suburban would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (177 HP @ 4200 RPM) has 77 more horse power than 1978 Chevrolet Suburban. (100 HP @ 3600 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 1978 Chevrolet Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1978 Chevrolet Suburban weights approximately 360 kg more than 1991 Buick Roadmaster.
Because 1978 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, 1978 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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 151 more torque (in Nm) than 1978 Chevrolet Suburban. (242 Nm @ 1600 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1978 Chevrolet Suburban.
Compare all specifications:
1991 Buick Roadmaster | 1978 Chevrolet Suburban | |
Make | Buick | Chevrolet |
Model | Roadmaster | Suburban |
Year Released | 1991 | 1978 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 5731 cc | 4093 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 177 HP | 100 HP |
Engine RPM | 4200 RPM | 3600 RPM |
Torque | 393 Nm | 242 Nm |
Torque RPM | 2400 RPM | 1600 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Automatic | Automatic |
Vehicle Weight | 1840 kg | 2200 kg |
Vehicle Length | 5280 mm | 5480 mm |
Vehicle Width | 2040 mm | 1950 mm |
Vehicle Height | 1650 mm | 1800 mm |
Wheelbase Size | 2950 mm | 3300 mm |