1991 Buick Roadmaster vs. 2005 Chevrolet Silverado
To start off, 2005 Chevrolet Silverado is newer by 14 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 5,736 cc (8 cylinders), 2005 Chevrolet Silverado is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Silverado (300 HP @ 5600 RPM) has 123 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2005 Chevrolet Silverado should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Silverado weights approximately 768 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.
Let's talk about torque, 2005 Chevrolet Silverado (488 Nm) has 95 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm). This means 2005 Chevrolet Silverado will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2005 Chevrolet Silverado | |
| Make | Buick | Chevrolet |
| Model | Roadmaster | Silverado |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 5736 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 300 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 393 Nm | 488 Nm |
| Engine Compression Ratio | 8.0:1 | 9.4:1 |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 2608 kg |
| Vehicle Length | 5280 mm | 6030 mm |
| Vehicle Width | 2040 mm | 2030 mm |
| Vehicle Height | 1650 mm | 1960 mm |
| Wheelbase Size | 2950 mm | 3890 mm |
| Fuel Tank Capacity | 75 L | 98 L |
