1986 Buick Regal vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Buick Regal. In addition, the cost of maintenance, including insurance, on 1986 Buick Regal would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 65 more horse power than 1986 Buick Regal. (235 HP @ 4400 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1986 Buick Regal.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 40 more torque (in Nm) than 1986 Buick Regal. (448 Nm @ 2800 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1986 Buick Regal.
Compare all specifications:
| 1986 Buick Regal | 2007 GMC Sierra | |
| Make | Buick | GMC |
| Model | Regal | Sierra |
| Year Released | 1986 | 2007 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 235 HP | 300 HP |
| Engine RPM | 4400 RPM | 4400 RPM |
| Torque | 448 Nm | 488 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Engine Bore Size | 96.5 mm | 102 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 5100 mm | 6570 mm |
| Vehicle Width | 1830 mm | 2450 mm |
| Vehicle Height | 1390 mm | 1970 mm |
| Wheelbase Size | 2750 mm | 4250 mm |
| Fuel Tank Capacity | 68 L | 132 L |
