1977 Buick Regal vs. 2003 GMC Envoy
To start off, 2003 GMC Envoy is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Buick Regal. In addition, the cost of maintenance, including insurance, on 1977 Buick Regal would be higher. At 4,158 cc (6 cylinders), 2003 GMC Envoy is equipped with a bigger engine. In terms of performance, 2003 GMC Envoy (271 HP @ 6000 RPM) has 163 more horse power than 1977 Buick Regal. (108 HP @ 3400 RPM) In normal driving conditions, 2003 GMC Envoy should accelerate faster than 1977 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Envoy weights approximately 580 kg more than 1977 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1977 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 GMC Envoy (373 Nm @ 3600 RPM) has 122 more torque (in Nm) than 1977 Buick Regal. (251 Nm @ 2000 RPM). This means 2003 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1977 Buick Regal.
Compare all specifications:
| 1977 Buick Regal | 2003 GMC Envoy | |
| Make | Buick | GMC |
| Model | Regal | Envoy |
| Year Released | 1977 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4158 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 108 HP | 271 HP |
| Engine RPM | 3400 RPM | 6000 RPM |
| Torque | 251 Nm | 373 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 2010 kg |
| Vehicle Length | 5090 mm | 4870 mm |
| Vehicle Width | 1840 mm | 1840 mm |
| Vehicle Height | 1370 mm | 1780 mm |
| Wheelbase Size | 2750 mm | 2880 mm |
