2007 GMC Sierra vs. 1977 Volvo 66
To start off, 2007 GMC Sierra is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Volvo 66. In addition, the cost of maintenance, including insurance, on 1977 Volvo 66 would be higher. At 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 298 more horse power than 1977 Volvo 66. (47 HP @ 5200 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1977 Volvo 66.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Volvo 66. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra 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.
Compare all specifications:
| 2007 GMC Sierra | 1977 Volvo 66 | |
| Make | GMC | Volvo |
| Model | Sierra | 66 |
| Year Released | 2007 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1106 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 345 HP | 47 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 5850 mm | 3910 mm |
| Vehicle Width | 2000 mm | 1550 mm |
| Vehicle Height | 1910 mm | 1390 mm |
