1977 Ford Cortina vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Ford Cortina. In addition, the cost of maintenance, including insurance, on 1977 Ford Cortina 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 (312 HP @ 4400 RPM) has 204 more horse power than 1977 Ford Cortina. (108 HP @ 5000 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1977 Ford Cortina. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1550 kg more than 1977 Ford Cortina. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Ford Cortina. 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. Let's talk about torque, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 330 more torque (in Nm) than 1977 Ford Cortina. (176 Nm @ 3000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Ford Cortina. 2007 GMC Sierra has automatic transmission and 1977 Ford Cortina has manual transmission. 1977 Ford Cortina will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Ford Cortina | 2007 GMC Sierra | |
| Make | Ford | GMC |
| Model | Cortina | Sierra |
| Year Released | 1977 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 108 HP | 312 HP |
| Engine RPM | 5000 RPM | 4400 RPM |
| Torque | 176 Nm | 506 Nm |
| Torque RPM | 3000 RPM | 4400 RPM |
| Engine Bore Size | 90 mm | 102 mm |
| Engine Stroke Size | 60.1 mm | 92 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1128 kg | 2678 kg |
| Vehicle Length | 4390 mm | 5720 mm |
| Vehicle Width | 1710 mm | 2440 mm |
| Vehicle Height | 1370 mm | 1930 mm |
| Wheelbase Size | 2590 mm | 3380 mm |
| Fuel Tank Capacity | 54 L | 129 L |
