2008 GMC Sierra vs. 1970 Mercury Comet
To start off, 2008 GMC Sierra is newer by 38 year(s). Which means there will be less support and parts availability for 1970 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1970 Mercury Comet would be higher. At 5,300 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (316 HP @ 5200 RPM) has 179 more horse power than 1970 Mercury Comet. (137 HP @ 4200 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1970 Mercury Comet. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1269 kg more than 1970 Mercury Comet. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1970 Mercury Comet. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (458 Nm @ 4400 RPM) has 139 more torque (in Nm) than 1970 Mercury Comet. (319 Nm @ 2000 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1970 Mercury Comet.
Compare all specifications:
| 2008 GMC Sierra | 1970 Mercury Comet | |
| Make | GMC | Mercury |
| Model | Sierra | Comet |
| Year Released | 2008 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 316 HP | 137 HP |
| Engine RPM | 5200 RPM | 4200 RPM |
| Torque | 458 Nm | 319 Nm |
| Torque RPM | 4400 RPM | 2000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 5 seats |
| Vehicle Weight | 2659 kg | 1390 kg |
| Vehicle Length | 6320 mm | 4800 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1870 mm | 1360 mm |
| Wheelbase Size | 4010 mm | 2800 mm |
