2011 GMC Sierra vs. 1976 Mazda Cosmo
To start off, 2011 GMC Sierra is newer by 35 year(s). Which means there will be less support and parts availability for 1976 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1976 Mazda Cosmo would be higher. At 4,800 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (302 HP @ 5600 RPM) has 209 more horse power than 1976 Mazda Cosmo. (93 HP @ 5500 RPM). In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1976 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1221 kg more than 1976 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2011 GMC Sierra (413 Nm @ 4600 RPM) has 263 more torque (in Nm) than 1976 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1976 Mazda Cosmo.
Compare all specifications:
| 2011 GMC Sierra | 1976 Mazda Cosmo | |
| Make | GMC | Mazda |
| Model | Sierra | Cosmo |
| Year Released | 2011 | 1976 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4800 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 93 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 413 Nm | 150 Nm |
| Torque RPM | 4600 RPM | 3300 RPM |
| Fuel Type | Flex Fuel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | 4-speed automatic | Automatic |
| Vehicle Weight | 2311 kg | 1090 kg |
| Vehicle Length | 5847 mm | 4480 mm |
| Vehicle Width | 2032 mm | 1690 mm |
| Vehicle Height | 1875 mm | 1340 mm |
| Wheelbase Size | 3645 mm | 2520 mm |
| Fuel Tank Capacity | 98 L | 65 L |
