2009 Hummer H2 vs. 1981 Mazda Cosmo
To start off, 2009 Hummer H2 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1981 Mazda Cosmo would be higher. At 6,199 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (393 HP @ 5700 RPM) has 291 more horse power than 1981 Mazda Cosmo. (102 HP @ 5300 RPM). In normal driving conditions, 2009 Hummer H2 should accelerate faster than 1981 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1805 kg more than 1981 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Mazda Cosmo. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H2 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, 2009 Hummer H2 (564 Nm @ 4300 RPM) has 397 more torque (in Nm) than 1981 Mazda Cosmo. (167 Nm @ 3300 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda Cosmo.
Compare all specifications:
| 2009 Hummer H2 | 1981 Mazda Cosmo | |
| Make | Hummer | Mazda |
| Model | H2 | Cosmo |
| Year Released | 2009 | 1981 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6199 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 393 HP | 102 HP |
| Engine RPM | 5700 RPM | 5300 RPM |
| Torque | 564 Nm | 167 Nm |
| Torque RPM | 4300 RPM | 3300 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2903 kg | 1098 kg |
| Vehicle Length | 4830 mm | 4670 mm |
| Vehicle Width | 2070 mm | 1700 mm |
| Vehicle Height | 2020 mm | 1420 mm |
| Wheelbase Size | 3130 mm | 2620 mm |
