2008 Hummer H3 vs. 1977 Mazda 121
To start off, 2008 Hummer H3 is newer by 31 year(s). Which means there will be less support and parts availability for 1977 Mazda 121. In addition, the cost of maintenance, including insurance, on 1977 Mazda 121 would be higher. At 3,700 cc (5 cylinders), 2008 Hummer H3 is equipped with a bigger engine. In terms of performance, 2008 Hummer H3 (242 HP @ 5600 RPM) has 128 more horse power than 1977 Mazda 121. (114 HP @ 6000 RPM). In normal driving conditions, 2008 Hummer H3 should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2008 Hummer H3 weights approximately 1031 kg more than 1977 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2008 Hummer H3 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 Hummer H3 (328 Nm @ 4600 RPM) has 163 more torque (in Nm) than 1977 Mazda 121. (165 Nm @ 4000 RPM). This means 2008 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 2008 Hummer H3 | 1977 Mazda 121 | |
| Make | Hummer | Mazda |
| Model | H3 | 121 |
| Year Released | 2008 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 3700 cc | 2615 cc |
| Engine Cylinders | 5 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 242 HP | 114 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 328 Nm | 165 Nm |
| Torque RPM | 4600 RPM | 4000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2231 kg | 1200 kg |
| Vehicle Length | 4750 mm | 4510 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1860 mm | 1350 mm |
| Wheelbase Size | 2850 mm | 2520 mm |
