1977 Mazda 121 vs. 1999 Nissan Xterra
To start off, 1999 Nissan Xterra is newer by 22 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 2,393 cc (4 cylinders), 1999 Nissan Xterra is equipped with a bigger engine. In terms of performance, 1999 Nissan Xterra (141 HP @ 5200 RPM) has 55 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 1999 Nissan Xterra should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1999 Nissan Xterra weights approximately 454 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 1999 Nissan Xterra 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, 1999 Nissan Xterra 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, 1999 Nissan Xterra (209 Nm @ 4000 RPM) has 49 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 1999 Nissan Xterra will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 1977 Mazda 121 | 1999 Nissan Xterra | |
| Make | Mazda | Nissan |
| Model | 121 | Xterra |
| Year Released | 1977 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2393 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 141 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 160 Nm | 209 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 80.1 mm | 89 mm |
| Engine Stroke Size | 98 mm | 96 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1130 kg | 1584 kg |
| Vehicle Length | 4510 mm | 4530 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1890 mm |
| Wheelbase Size | 2520 mm | 2660 mm |
