1977 Mazda 121 vs. 2010 Kia Sorento
To start off, 2010 Kia Sorento is newer by 33 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 3,778 cc (6 cylinders), 2010 Kia Sorento is equipped with a bigger engine. In terms of performance, 2010 Kia Sorento (265 HP @ 6000 RPM) has 179 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 2010 Kia Sorento should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2010 Kia Sorento weights approximately 155 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 2010 Kia Sorento 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, 2010 Kia Sorento 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, 2010 Kia Sorento (360 Nm @ 4500 RPM) has 200 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 2010 Kia Sorento will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 1977 Mazda 121 | 2010 Kia Sorento | |
| Make | Mazda | Kia |
| Model | 121 | Sorento |
| Year Released | 1977 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3778 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 86 HP | 265 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 160 Nm | 360 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Compression Ratio | 8.6:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1130 kg | 1285 kg |
| Vehicle Length | 4510 mm | 4600 mm |
| Vehicle Width | 1690 mm | 1740 mm |
| Vehicle Height | 1350 mm | 1870 mm |
| Wheelbase Size | 2520 mm | 2720 mm |
