1991 Mazda 121 vs. 2006 Toyota RunX
To start off, 2006 Toyota RunX is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Mazda 121. In addition, the cost of maintenance, including insurance, on 1991 Mazda 121 would be higher. At 1,796 cc (4 cylinders), 2006 Toyota RunX is equipped with a bigger engine. In terms of performance, 2006 Toyota RunX (189 HP @ 7800 RPM) has 118 more horse power than 1991 Mazda 121. (71 HP @ 6000 RPM) In normal driving conditions, 2006 Toyota RunX should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2006 Toyota RunX weights approximately 430 kg more than 1991 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2006 Toyota RunX (180 Nm @ 6800 RPM) has 76 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 2006 Toyota RunX will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121.
Compare all specifications:
| 1991 Mazda 121 | 2006 Toyota RunX | |
| Make | Mazda | Toyota |
| Model | 121 | RunX |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1322 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 189 HP |
| Engine RPM | 6000 RPM | 7800 RPM |
| Torque | 104 Nm | 180 Nm |
| Torque RPM | 3700 RPM | 6800 RPM |
| Engine Bore Size | 71 mm | 82 mm |
| Engine Stroke Size | 83.6 mm | 85 mm |
| Engine Compression Ratio | 9.4:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 820 kg | 1250 kg |
| Vehicle Length | 3820 mm | 4180 mm |
| Vehicle Width | 1660 mm | 1700 mm |
| Vehicle Height | 1480 mm | 1480 mm |
| Wheelbase Size | 2460 mm | 2610 mm |
| Fuel Tank Capacity | 43 L | 60 L |
