2005 Lexus RX vs. 1979 Mazda 121
To start off, 2005 Lexus RX is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 would be higher. At 3,310 cc (6 cylinders), 2005 Lexus RX is equipped with a bigger engine. In terms of performance, 2005 Lexus RX (230 HP @ 5600 RPM) has 140 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 2005 Lexus RX should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2005 Lexus RX weights approximately 710 kg more than 1979 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 1979 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2005 Lexus RX 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, 2005 Lexus RX (328 Nm) has 168 more torque (in Nm) than 1979 Mazda 121. (160 Nm). This means 2005 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 2005 Lexus RX | 1979 Mazda 121 | |
| Make | Lexus | Mazda |
| Model | RX | 121 |
| Year Released | 2005 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 3310 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 230 HP | 90 HP |
| Engine RPM | 5600 RPM | 4800 RPM |
| Torque | 328 Nm | 160 Nm |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 83 mm | 98 mm |
| Engine Compression Ratio | 10.8:1 | 8.6:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1844 kg | 1134 kg |
| Vehicle Length | 4740 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1690 mm |
| Vehicle Height | 1690 mm | 1350 mm |
| Wheelbase Size | 2860 mm | 2520 mm |
