2005 Acura MDX vs. 1979 Mazda 121
To start off, 2005 Acura MDX 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 3,474 cc (6 cylinders), 2005 Acura MDX is equipped with a bigger engine. In terms of performance, 2005 Acura MDX (266 HP @ 5600 RPM) has 176 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 2005 Acura MDX should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2005 Acura MDX weights approximately 885 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 Acura MDX 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 Acura MDX 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 Acura MDX (343 Nm) has 183 more torque (in Nm) than 1979 Mazda 121. (160 Nm). This means 2005 Acura MDX will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 2005 Acura MDX | 1979 Mazda 121 | |
| Make | Acura | Mazda |
| Model | MDX | 121 |
| Year Released | 2005 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 3474 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 266 HP | 90 HP |
| Engine RPM | 5600 RPM | 4800 RPM |
| Torque | 343 Nm | 160 Nm |
| Engine Bore Size | 89 mm | 80 mm |
| Engine Stroke Size | 93 mm | 98 mm |
| Engine Compression Ratio | 10.0:1 | 8.6:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 7 seats | 4 seats |
| Vehicle Weight | 2019 kg | 1134 kg |
| Vehicle Length | 4800 mm | 4510 mm |
| Vehicle Width | 1960 mm | 1690 mm |
| Vehicle Height | 1750 mm | 1350 mm |
| Wheelbase Size | 2710 mm | 2520 mm |
