2008 Acura RDX vs. 1979 Mazda 121
To start off, 2008 Acura RDX is newer by 29 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 2,299 cc (4 cylinders), 2008 Acura RDX is equipped with a bigger engine. In terms of performance, 2008 Acura RDX (240 HP @ 6000 RPM) has 150 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 2008 Acura RDX should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2008 Acura RDX weights approximately 316 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 2008 Acura RDX 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, 2008 Acura RDX 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, 2008 Acura RDX (353 Nm @ 4500 RPM) has 193 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2008 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 2008 Acura RDX | 1979 Mazda 121 | |
| Make | Acura | Mazda |
| Model | RDX | 121 |
| Year Released | 2008 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 90 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 353 Nm | 160 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1450 kg | 1134 kg |
| Vehicle Length | 4600 mm | 4510 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1660 mm | 1350 mm |
| Wheelbase Size | 2660 mm | 2520 mm |
