1979 Mazda 121 vs. 2009 Mercedes-Benz R
To start off, 2009 Mercedes-Benz R is newer by 30 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 3,498 cc (6 cylinders), 2009 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz R (268 HP @ 6000 RPM) has 178 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 2009 Mercedes-Benz R should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz R weights approximately 11 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 2009 Mercedes-Benz R 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, 2009 Mercedes-Benz R 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, 2009 Mercedes-Benz R (350 Nm @ 2400 RPM) has 190 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2009 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 2009 Mercedes-Benz R | |
| Make | Mazda | Mercedes-Benz |
| Model | 121 | R |
| Year Released | 1979 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 90 HP | 268 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 160 Nm | 350 Nm |
| Torque RPM | 3000 RPM | 2400 RPM |
| Engine Compression Ratio | 8.6:1 | 9.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 6 seats |
| Vehicle Weight | 1134 kg | 1145 kg |
| Vehicle Length | 4510 mm | 5160 mm |
| Vehicle Width | 1690 mm | 1960 mm |
| Vehicle Height | 1350 mm | 1670 mm |
| Wheelbase Size | 2520 mm | 3220 mm |
