1979 Mazda 121 vs. 2010 Mercedes-Benz B
To start off, 2010 Mercedes-Benz B is newer by 31 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 1,990 cc (4 cylinders), 2010 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2010 Mercedes-Benz B (138 HP @ 4200 RPM) has 48 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 2010 Mercedes-Benz B should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz B weights approximately 301 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 1979 Mazda 121 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1979 Mazda 121. However, in wet, icy, snow, or gravel driving conditions, 2010 Mercedes-Benz B, being front wheel drive (FWD), will offer much better control with better grip. 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, 2010 Mercedes-Benz B (300 Nm @ 1600 RPM) has 140 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2010 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 2010 Mercedes-Benz B | |
| Make | Mazda | Mercedes-Benz |
| Model | 121 | B |
| Year Released | 1979 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1990 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 138 HP |
| Engine RPM | 4800 RPM | 4200 RPM |
| Torque | 160 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 1600 RPM |
| Engine Bore Size | 80 mm | 83 mm |
| Engine Stroke Size | 98 mm | 92 mm |
| Engine Compression Ratio | 8.6:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1134 kg | 1435 kg |
| Vehicle Length | 4510 mm | 4280 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1610 mm |
| Wheelbase Size | 2520 mm | 2780 mm |
