1977 Mazda 121 vs. 2007 Peugeot 307
To start off, 2007 Peugeot 307 is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Mazda 121. In addition, the cost of maintenance, including insurance, on 1977 Mazda 121 would be higher. At 1,997 cc (4 cylinders), 2007 Peugeot 307 is equipped with a bigger engine. In terms of performance, 2007 Peugeot 307 (138 HP @ 6000 RPM) has 52 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 2007 Peugeot 307 should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2007 Peugeot 307 weights approximately 166 kg more than 1977 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Peugeot 307 (200 Nm @ 4100 RPM) has 40 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 2007 Peugeot 307 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 1977 Mazda 121 | 2007 Peugeot 307 | |
| Make | Mazda | Peugeot |
| Model | 121 | 307 |
| Year Released | 1977 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 138 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 160 Nm | 200 Nm |
| Torque RPM | 3000 RPM | 4100 RPM |
| Engine Bore Size | 80.1 mm | 85 mm |
| Engine Stroke Size | 98 mm | 88 mm |
| Engine Compression Ratio | 8.6:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1130 kg | 1296 kg |
| Vehicle Length | 4510 mm | 4220 mm |
| Vehicle Width | 1690 mm | 1520 mm |
| Vehicle Height | 1350 mm | 1750 mm |
| Wheelbase Size | 2520 mm | 2610 mm |
