2007 BMW 320 vs. 1978 Mazda 121
To start off, 2007 BMW 320 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Mazda 121. In addition, the cost of maintenance, including insurance, on 1978 Mazda 121 would be higher. At 1,994 cc (4 cylinders), 2007 BMW 320 is equipped with a bigger engine. In terms of performance, 2007 BMW 320 (148 HP @ 6200 RPM) has 62 more horse power than 1978 Mazda 121. (86 HP @ 4800 RPM). In normal driving conditions, 2007 BMW 320 should accelerate faster than 1978 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 320 weights approximately 265 kg more than 1978 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 BMW 320 (200 Nm @ 3600 RPM) has 40 more torque (in Nm) than 1978 Mazda 121. (160 Nm @ 3000 RPM). This means 2007 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 121.
Compare all specifications:
| 2007 BMW 320 | 1978 Mazda 121 | |
| Make | BMW | Mazda |
| Model | 320 | 121 |
| Year Released | 2007 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 86 HP |
| Engine RPM | 6200 RPM | 4800 RPM |
| Torque | 200 Nm | 160 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Compression Ratio | 10.5:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1395 kg | 1130 kg |
| Vehicle Length | 4530 mm | 4510 mm |
| Vehicle Width | 1430 mm | 1690 mm |
| Vehicle Height | 1880 mm | 1350 mm |
| Wheelbase Size | 2770 mm | 2520 mm |
