2005 Chevrolet Express vs. 1977 Mazda 121
To start off, 2005 Chevrolet Express is newer by 28 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 4,800 cc (8 cylinders), 2005 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Express (285 HP @ 5600 RPM) has 199 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM). In normal driving conditions, 2005 Chevrolet Express should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Express weights approximately 1351 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, 2005 Chevrolet Express (400 Nm) has 240 more torque (in Nm) than 1977 Mazda 121. (160 Nm). This means 2005 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 2005 Chevrolet Express | 1977 Mazda 121 | |
| Make | Chevrolet | Mazda |
| Model | Express | 121 |
| Year Released | 2005 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 4800 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 285 HP | 86 HP |
| Engine RPM | 5600 RPM | 4800 RPM |
| Torque | 400 Nm | 160 Nm |
| Engine Bore Size | 96 mm | 80.1 mm |
| Engine Stroke Size | 83 mm | 98 mm |
| Engine Compression Ratio | 9.5:1 | 8.6:1 |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 2481 kg | 1130 kg |
| Vehicle Length | 5700 mm | 4510 mm |
| Vehicle Width | 2020 mm | 1690 mm |
| Vehicle Height | 2080 mm | 1350 mm |
| Wheelbase Size | 3440 mm | 2520 mm |
