2000 GMC Sierra vs. 1991 Mazda 121
To start off, 2000 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1991 Mazda 121. In addition, the cost of maintenance, including insurance, on 1991 Mazda 121 would be higher. At 4,293 cc (6 cylinders), 2000 GMC Sierra is equipped with a bigger engine. In terms of performance, 2000 GMC Sierra (197 HP @ 4600 RPM) has 126 more horse power than 1991 Mazda 121. (71 HP @ 6000 RPM). In normal driving conditions, 2000 GMC Sierra should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2000 GMC Sierra weights approximately 955 kg more than 1991 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2000 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2000 GMC Sierra 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, 2000 GMC Sierra (353 Nm @ 2800 RPM) has 249 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 2000 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121.
Compare all specifications:
| 2000 GMC Sierra | 1991 Mazda 121 | |
| Make | GMC | Mazda |
| Model | Sierra | 121 |
| Year Released | 2000 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 1322 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 197 HP | 71 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 353 Nm | 104 Nm |
| Torque RPM | 2800 RPM | 3700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Vehicle Weight | 1775 kg | 820 kg |
| Vehicle Length | 5170 mm | 3820 mm |
| Vehicle Width | 2000 mm | 1660 mm |
| Vehicle Height | 1810 mm | 1480 mm |
| Wheelbase Size | 3030 mm | 2460 mm |
