1999 GMC Sierra vs. 1979 Mazda 121
To start off, 1999 GMC Sierra is newer by 20 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 4,784 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 695 kg more than 1979 Mazda 121.
Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1979 Mazda 121. In wet, icy, snow, or gravel driving conditions, 1999 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.
Compare all specifications:
| 1999 GMC Sierra | 1979 Mazda 121 | |
| Make | GMC | Mazda |
| Model | Sierra | 121 |
| Year Released | 1999 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 4784 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 267 HP | 0 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1805 kg | 1110 kg |
| Vehicle Length | 5170 mm | 4480 mm |
| Vehicle Width | 2000 mm | 1690 mm |
| Vehicle Height | 1810 mm | 1340 mm |
| Wheelbase Size | 3030 mm | 2520 mm |
