2009 GMC Yukon vs. 1979 Mazda 121
To start off, 2009 GMC Yukon is newer by 30 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 5,967 cc (8 cylinders), 2009 GMC Yukon is equipped with a bigger engine. In terms of performance, 2009 GMC Yukon (327 HP @ 5100 RPM) has 237 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 2009 GMC Yukon should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Yukon weights approximately 1301 kg more than 1979 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2009 GMC Yukon (368 Nm @ 4100 RPM) has 208 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2009 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 2009 GMC Yukon | 1979 Mazda 121 | |
| Make | GMC | Mazda |
| Model | Yukon | 121 |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 327 HP | 90 HP |
| Engine RPM | 5100 RPM | 4800 RPM |
| Torque | 368 Nm | 160 Nm |
| Torque RPM | 4100 RPM | 3000 RPM |
| Engine Bore Size | 102 mm | 80 mm |
| Engine Stroke Size | 92 mm | 98 mm |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 8 seats | 4 seats |
| Vehicle Weight | 2435 kg | 1134 kg |
| Vehicle Length | 5140 mm | 4510 mm |
| Vehicle Width | 2010 mm | 1690 mm |
| Vehicle Height | 1900 mm | 1350 mm |
| Wheelbase Size | 2950 mm | 2520 mm |
