2004 GMC Sierra vs. 1979 Mazda 929
To start off, 2004 GMC Sierra is newer by 25 year(s). Which means there will be less support and parts availability for 1979 Mazda 929. In addition, the cost of maintenance, including insurance, on 1979 Mazda 929 would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 217 more horse power than 1979 Mazda 929. (83 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1212 kg more than 1979 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 GMC Sierra (488 Nm) has 354 more torque (in Nm) than 1979 Mazda 929. (134 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 2004 GMC Sierra | 1979 Mazda 929 | |
| Make | GMC | Mazda |
| Model | Sierra | 929 |
| Year Released | 2004 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1767 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 83 HP |
| Torque | 488 Nm | 134 Nm |
| Engine Bore Size | 102.1 mm | 80 mm |
| Engine Stroke Size | 92 mm | 88 mm |
| Engine Compression Ratio | 9.4:1 | 8.6:1 |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2282 kg | 1070 kg |
| Vehicle Length | 5650 mm | 4410 mm |
| Vehicle Width | 2000 mm | 1670 mm |
| Vehicle Height | 1890 mm | 1420 mm |
| Wheelbase Size | 3380 mm | 2520 mm |
| Fuel Tank Capacity | 129 L | 55 L |
