2004 GMC Sierra vs. 1974 Avanti Avanti
To start off, 2004 GMC Sierra is newer by 30 year(s). Which means there will be less support and parts availability for 1974 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1974 Avanti Avanti would be higher. At 6,569 cc (8 cylinders), 1974 Avanti Avanti is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 123 more horse power than 1974 Avanti Avanti. (177 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1974 Avanti Avanti. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 702 kg more than 1974 Avanti Avanti. 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 46 more torque (in Nm) than 1974 Avanti Avanti. (442 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1974 Avanti Avanti. 1974 Avanti Avanti has automatic transmission and 2004 GMC Sierra has manual transmission. 2004 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1974 Avanti Avanti will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 GMC Sierra | 1974 Avanti Avanti | |
| Make | GMC | Avanti |
| Model | Sierra | Avanti |
| Year Released | 2004 | 1974 |
| Engine Size | 5965 cc | 6569 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 177 HP |
| Torque | 488 Nm | 442 Nm |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 2282 kg | 1580 kg |
| Vehicle Length | 5650 mm | 4910 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1890 mm | 1380 mm |
| Wheelbase Size | 3380 mm | 2780 mm |
