2003 GMC Sierra vs. 1973 Avanti Avanti

To start off, 2003 GMC Sierra is newer by 30 year(s). Which means there will be less support and parts availability for 1973 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1973 Avanti Avanti would be higher. At 6,570 cc (8 cylinders), 1973 Avanti Avanti is equipped with a bigger engine. In terms of performance, 2003 GMC Sierra (275 HP) has 98 more horse power than 1973 Avanti Avanti. (177 HP). In normal driving conditions, 2003 GMC Sierra should accelerate faster than 1973 Avanti Avanti. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 361 kg more than 1973 Avanti Avanti. 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, 1973 Avanti Avanti (442 Nm) has 56 more torque (in Nm) than 2003 GMC Sierra. (386 Nm). This means 1973 Avanti Avanti will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Sierra. 1973 Avanti Avanti has automatic transmission and 2003 GMC Sierra has manual transmission. 2003 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Avanti Avanti will be easier to drive especially in heavy traffic.

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