1978 Austin Allegro vs. 2011 GMC Sierra

To start off, 2011 GMC Sierra is newer by 33 year(s). Which means there will be less support and parts availability for 1978 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1978 Austin Allegro would be higher. At 4,800 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (302 HP) has 243 more horse power than 1978 Austin Allegro. (59 HP) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1978 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1461 kg more than 1978 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2011 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 1978 Austin Allegro, being front wheel drive (FWD), will offer much better control with better grip. 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. 2011 GMC Sierra has automatic transmission and 1978 Austin Allegro has manual transmission. 1978 Austin Allegro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 GMC Sierra will be easier to drive especially in heavy traffic.

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