1981 Austin Allegro vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1981 Austin Allegro would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1420 kg more than 1981 Austin Allegro.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1981 Austin Allegro. In wet, icy, snow, or gravel driving conditions, 2005 GMC Sierra will offer significantly more control. 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. 2005 GMC Sierra has automatic transmission and 1981 Austin Allegro has manual transmission. 1981 Austin Allegro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Austin Allegro | 2005 GMC Sierra | |
| Make | Austin | GMC |
| Model | Allegro | Sierra |
| Year Released | 1981 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1275 cc | 5965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 0 HP | 321 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Vehicle Weight | 850 kg | 2270 kg |
| Vehicle Length | 4000 mm | 5790 mm |
| Vehicle Width | 1620 mm | 2000 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2450 mm | 3650 mm |
