1983 Austin Allegro vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 24 year(s). Which means there will be less support and parts availability for 1983 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1983 Austin Allegro would be higher. At 6,172 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (403 HP @ 5700 RPM) has 360 more horse power than 1983 Austin Allegro. (43 HP @ 5250 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1983 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1678 kg more than 1983 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1983 Austin Allegro. In wet, icy, snow, or gravel driving conditions, 2007 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. Let's talk about torque, 2007 GMC Sierra (565 Nm @ 4300 RPM) has 495 more torque (in Nm) than 1983 Austin Allegro. (70 Nm @ 3000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1983 Austin Allegro. 2007 GMC Sierra has automatic transmission and 1983 Austin Allegro has manual transmission. 1983 Austin Allegro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1983 Austin Allegro | 2007 GMC Sierra | |
| Make | Austin | GMC |
| Model | Allegro | Sierra |
| Year Released | 1983 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 998 cc | 6172 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 43 HP | 403 HP |
| Engine RPM | 5250 RPM | 5700 RPM |
| Torque | 70 Nm | 565 Nm |
| Torque RPM | 3000 RPM | 4300 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 2478 kg |
| Vehicle Length | 3200 mm | 5850 mm |
| Vehicle Width | 1620 mm | 2040 mm |
| Vehicle Height | 1400 mm | 1880 mm |
| Wheelbase Size | 2450 mm | 3650 mm |
