1983 Austin Allegro vs. 2004 GMC Sierra
To start off, 2004 GMC Sierra is newer by 21 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 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 257 more horse power than 1983 Austin Allegro. (43 HP) In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1983 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1482 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.
Let's talk about torque, 2004 GMC Sierra (488 Nm) has 418 more torque (in Nm) than 1983 Austin Allegro. (70 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1983 Austin Allegro.
Compare all specifications:
| 1983 Austin Allegro | 2004 GMC Sierra | |
| Make | Austin | GMC |
| Model | Allegro | Sierra |
| Year Released | 1983 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 998 cc | 5965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 43 HP | 300 HP |
| Torque | 70 Nm | 488 Nm |
| Engine Bore Size | 64.6 mm | 102.1 mm |
| Engine Stroke Size | 76.2 mm | 92 mm |
| Engine Compression Ratio | 9.6:1 | 9.4:1 |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 3 seats |
| Vehicle Weight | 800 kg | 2282 kg |
| Vehicle Length | 3200 mm | 5650 mm |
| Vehicle Width | 1620 mm | 2000 mm |
| Vehicle Height | 1400 mm | 1890 mm |
| Wheelbase Size | 2450 mm | 3380 mm |
