2004 GMC Sierra vs. 1972 Austin Allegro
To start off, 2004 GMC Sierra is newer by 32 year(s). Which means there will be less support and parts availability for 1972 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1972 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 232 more horse power than 1972 Austin Allegro. (68 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1972 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1412 kg more than 1972 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 384 more torque (in Nm) than 1972 Austin Allegro. (104 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1972 Austin Allegro. 1972 Austin Allegro has automatic transmission and 2004 GMC Sierra has manual transmission. 2004 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1972 Austin Allegro will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 GMC Sierra | 1972 Austin Allegro | |
| Make | GMC | Austin |
| Model | Sierra | Allegro |
| Year Released | 2004 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1485 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 68 HP |
| Torque | 488 Nm | 104 Nm |
| Engine Bore Size | 102.1 mm | 76.2 mm |
| Engine Stroke Size | 92 mm | 81.4 mm |
| Transmission Type | Manual | Automatic |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2282 kg | 870 kg |
| Vehicle Length | 5650 mm | 3200 mm |
| Vehicle Width | 2000 mm | 1620 mm |
| Vehicle Height | 1890 mm | 1400 mm |
| Wheelbase Size | 3380 mm | 2450 mm |
| Fuel Tank Capacity | 129 L | 47 L |
