2003 Buick Regal vs. 1973 Austin Allegro
To start off, 2003 Buick Regal is newer by 30 year(s). Which means there will be less support and parts availability for 1973 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1973 Austin Allegro would be higher. At 3,789 cc (6 cylinders), 2003 Buick Regal is equipped with a bigger engine. In terms of performance, 2003 Buick Regal (197 HP @ 5200 RPM) has 126 more horse power than 1973 Austin Allegro. (71 HP @ 5500 RPM). In normal driving conditions, 2003 Buick Regal should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Regal weights approximately 670 kg more than 1973 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Buick Regal (312 Nm @ 4000 RPM) has 180 more torque (in Nm) than 1973 Austin Allegro. (132 Nm @ 2300 RPM). This means 2003 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 2003 Buick Regal | 1973 Austin Allegro | |
| Make | Buick | Austin |
| Model | Regal | Allegro |
| Year Released | 2003 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 1748 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 197 HP | 71 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 312 Nm | 132 Nm |
| Torque RPM | 4000 RPM | 2300 RPM |
| Engine Bore Size | 97 mm | 76.2 mm |
| Engine Stroke Size | 86 mm | 95.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 890 kg |
| Vehicle Length | 4990 mm | 3200 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2780 mm | 2450 mm |
| Fuel Tank Capacity | 64 L | 47 L |
