1973 Austin Allegro vs. 1977 Buick Regal
To start off, 1977 Buick Regal is newer by 4 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 4,932 cc (8 cylinders), 1977 Buick Regal is equipped with a bigger engine. In terms of performance, 1977 Buick Regal (143 HP @ 3800 RPM) has 99 more horse power than 1973 Austin Allegro. (44 HP @ 5250 RPM) In normal driving conditions, 1977 Buick Regal should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1977 Buick Regal weights approximately 655 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.
Because 1977 Buick Regal is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 Buick Regal. However, in wet, icy, snow, or gravel driving conditions, 1973 Austin Allegro, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 Buick Regal (334 Nm @ 2400 RPM) has 260 more torque (in Nm) than 1973 Austin Allegro. (74 Nm @ 2900 RPM). This means 1977 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro. 1977 Buick Regal has automatic transmission and 1973 Austin Allegro has manual transmission. 1973 Austin Allegro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Austin Allegro | 1977 Buick Regal | |
| Make | Austin | Buick |
| Model | Allegro | Regal |
| Year Released | 1973 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 4932 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 44 HP | 143 HP |
| Engine RPM | 5250 RPM | 3800 RPM |
| Torque | 74 Nm | 334 Nm |
| Torque RPM | 2900 RPM | 2400 RPM |
| Engine Bore Size | 64.6 mm | 101.6 mm |
| Engine Stroke Size | 83.7 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 815 kg | 1470 kg |
| Vehicle Length | 3200 mm | 5090 mm |
| Vehicle Width | 1620 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2450 mm | 2750 mm |
