1973 Austin Allegro vs. 1981 Chevrolet Blazer
To start off, 1981 Chevrolet Blazer is newer by 8 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 4,093 cc (6 cylinders), 1981 Chevrolet Blazer is equipped with a bigger engine. In terms of performance, 1981 Chevrolet Blazer (129 HP @ 4000 RPM) has 81 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 1981 Chevrolet Blazer should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1981 Chevrolet Blazer weights approximately 1030 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 1981 Chevrolet Blazer is four wheel drive (4WD), it will have significant more traction and grip than 1973 Austin Allegro. In wet, icy, snow, or gravel driving conditions, 1981 Chevrolet Blazer 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, 1981 Chevrolet Blazer (285 Nm @ 2000 RPM) has 204 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 1981 Chevrolet Blazer will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro. 1981 Chevrolet Blazer 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. 1981 Chevrolet Blazer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Austin Allegro | 1981 Chevrolet Blazer | |
| Make | Austin | Chevrolet |
| Model | Allegro | Blazer |
| Year Released | 1973 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 4093 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 48 HP | 129 HP |
| Engine RPM | 5250 RPM | 4000 RPM |
| Torque | 81 Nm | 285 Nm |
| Torque RPM | 2450 RPM | 2000 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 1830 kg |
| Vehicle Length | 3860 mm | 4670 mm |
| Vehicle Width | 1620 mm | 2050 mm |
| Vehicle Height | 1400 mm | 1870 mm |
| Wheelbase Size | 2440 mm | 2710 mm |
