1973 Austin Allegro vs. 2013 BMW X5 M
To start off, 2013 BMW X5 M is newer by 40 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 4,395 cc (8 cylinders), 2013 BMW X5 M is equipped with a bigger engine. In terms of performance, 2013 BMW X5 M (547 HP @ 6000 RPM) has 489 more horse power than 1973 Austin Allegro. (58 HP @ 5300 RPM) In normal driving conditions, 2013 BMW X5 M should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X5 M weights approximately 1615 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 2013 BMW X5 M is all wheel drive (AWD), it will have significant more traction and grip than 1973 Austin Allegro. In wet, icy, snow, or gravel driving conditions, 2013 BMW X5 M 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, 2013 BMW X5 M (678 Nm @ 5650 RPM) has 585 more torque (in Nm) than 1973 Austin Allegro. (93 Nm @ 3000 RPM). This means 2013 BMW X5 M will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro. 2013 BMW X5 M 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. 2013 BMW X5 M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Austin Allegro | 2013 BMW X5 M | |
| Make | Austin | BMW |
| Model | Allegro | X5 M |
| Year Released | 1973 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1275 cc | 4395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 58 HP | 547 HP |
| Engine RPM | 5300 RPM | 6000 RPM |
| Torque | 93 Nm | 678 Nm |
| Torque RPM | 3000 RPM | 5650 RPM |
| Engine Bore Size | 70.6 mm | 89 mm |
| Engine Stroke Size | 81.3 mm | 88 mm |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 820 kg | 2435 kg |
| Vehicle Length | 3860 mm | 4851 mm |
| Vehicle Width | 1620 mm | 2197 mm |
| Vehicle Height | 1400 mm | 1764 mm |
| Wheelbase Size | 2440 mm | 2933 mm |
| Fuel Tank Capacity | 47 L | 85 L |
