1971 Austin 3 vs. 2011 BMW X5
To start off, 2011 BMW X5 is newer by 40 year(s). Which means there will be less support and parts availability for 1971 Austin 3. In addition, the cost of maintenance, including insurance, on 1971 Austin 3 would be higher. At 2,993 cc (6 cylinders), 2011 BMW X5 is equipped with a bigger engine. In terms of performance, 2011 BMW X5 (304 HP @ 440 RPM) has 181 more horse power than 1971 Austin 3. (123 HP @ 4500 RPM) In normal driving conditions, 2011 BMW X5 should accelerate faster than 1971 Austin 3. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X5 weights approximately 695 kg more than 1971 Austin 3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1971 Austin 3. In wet, icy, snow, or gravel driving conditions, 2011 BMW X5 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, 2011 BMW X5 (600 Nm @ 1500 RPM) has 382 more torque (in Nm) than 1971 Austin 3. (218 Nm @ 3000 RPM). This means 2011 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1971 Austin 3.
Compare all specifications:
| 1971 Austin 3 | 2011 BMW X5 | |
| Make | Austin | BMW |
| Model | 3 | X5 |
| Year Released | 1971 | 2011 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2910 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 304 HP |
| Engine RPM | 4500 RPM | 440 RPM |
| Torque | 218 Nm | 600 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Engine Bore Size | 83.4 mm | 90 mm |
| Engine Stroke Size | 88.9 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | AWD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 2185 kg |
| Vehicle Length | 4720 mm | 4857 mm |
| Vehicle Width | 1700 mm | 1933 mm |
| Vehicle Height | 1450 mm | 1776 mm |
| Wheelbase Size | 2940 mm | 2934 mm |
| Fuel Tank Capacity | 65 L | 85 L |
