1971 Austin 3 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 37 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 4,797 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (355 HP @ 6200 RPM) has 232 more horse power than 1971 Austin 3. (123 HP @ 4500 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 1971 Austin 3. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 710 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 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Austin 3. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 BMW X5 (490 Nm @ 3600 RPM) has 272 more torque (in Nm) than 1971 Austin 3. (218 Nm @ 3000 RPM). This means 2008 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 | 2008 BMW X5 | |
| Make | Austin | BMW |
| Model | 3 | X5 |
| Year Released | 1971 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2910 cc | 4797 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 355 HP |
| Engine RPM | 4500 RPM | 6200 RPM |
| Torque | 218 Nm | 490 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Bore Size | 83.4 mm | 93 mm |
| Engine Stroke Size | 88.9 mm | 88.3 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 2200 kg |
| Vehicle Length | 4720 mm | 4670 mm |
| Vehicle Width | 1700 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1710 mm |
| Wheelbase Size | 2940 mm | 2830 mm |
| Fuel Tank Capacity | 65 L | 93 L |
