1975 Austin 1800 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Austin 1800. In addition, the cost of maintenance, including insurance, on 1975 Austin 1800 would be higher. At 1,994 cc (4 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (148 HP @ 4000 RPM) has 62 more horse power than 1975 Austin 1800. (86 HP @ 5400 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 1975 Austin 1800. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 550 kg more than 1975 Austin 1800. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Austin 1800. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (330 Nm @ 2000 RPM) has 190 more torque (in Nm) than 1975 Austin 1800. (140 Nm @ 3000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1975 Austin 1800.
Compare all specifications:
| 1975 Austin 1800 | 2007 BMW X3 | |
| Make | Austin | BMW |
| Model | 1800 | X3 |
| Year Released | 1975 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 148 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 140 Nm | 330 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 80.3 mm | 84 mm |
| Engine Stroke Size | 88.9 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1190 kg | 1740 kg |
| Vehicle Length | 4240 mm | 4570 mm |
| Vehicle Width | 1710 mm | 1680 mm |
| Vehicle Height | 1440 mm | 1860 mm |
| Wheelbase Size | 2700 mm | 2800 mm |
| Fuel Tank Capacity | 49 L | 67 L |
