1951 Alvis TA 21 vs. 2008 BMW X3
To start off, 2008 BMW X3 is newer by 57 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. Both 1951 Alvis TA 21 and 2008 BMW X3 are equipped with a 2,993 cc engine. In terms of performance, 2008 BMW X3 (201 HP @ 4000 RPM) has 108 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2008 BMW X3 should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 478 kg more than 1951 Alvis TA 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Alvis TA 21. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 BMW X3 (410 Nm @ 1500 RPM) has 206 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2008 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21.
Compare all specifications:
| 1951 Alvis TA 21 | 2008 BMW X3 | |
| Make | Alvis | BMW |
| Model | TA 21 | X3 |
| Year Released | 1951 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 201 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 204 Nm | 410 Nm |
| Torque RPM | 2000 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 7.1:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1448 kg | 1926 kg |
| Vehicle Length | 4630 mm | 4570 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Vehicle Height | 1600 mm | 1680 mm |
| Wheelbase Size | 2840 mm | 2800 mm |
| Fuel Tank Capacity | 64 L | 67 L |
