1951 Alvis TA 21 vs. 2009 Lexus RX
To start off, 2009 Lexus RX is newer by 58 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. At 3,439 cc (6 cylinders), 2009 Lexus RX is equipped with a bigger engine. In terms of performance, 2009 Lexus RX (270 HP @ 6200 RPM) has 177 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2009 Lexus RX should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus RX weights approximately 462 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 2009 Lexus RX 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, 2009 Lexus RX 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, 2009 Lexus RX (340 Nm @ 4700 RPM) has 136 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2009 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21. 2009 Lexus RX has automatic transmission and 1951 Alvis TA 21 has manual transmission. 1951 Alvis TA 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Lexus RX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Alvis TA 21 | 2009 Lexus RX | |
| Make | Alvis | Lexus |
| Model | TA 21 | RX |
| Year Released | 1951 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3439 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 270 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 204 Nm | 340 Nm |
| Torque RPM | 2000 RPM | 4700 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 96 mm |
| Engine Compression Ratio | 7.1:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1448 kg | 1910 kg |
| Vehicle Length | 4630 mm | 4740 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Vehicle Height | 1600 mm | 1690 mm |
| Wheelbase Size | 2840 mm | 2720 mm |
| Fuel Tank Capacity | 64 L | 73 L |
