1951 Alvis TA 21 vs. 2009 Nissan Xterra
To start off, 2009 Nissan Xterra 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 3,954 cc (6 cylinders), 2009 Nissan Xterra is equipped with a bigger engine. In terms of performance, 2009 Nissan Xterra (262 HP @ 5600 RPM) has 169 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2009 Nissan Xterra should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 158 kg more than 2009 Nissan Xterra.
Because 2009 Nissan Xterra 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 Nissan Xterra 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 Nissan Xterra (381 Nm @ 4000 RPM) has 177 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2009 Nissan Xterra 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 | 2009 Nissan Xterra | |
| Make | Alvis | Nissan |
| Model | TA 21 | Xterra |
| Year Released | 1951 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3954 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 262 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 204 Nm | 381 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Compression Ratio | 7.1:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1448 kg | 1290 kg |
| Vehicle Length | 4630 mm | 4550 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Vehicle Height | 1600 mm | 1910 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
| Fuel Tank Capacity | 64 L | 80 L |
