1951 Alvis TA 21 vs. 2013 Jaguar XF
To start off, 2013 Jaguar XF is newer by 62 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 2,995 cc (4 cylinders), 2013 Jaguar XF is equipped with a bigger engine. In terms of performance, 2013 Jaguar XF (335 HP @ 6500 RPM) has 242 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2013 Jaguar XF should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2013 Jaguar XF weights approximately 554 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 2013 Jaguar XF is all wheel drive (AWD), it will have significant more traction and grip than 1951 Alvis TA 21. In wet, icy, snow, or gravel driving conditions, 2013 Jaguar XF 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, 2013 Jaguar XF (340 Nm @ 5000 RPM) has 136 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2013 Jaguar XF 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 | 2013 Jaguar XF | |
| Make | Alvis | Jaguar |
| Model | TA 21 | XF |
| Year Released | 1951 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 335 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 204 Nm | 340 Nm |
| Torque RPM | 2000 RPM | 5000 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 89 mm |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1448 kg | 2002 kg |
| Vehicle Length | 4630 mm | 4961 mm |
| Vehicle Width | 1680 mm | 2053 mm |
| Vehicle Height | 1600 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2909 mm |
