1951 Alvis TA 21 vs. 1997 Infiniti QX4
To start off, 1997 Infiniti QX4 is newer by 46 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 3,498 cc (6 cylinders), 1997 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 1997 Infiniti QX4 (238 HP @ 6000 RPM) has 145 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1997 Infiniti QX4 should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1997 Infiniti QX4 weights approximately 512 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 1997 Infiniti QX4 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, 1997 Infiniti QX4 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, 1997 Infiniti QX4 (360 Nm @ 3200 RPM) has 156 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1997 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21. 1997 Infiniti QX4 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. 1997 Infiniti QX4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Alvis TA 21 | 1997 Infiniti QX4 | |
| Make | Alvis | Infiniti |
| Model | TA 21 | QX4 |
| Year Released | 1951 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 238 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 360 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1448 kg | 1960 kg |
| Vehicle Length | 4630 mm | 4660 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Vehicle Height | 1600 mm | 1800 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
