1955 Alvis TC 21 vs. 2013 Acura ZDX
To start off, 2013 Acura ZDX is newer by 58 year(s). Which means there will be less support and parts availability for 1955 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1955 Alvis TC 21 would be higher. At 3,700 cc (6 cylinders), 2013 Acura ZDX is equipped with a bigger engine. In terms of performance, 2013 Acura ZDX (300 HP @ 6300 RPM) has 195 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2013 Acura ZDX should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 2013 Acura ZDX weights approximately 563 kg more than 1955 Alvis TC 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Acura ZDX is all wheel drive (AWD), it will have significant more traction and grip than 1955 Alvis TC 21. In wet, icy, snow, or gravel driving conditions, 2013 Acura ZDX 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 Acura ZDX (366 Nm @ 4500 RPM) has 145 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 2013 Acura ZDX will have an easier job in driving up hills or pulling heavy equipment than 1955 Alvis TC 21. 2013 Acura ZDX has automatic transmission and 1955 Alvis TC 21 has manual transmission. 1955 Alvis TC 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Acura ZDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Alvis TC 21 | 2013 Acura ZDX | |
| Make | Alvis | Acura |
| Model | TC 21 | ZDX |
| Year Released | 1955 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3700 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 300 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 221 Nm | 366 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 90 mm | 96 mm |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 2013 kg |
| Vehicle Length | 4810 mm | 4887 mm |
| Vehicle Width | 1680 mm | 2174 mm |
| Vehicle Height | 1590 mm | 1596 mm |
| Wheelbase Size | 2840 mm | 2750 mm |
