1951 Alvis TA 21 vs. 1983 Hummer H1
To start off, 1983 Hummer H1 is newer by 32 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 5,733 cc (8 cylinders), 1983 Hummer H1 is equipped with a bigger engine. In terms of performance, 1983 Hummer H1 (187 HP @ 4000 RPM) has 94 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1983 Hummer H1 should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1983 Hummer H1 weights approximately 1322 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 1983 Hummer H1 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, 1983 Hummer H1 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, 1983 Hummer H1 (407 Nm @ 2400 RPM) has 203 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1983 Hummer H1 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 | 1983 Hummer H1 | |
| Make | Alvis | Hummer |
| Model | TA 21 | H1 |
| Year Released | 1951 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 187 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 204 Nm | 407 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1448 kg | 2770 kg |
| Vehicle Length | 4630 mm | 4690 mm |
| Vehicle Width | 1680 mm | 2200 mm |
| Vehicle Height | 1600 mm | 1840 mm |
| Wheelbase Size | 2840 mm | 3310 mm |
