1955 Alvis TC 21 vs. 1976 GMC Jimmy
To start off, 1976 GMC Jimmy is newer by 21 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 4,093 cc (6 cylinders), 1976 GMC Jimmy is equipped with a bigger engine. In terms of performance, 1955 Alvis TC 21 (105 HP @ 4000 RPM) has 5 more horse power than 1976 GMC Jimmy. (100 HP @ 3600 RPM). In normal driving conditions, 1955 Alvis TC 21 should accelerate faster than 1976 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 1976 GMC Jimmy weights approximately 350 kg more than 1955 Alvis TC 21.
Because 1976 GMC Jimmy is four wheel drive (4WD), it will have significant more traction and grip than 1955 Alvis TC 21. In wet, icy, snow, or gravel driving conditions, 1976 GMC Jimmy 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, 1976 GMC Jimmy (242 Nm @ 1600 RPM) has 21 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 1976 GMC Jimmy will have an easier job in driving up hills or pulling heavy equipment than 1955 Alvis TC 21. 1976 GMC Jimmy 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. 1976 GMC Jimmy will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Alvis TC 21 | 1976 GMC Jimmy | |
| Make | Alvis | GMC |
| Model | TC 21 | Jimmy |
| Year Released | 1955 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4093 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 100 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 221 Nm | 242 Nm |
| Torque RPM | 2500 RPM | 1600 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1450 kg | 1800 kg |
| Vehicle Length | 4810 mm | 4690 mm |
| Vehicle Width | 1680 mm | 2030 mm |
| Vehicle Height | 1590 mm | 1840 mm |
| Wheelbase Size | 2840 mm | 2720 mm |
