1952 Alvis TB 21 vs. 1981 GMC Suburban
To start off, 1981 GMC Suburban is newer by 29 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 6,210 cc (8 cylinders), 1981 GMC Suburban is equipped with a bigger engine. In terms of performance, 1981 GMC Suburban (129 HP @ 3600 RPM) has 38 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1981 GMC Suburban should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1981 GMC Suburban (326 Nm @ 2000 RPM) has 122 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1981 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 1981 GMC Suburban | |
| Make | Alvis | GMC |
| Model | TB 21 | Suburban |
| Year Released | 1952 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 6210 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 129 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 204 Nm | 326 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Length | 4430 mm | 5480 mm |
| Vehicle Width | 1680 mm | 1950 mm |
| Wheelbase Size | 2750 mm | 3300 mm |
