1952 Alvis TB 21 vs. 2003 GMC Sierra
To start off, 2003 GMC Sierra is newer by 51 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 5,967 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 GMC Sierra (321 HP @ 5000 RPM) has 230 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2003 GMC Sierra should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2003 GMC Sierra (370 Nm @ 4000 RPM) has 166 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2003 GMC Sierra 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 | 2003 GMC Sierra | |
| Make | Alvis | GMC |
| Model | TB 21 | Sierra |
| Year Released | 1952 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 5967 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 91 HP | 321 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 370 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 6 seats |
| Vehicle Length | 4430 mm | 5790 mm |
| Vehicle Width | 1680 mm | 2000 mm |
| Wheelbase Size | 2750 mm | 3650 mm |
