1953 Alvis TB 21 vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 54 year(s). Which means there will be less support and parts availability for 1953 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1953 Alvis TB 21 would be higher. At 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 261 more horse power than 1953 Alvis TB 21. (92 HP @ 4000 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1953 Alvis TB 21.
Let's talk about torque, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 302 more torque (in Nm) than 1953 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1953 Alvis TB 21.
Compare all specifications:
| 1953 Alvis TB 21 | 2007 GMC Sierra | |
| Make | Alvis | GMC |
| Model | TB 21 | Sierra |
| Year Released | 1953 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5997 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 92 HP | 353 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 204 Nm | 506 Nm |
| Torque RPM | 2200 RPM | 4400 RPM |
| Engine Bore Size | 84 mm | 102 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Number of Seats | 5 seats | 6 seats |
| Vehicle Length | 4430 mm | 6590 mm |
| Vehicle Width | 1680 mm | 2040 mm |
| Wheelbase Size | 2750 mm | 4250 mm |
