1950 Alvis TB 21 vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 59 year(s). Which means there will be less support and parts availability for 1950 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1950 Alvis TB 21 would be higher. At 6,000 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 262 more horse power than 1950 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 1950 Alvis TB 21.
Let's talk about torque, 2009 GMC Sierra (506 Nm) has 302 more torque (in Nm) than 1950 Alvis TB 21. (204 Nm). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1950 Alvis TB 21.
Compare all specifications:
| 1950 Alvis TB 21 | 2009 GMC Sierra | |
| Make | Alvis | GMC |
| Model | TB 21 | Sierra |
| Year Released | 1950 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 6000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 353 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 204 Nm | 506 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 5720 mm |
| Vehicle Width | 1680 mm | 2440 mm |
| Wheelbase Size | 2750 mm | 3380 mm |
| Fuel Tank Capacity | 64 L | 129 L |
