1951 Alvis TB 21 vs. 2009 Hyundai Sonata
To start off, 2009 Hyundai Sonata is newer by 58 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2009 Hyundai Sonata (138 HP @ 4000 RPM) has 47 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2009 Hyundai Sonata should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2009 Hyundai Sonata (305 Nm) has 101 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2009 Hyundai Sonata will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 2009 Hyundai Sonata | |
| Make | Alvis | Hyundai |
| Model | TB 21 | Sonata |
| Year Released | 1951 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 138 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 204 Nm | 305 Nm |
| Engine Compression Ratio | 7.1:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4810 mm |
| Vehicle Width | 1680 mm | 1830 mm |
| Wheelbase Size | 2750 mm | 2740 mm |
