1951 Alvis TB 21 vs. 2013 Kia Optima
To start off, 2013 Kia Optima is newer by 62 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, 2013 Kia Optima (270 HP @ 6000 RPM) has 179 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2013 Kia Optima should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2013 Kia Optima (365 Nm) has 161 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2013 Kia Optima 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 | 2013 Kia Optima | |
| Make | Alvis | Kia |
| Model | TB 21 | Optima |
| Year Released | 1951 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 270 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 365 Nm |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4845 mm |
| Vehicle Width | 1680 mm | 1830 mm |
| Wheelbase Size | 2750 mm | 2795 mm |
