1951 Alvis TA 21 vs. 1959 Triumph Herald
To start off, 1959 Triumph Herald is newer by 8 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TA 21 is equipped with a bigger engine. In terms of performance, 1951 Alvis TA 21 (93 HP @ 4000 RPM) has 55 more horse power than 1959 Triumph Herald. (38 HP @ 4500 RPM). In normal driving conditions, 1951 Alvis TA 21 should accelerate faster than 1959 Triumph Herald. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 668 kg more than 1959 Triumph Herald. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1951 Alvis TA 21 (204 Nm @ 2000 RPM) has 120 more torque (in Nm) than 1959 Triumph Herald. (84 Nm @ 2250 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 1959 Triumph Herald.
Compare all specifications:
| 1951 Alvis TA 21 | 1959 Triumph Herald | |
| Make | Alvis | Triumph |
| Model | TA 21 | Herald |
| Year Released | 1951 | 1959 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1147 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 38 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 204 Nm | 84 Nm |
| Torque RPM | 2000 RPM | 2250 RPM |
| Engine Bore Size | 84 mm | 69.3 mm |
| Engine Stroke Size | 90 mm | 76 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1448 kg | 780 kg |
| Vehicle Length | 4630 mm | 3890 mm |
| Vehicle Width | 1680 mm | 1530 mm |
| Vehicle Height | 1600 mm | 1510 mm |
| Wheelbase Size | 2840 mm | 2320 mm |
| Fuel Tank Capacity | 64 L | 29 L |
