1951 Alvis TA 21 vs. 1949 Triumph Renown
To start off, 1951 Alvis TA 21 is newer by 2 year(s). Which means there will be less support and parts availability for 1949 Triumph Renown. In addition, the cost of maintenance, including insurance, on 1949 Triumph Renown 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 26 more horse power than 1949 Triumph Renown. (67 HP @ 4200 RPM). In normal driving conditions, 1951 Alvis TA 21 should accelerate faster than 1949 Triumph Renown. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 168 kg more than 1949 Triumph Renown. 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 56 more torque (in Nm) than 1949 Triumph Renown. (148 Nm @ 2000 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 1949 Triumph Renown.
Compare all specifications:
| 1951 Alvis TA 21 | 1949 Triumph Renown | |
| Make | Alvis | Triumph |
| Model | TA 21 | Renown |
| Year Released | 1951 | 1949 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2088 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 67 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 204 Nm | 148 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 85 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1448 kg | 1280 kg |
| Vehicle Length | 4630 mm | 4450 mm |
| Vehicle Width | 1680 mm | 1630 mm |
| Vehicle Height | 1600 mm | 1610 mm |
| Wheelbase Size | 2840 mm | 2750 mm |
