1951 Alvis TA 21 vs. 1990 Pontiac Firebird
To start off, 1990 Pontiac Firebird is newer by 39 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 5,733 cc (8 cylinders), 1990 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1990 Pontiac Firebird (235 HP @ 4400 RPM) has 142 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1990 Pontiac Firebird should accelerate faster than 1951 Alvis TA 21.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1990 Pontiac Firebird (447 Nm @ 3200 RPM) has 243 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1990 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21.
Compare all specifications:
| 1951 Alvis TA 21 | 1990 Pontiac Firebird | |
| Make | Alvis | Pontiac |
| Model | TA 21 | Firebird |
| Year Released | 1951 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 93 HP | 235 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 204 Nm | 447 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 101.6 mm |
| Engine Stroke Size | 90 mm | 88.4 mm |
| Engine Compression Ratio | 7.1:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4630 mm | 4840 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Vehicle Height | 1600 mm | 1270 mm |
| Wheelbase Size | 2840 mm | 2570 mm |
| Fuel Tank Capacity | 64 L | 76 L |
