1953 Alvis TB 21 vs. 1977 Pontiac Firebird
To start off, 1977 Pontiac Firebird is newer by 24 year(s). Which means there will be less support and parts availability for 1953 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1953 Alvis TB 21 would be higher. At 6,547 cc (8 cylinders), 1977 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1977 Pontiac Firebird (285 HP @ 4400 RPM) has 193 more horse power than 1953 Alvis TB 21. (92 HP @ 4000 RPM) In normal driving conditions, 1977 Pontiac Firebird should accelerate faster than 1953 Alvis TB 21.
Let's talk about torque, 1977 Pontiac Firebird (421 Nm @ 2400 RPM) has 217 more torque (in Nm) than 1953 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1977 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1953 Alvis TB 21.
Compare all specifications:
1953 Alvis TB 21 | 1977 Pontiac Firebird | |
Make | Alvis | Pontiac |
Model | TB 21 | Firebird |
Year Released | 1953 | 1977 |
Engine Position | Front | Front |
Engine Size | 2993 cc | 6547 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 92 HP | 285 HP |
Engine RPM | 4000 RPM | 4400 RPM |
Torque | 204 Nm | 421 Nm |
Torque RPM | 2200 RPM | 2400 RPM |
Engine Bore Size | 84 mm | 104.7 mm |
Engine Stroke Size | 90 mm | 95.3 mm |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 5 seats | 4 seats |
Vehicle Length | 4430 mm | 4880 mm |
Vehicle Width | 1680 mm | 1870 mm |
Wheelbase Size | 2750 mm | 2750 mm |