2005 Audi S4 vs. 1973 Pontiac Firebird
To start off, 2005 Audi S4 is newer by 32 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 7,462 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 44 more horse power than 1973 Pontiac Firebird. (296 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 35 kg more than 1973 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1973 Pontiac Firebird (563 Nm) has 153 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1973 Pontiac Firebird | |
| Make | Audi | Pontiac |
| Model | S4 | Firebird |
| Year Released | 2005 | 1973 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 7462 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 296 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 410 Nm | 563 Nm |
| Engine Bore Size | 85 mm | 105.4 mm |
| Engine Stroke Size | 93 mm | 106.9 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1750 kg |
| Vehicle Length | 4550 mm | 4870 mm |
| Vehicle Width | 1770 mm | 1870 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2470 mm | 2750 mm |
| Fuel Tank Capacity | 66 L | 76 L |
