2005 Audi S4 vs. 1986 Pontiac Firebird
To start off, 2005 Audi S4 is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1986 Pontiac Firebird would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6200 RPM) has 200 more horse power than 1986 Pontiac Firebird. (140 HP @ 5100 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1986 Pontiac Firebird.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 180 more torque (in Nm) than 1986 Pontiac Firebird. (230 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Pontiac Firebird.
Compare all specifications:
| 2005 Audi S4 | 1986 Pontiac Firebird | |
| Make | Audi | Pontiac |
| Model | S4 | Firebird |
| Year Released | 2005 | 1986 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2827 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 140 HP |
| Engine RPM | 6200 RPM | 5100 RPM |
| Torque | 410 Nm | 230 Nm |
| Engine Bore Size | 85 mm | 88.9 mm |
| Engine Stroke Size | 93 mm | 75.9 mm |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4550 mm | 4880 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2760 mm | 2580 mm |
| Fuel Tank Capacity | 66 L | 60 L |
