2005 Audi S4 vs. 1985 Pontiac Firebird
To start off, 2005 Audi S4 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1985 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 (339 HP @ 7000 RPM) has 206 more horse power than 1985 Pontiac Firebird. (133 HP @ 5100 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1985 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 319 kg more than 1985 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2005 Audi S4 will offer significantly more control. 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, 2005 Audi S4 (430 Nm @ 3500 RPM) has 207 more torque (in Nm) than 1985 Pontiac Firebird. (223 Nm @ 3600 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1985 Pontiac Firebird.
Compare all specifications:
| 2005 Audi S4 | 1985 Pontiac Firebird | |
| Make | Audi | Pontiac |
| Model | S4 | Firebird |
| Year Released | 2005 | 1985 |
| 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 | 339 HP | 133 HP |
| Engine RPM | 7000 RPM | 5100 RPM |
| Torque | 430 Nm | 223 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 88.9 mm |
| Engine Stroke Size | 92.8 mm | 75.9 mm |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 161 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1675 kg | 1356 kg |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1270 mm |
| Wheelbase Size | 2580 mm | 2740 mm |
| Fuel Tank Capacity | 66 L | 60 L |
