2005 Audi S6 vs. 1978 Pontiac Firebird
To start off, 2005 Audi S6 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1978 Pontiac Firebird would be higher. At 4,942 cc (8 cylinders), 1978 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 135 more horse power than 1978 Pontiac Firebird. (200 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S6 should accelerate faster than 1978 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 230 kg more than 1978 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2005 Audi S6 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, 1978 Pontiac Firebird (459 Nm @ 2000 RPM) has 39 more torque (in Nm) than 2005 Audi S6. (420 Nm @ 3400 RPM). This means 1978 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S6.
Compare all specifications:
| 2005 Audi S6 | 1978 Pontiac Firebird | |
| Make | Audi | Pontiac |
| Model | S6 | Firebird |
| Year Released | 2005 | 1978 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 200 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 420 Nm | 459 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 101.6 mm |
| Engine Stroke Size | 93 mm | 76.2 mm |
| Engine Compression Ratio | 11.0:1 | 7.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 190 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1585 kg |
| Vehicle Length | 4840 mm | 4880 mm |
| Vehicle Width | 1860 mm | 1870 mm |
| Vehicle Height | 1450 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2750 mm |
