2005 Audi A4 vs. 1991 Pontiac Firebird
To start off, 2005 Audi A4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1991 Pontiac Firebird would be higher. At 3,128 cc (6 cylinders), 1991 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (220 HP @ 6300 RPM) has 80 more horse power than 1991 Pontiac Firebird. (140 HP @ 4400 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1991 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 20 kg more than 1991 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Pontiac Firebird is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 A4 (300 Nm @ 3200 RPM) has 56 more torque (in Nm) than 1991 Pontiac Firebird. (244 Nm @ 3600 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Pontiac Firebird.
Compare all specifications:
| 2005 Audi A4 | 1991 Pontiac Firebird | |
| Make | Audi | Pontiac |
| Model | A4 | Firebird |
| Year Released | 2005 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 3128 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 220 HP | 140 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Torque | 300 Nm | 244 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Bore Size | 83.1 mm | 88.9 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Engine Compression Ratio | 10.1:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1410 kg |
| Vehicle Length | 4550 mm | 4790 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2770 mm | 2570 mm |
| Fuel Tank Capacity | 70 L | 59 L |
