2005 Audi A4 vs. 1990 Porsche 911
To start off, 2005 Audi A4 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 3,164 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (228 HP @ 5900 RPM) has 58 more horse power than 2005 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 1990 Porsche 911 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 374 kg more than 1990 Porsche 911.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 1990 Porsche 911 (286 Nm) has 61 more torque (in Nm) than 2005 Audi A4. (225 Nm). This means 1990 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 1990 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2005 | 1990 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1786 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 170 HP | 228 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 225 Nm | 286 Nm |
| Engine Bore Size | 81 mm | 95 mm |
| Engine Stroke Size | 86 mm | 74.4 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1236 kg |
| Vehicle Length | 4550 mm | 4300 mm |
| Vehicle Width | 1770 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2770 mm | 2280 mm |
| Fuel Tank Capacity | 66 L | 80 L |
