2005 Audi A4 vs. 1998 Porsche 911
To start off, 2005 Audi A4 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Porsche 911. In addition, the cost of maintenance, including insurance, on 1998 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 1998 Porsche 911 is equipped with a bigger engine. In terms of performance, 1998 Porsche 911 (444 HP @ 5750 RPM) has 284 more horse power than 2005 Audi A4. (160 HP @ 1950 RPM) In normal driving conditions, 1998 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 135 kg more than 1998 Porsche 911.
Let's talk about torque, 1998 Porsche 911 (665 Nm @ 5000 RPM) has 440 more torque (in Nm) than 2005 Audi A4. (225 Nm @ 1950 RPM). This means 1998 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 | 1998 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2005 | 1998 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1780 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 160 HP | 444 HP |
| Engine RPM | 1950 RPM | 5750 RPM |
| Torque | 225 Nm | 665 Nm |
| Torque RPM | 1950 RPM | 5000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1295 kg |
| Vehicle Length | 4550 mm | 4250 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1270 mm |
| Wheelbase Size | 2770 mm | 2280 mm |
