1987 Audi 90 vs. 1999 Porsche 911
To start off, 1999 Porsche 911 is newer by 12 year(s). Which means there will be less support and parts availability for 1987 Audi 90. In addition, the cost of maintenance, including insurance, on 1987 Audi 90 would be higher. At 3,595 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6000 RPM) has 280 more horse power than 1987 Audi 90. (134 HP @ 5500 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 1987 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1999 Porsche 911 weights approximately 350 kg more than 1987 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Audi 90. In wet, icy, snow, or gravel driving conditions, 1999 Porsche 911 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 373 more torque (in Nm) than 1987 Audi 90. (187 Nm @ 4000 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1987 Audi 90.
Compare all specifications:
| 1987 Audi 90 | 1999 Porsche 911 | |
| Make | Audi | Porsche |
| Model | 90 | 911 |
| Year Released | 1987 | 1999 |
| Engine Position | Front | Rear |
| Engine Size | 2309 cc | 3595 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 134 HP | 414 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 187 Nm | 560 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Engine Bore Size | 82.5 mm | 100 mm |
| Engine Stroke Size | 86.4 mm | 76.4 mm |
| Top Speed | 209 km/hour | 304 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1190 kg | 1540 kg |
| Vehicle Length | 4400 mm | 4440 mm |
| Vehicle Width | 1700 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2540 mm | 2360 mm |
| Fuel Tank Capacity | 80 L | 64 L |
