2005 Audi A6 vs. 1987 Audi 90
To start off, 2005 Audi A6 is newer by 18 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 2,967 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (220 HP @ 4000 RPM) has 86 more horse power than 1987 Audi 90. (134 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1987 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 575 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 2005 Audi A6 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, 2005 Audi A6 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, 2005 Audi A6 (451 Nm @ 1400 RPM) has 264 more torque (in Nm) than 1987 Audi 90. (187 Nm @ 4000 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Audi 90.
Compare all specifications:
| 2005 Audi A6 | 1987 Audi 90 | |
| Make | Audi | Audi |
| Model | A6 | 90 |
| Year Released | 2005 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2309 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 220 HP | 134 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 451 Nm | 187 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 91.4 mm | 86.4 mm |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 243 km/hour | 209 km/hour |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1190 kg |
| Vehicle Length | 4920 mm | 4400 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2540 mm |
| Fuel Consumption Overall | 8.3 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
