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 4,172 cc (8 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (296 HP @ 6200 RPM) has 161 more horse power than 1987 Audi 90. (135 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 505 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (410 Nm @ 3000 RPM) has 224 more torque (in Nm) than 1987 Audi 90. (186 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. 2005 Audi A6 has automatic transmission and 1987 Audi 90 has manual transmission. 1987 Audi 90 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
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 | 4172 cc | 2309 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 296 HP | 135 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 410 Nm | 186 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1310 kg |
| Vehicle Length | 4840 mm | 4400 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2470 mm | 2690 mm |
| Fuel Consumption Overall | 13.1 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 82 L | 80 L |
