2009 Audi A8 vs. 1991 Audi 80
To start off, 2009 Audi A8 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Audi 80. In addition, the cost of maintenance, including insurance, on 1991 Audi 80 would be higher. At 5,998 cc, 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 6200 RPM) has 356 more horse power than 1991 Audi 80. (88 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 1991 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 725 kg more than 1991 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 80. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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, 2009 Audi A8 (580 Nm @ 4000 RPM) has 398 more torque (in Nm) than 1991 Audi 80. (182 Nm @ 2300 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 80. 2009 Audi A8 has automatic transmission and 1991 Audi 80 has manual transmission. 1991 Audi 80 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 1991 Audi 80 | |
| Make | Audi | Audi |
| Model | A8 | 80 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1896 cc |
| Engine Type | W | in-line |
| Horse Power | 444 HP | 88 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 580 Nm | 182 Nm |
| Torque RPM | 4000 RPM | 2300 RPM |
| Engine Compression Ratio | 11.0:1 | 21.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 175 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 14.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1995 kg | 1270 kg |
| Vehicle Length | 5070 mm | 4490 mm |
| Vehicle Width | 1900 mm | 1710 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 3080 mm | 2610 mm |
| Fuel Consumption Overall | 13.8 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 90 L | 66 L |
