2009 Audi A6 vs. 1991 Audi Coupe
To start off, 2009 Audi A6 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Audi Coupe. In addition, the cost of maintenance, including insurance, on 1991 Audi Coupe would be higher. At 2,967 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (230 HP @ 4000 RPM) has 55 more horse power than 1991 Audi Coupe. (175 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 500 kg more than 1991 Audi Coupe. 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, 2009 Audi A6 (451 Nm @ 1400 RPM) has 202 more torque (in Nm) than 1991 Audi Coupe. (249 Nm @ 3000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe.
Compare all specifications:
| 2009 Audi A6 | 1991 Audi Coupe | |
| Make | Audi | Audi |
| Model | A6 | Coupe |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2771 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 230 HP | 175 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 451 Nm | 249 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 91.4 mm | 86.4 mm |
| Top Speed | 247 km/hour | 204 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1820 kg | 1320 kg |
| Vehicle Length | 4920 mm | 4370 mm |
| Vehicle Width | 1860 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2850 mm | 2560 mm |
