2004 Audi A8 vs. 1991 Audi Coupe
To start off, 2004 Audi A8 is newer by 13 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 2,976 cc (6 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (217 HP @ 6300 RPM) has 42 more horse power than 1991 Audi Coupe. (175 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 380 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.
Because 1991 Audi Coupe is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A8. In wet, icy, snow, or gravel driving conditions, 1991 Audi Coupe 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, 2004 Audi A8 (300 Nm @ 3200 RPM) has 51 more torque (in Nm) than 1991 Audi Coupe. (249 Nm @ 3000 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe.
Compare all specifications:
| 2004 Audi A8 | 1991 Audi Coupe | |
| Make | Audi | Audi |
| Model | A8 | Coupe |
| Year Released | 2004 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2771 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 217 HP | 175 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 300 Nm | 249 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1700 kg | 1320 kg |
| Vehicle Length | 5060 mm | 4370 mm |
| Vehicle Width | 1900 mm | 1720 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2770 mm | 2560 mm |
