2008 Audi A8 vs. 1991 Audi Coupe
To start off, 2008 Audi A8 is newer by 17 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 3,936 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (271 HP @ 3750 RPM) has 160 more horse power than 1991 Audi Coupe. (111 HP @ 5300 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 814 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 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi Coupe. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A8 (650 Nm @ 1800 RPM) has 482 more torque (in Nm) than 1991 Audi Coupe. (168 Nm @ 3250 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe. 2008 Audi A8 has automatic transmission and 1991 Audi Coupe has manual transmission. 1991 Audi Coupe will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 1991 Audi Coupe | |
| Make | Audi | Audi |
| Model | A8 | Coupe |
| Year Released | 2008 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 1982 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 271 HP | 111 HP |
| Engine RPM | 3750 RPM | 5300 RPM |
| Torque | 650 Nm | 168 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1944 kg | 1130 kg |
| Vehicle Length | 5190 mm | 4490 mm |
| Vehicle Width | 1900 mm | 1720 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 3080 mm | 2560 mm |
| Fuel Tank Capacity | 90 L | 64 L |
