2004 Audi A8 vs. 1991 Buick Reatta
To start off, 2004 Audi A8 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Buick Reatta. In addition, the cost of maintenance, including insurance, on 1991 Buick Reatta would be higher. At 3,791 cc (6 cylinders), 1991 Buick Reatta is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (276 HP @ 6000 RPM) has 111 more horse power than 1991 Buick Reatta. (165 HP @ 4400 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 1991 Buick Reatta. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 298 kg more than 1991 Buick Reatta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Reatta. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A8 (360 Nm) has 74 more torque (in Nm) than 1991 Buick Reatta. (286 Nm). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Reatta.
Compare all specifications:
| 2004 Audi A8 | 1991 Buick Reatta | |
| Make | Audi | Buick |
| Model | A8 | Reatta |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 276 HP | 165 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 360 Nm | 286 Nm |
| Engine Bore Size | 84.6 mm | 96.5 mm |
| Engine Stroke Size | 82.4 mm | 86.4 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1532 kg |
| Vehicle Length | 5060 mm | 4670 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2850 mm | 2510 mm |
| Fuel Tank Capacity | 90 L | 62 L |
