2009 Audi S8 vs. 1991 Buick Reatta
To start off, 2009 Audi S8 is newer by 18 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 5,204 cc (10 cylinders), 2009 Audi S8 is equipped with a bigger engine. In terms of performance, 2009 Audi S8 (450 HP @ 7000 RPM) has 285 more horse power than 1991 Buick Reatta. (165 HP @ 4400 RPM). In normal driving conditions, 2009 Audi S8 should accelerate faster than 1991 Buick Reatta. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Reatta weights approximately 357 kg more than 2009 Audi S8.
Because 2009 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Buick Reatta. In wet, icy, snow, or gravel driving conditions, 2009 Audi S8 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 S8 (540 Nm) has 254 more torque (in Nm) than 1991 Buick Reatta. (286 Nm). This means 2009 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Reatta.
Compare all specifications:
| 2009 Audi S8 | 1991 Buick Reatta | |
| Make | Audi | Buick |
| Model | S8 | Reatta |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 3791 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 450 HP | 165 HP |
| Engine RPM | 7000 RPM | 4400 RPM |
| Torque | 540 Nm | 286 Nm |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1175 kg | 1532 kg |
| Vehicle Length | 5070 mm | 4670 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2950 mm | 2510 mm |
| Fuel Tank Capacity | 90 L | 62 L |
