2005 Audi A6 vs. 1998 Buick Century
To start off, 2005 Audi A6 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Buick Century. In addition, the cost of maintenance, including insurance, on 1998 Buick Century would be higher. At 3,135 cc (6 cylinders), 1998 Buick Century is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (178 HP @ 6000 RPM) has 13 more horse power than 1998 Buick Century. (165 HP @ 5200 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1998 Buick Century. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 35 kg more than 1998 Buick Century. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 1998 Buick Century (251 Nm @ 4000 RPM) has 21 more torque (in Nm) than 2005 Audi A6. (230 Nm @ 3000 RPM). This means 1998 Buick Century will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 1998 Buick Century | |
| Make | Audi | Buick |
| Model | A6 | Century |
| Year Released | 2005 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 3135 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 178 HP | 165 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 230 Nm | 251 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 89 mm |
| Engine Stroke Size | 77.4 mm | 84 mm |
| Engine Compression Ratio | 10.3:1 | 9.6:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1555 kg | 1520 kg |
| Vehicle Length | 4920 mm | 4950 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2780 mm |
| Fuel Consumption | 7.3 L/100km | 7.8 L/100km |
| Fuel Consumption City | 13.9 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
