2007 Audi A6 vs. 1998 BMW 729
To start off, 2007 Audi A6 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 BMW 729. In addition, the cost of maintenance, including insurance, on 1998 BMW 729 would be higher. At 5,204 cc (10 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (430 HP @ 6800 RPM) has 249 more horse power than 1998 BMW 729. (181 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 1998 BMW 729. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 80 kg more than 1998 BMW 729. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW 729. In wet, icy, snow, or gravel driving conditions, 2007 Audi A6 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, 2007 Audi A6 (540 Nm @ 3000 RPM) has 130 more torque (in Nm) than 1998 BMW 729. (410 Nm @ 2000 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 729.
Compare all specifications:
| 2007 Audi A6 | 1998 BMW 729 | |
| Make | Audi | BMW |
| Model | A6 | 729 |
| Year Released | 2007 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2926 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 430 HP | 181 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 540 Nm | 410 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 12.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1830 kg |
| Vehicle Length | 4920 mm | 5130 mm |
| Vehicle Width | 1870 mm | 1870 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2940 mm |
