2007 Audi S6 vs. 1998 BMW 325
To start off, 2007 Audi S6 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 BMW 325. In addition, the cost of maintenance, including insurance, on 1998 BMW 325 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S6 is equipped with a bigger engine. In terms of performance, 2007 Audi S6 (435 HP @ 6800 RPM) has 265 more horse power than 1998 BMW 325. (170 HP @ 5500 RPM). In normal driving conditions, 2007 Audi S6 should accelerate faster than 1998 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S6 weights approximately 505 kg more than 1998 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW 325. In wet, icy, snow, or gravel driving conditions, 2007 Audi S6 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 S6 (540 Nm @ 3000 RPM) has 290 more torque (in Nm) than 1998 BMW 325. (250 Nm @ 3950 RPM). This means 2007 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 325. 2007 Audi S6 has automatic transmission and 1998 BMW 325 has manual transmission. 1998 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S6 | 1998 BMW 325 | |
| Make | Audi | BMW |
| Model | S6 | 325 |
| Year Released | 2007 | 1998 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2494 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 435 HP | 170 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 540 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 3950 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1760 kg | 1255 kg |
| Vehicle Length | 4920 mm | 4220 mm |
| Vehicle Width | 2020 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
| Fuel Tank Capacity | 80 L | 63 L |
