2009 Audi S4 vs. 1998 Bentley Turbo
To start off, 2009 Audi S4 is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Bentley Turbo. In addition, the cost of maintenance, including insurance, on 1998 Bentley Turbo would be higher. At 6,750 cc (8 cylinders), 1998 Bentley Turbo is equipped with a bigger engine. In terms of performance, 1998 Bentley Turbo (395 HP @ 4150 RPM) has 55 more horse power than 2009 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 1998 Bentley Turbo should accelerate faster than 2009 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 1998 Bentley Turbo weights approximately 1465 kg more than 2009 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Bentley Turbo. In wet, icy, snow, or gravel driving conditions, 2009 Audi S4 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, 1998 Bentley Turbo (800 Nm @ 2000 RPM) has 390 more torque (in Nm) than 2009 Audi S4. (410 Nm @ 3500 RPM). This means 1998 Bentley Turbo will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S4.
Compare all specifications:
| 2009 Audi S4 | 1998 Bentley Turbo | |
| Make | Audi | Bentley |
| Model | S4 | Turbo |
| Year Released | 2009 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 6750 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 395 HP |
| Engine RPM | 7000 RPM | 4150 RPM |
| Torque | 410 Nm | 800 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84.6 mm | 104.1 mm |
| Engine Stroke Size | 92.8 mm | 99.1 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 930 kg | 2395 kg |
| Vehicle Length | 4580 mm | 5400 mm |
| Vehicle Width | 1780 mm | 2120 mm |
| Vehicle Height | 1400 mm | 1490 mm |
| Wheelbase Size | 2660 mm | 3130 mm |
| Fuel Consumption Overall | 15.7 L/100km | 17.8 L/100km |
| Fuel Tank Capacity | 63 L | 94 L |
