2008 Audi S4 vs. 2009 Lexus IS
To start off, 2009 Lexus IS is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S4. In addition, the cost of maintenance, including insurance, on 2008 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 136 more horse power than 2009 Lexus IS. (204 HP @ 6400 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2009 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus IS weights approximately 10 kg more than 2008 Audi S4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 159 more torque (in Nm) than 2009 Lexus IS. (251 Nm @ 4800 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Lexus IS.
Compare all specifications:
| 2008 Audi S4 | 2009 Lexus IS | |
| Make | Audi | Lexus |
| Model | S4 | IS |
| Year Released | 2008 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2499 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 204 HP |
| Engine RPM | 7000 RPM | 6400 RPM |
| Torque | 410 Nm | 251 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 1765 kg |
| Vehicle Length | 4590 mm | 4590 mm |
| Vehicle Width | 1730 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2740 mm |
| Fuel Consumption Overall | 12.3 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 63 L | 65 L |
