2005 Audi S4 vs. 2009 Lexus IS
To start off, 2009 Lexus IS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,969 cc (8 cylinders), 2009 Lexus IS is equipped with a bigger engine. In terms of performance, 2009 Lexus IS (416 HP @ 6600 RPM) has 76 more horse power than 2005 Audi S4. (340 HP @ 4000 RPM) In normal driving conditions, 2009 Lexus IS should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 85 kg more than 2009 Lexus IS.
Let's talk about torque, 2009 Lexus IS (503 Nm) has 93 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2009 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2009 Lexus IS | |
| Make | Audi | Lexus |
| Model | S4 | IS |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4969 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 416 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 410 Nm | 503 Nm |
| Engine Compression Ratio | 11.0:1 | 11.8:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1700 kg |
| Vehicle Length | 4550 mm | 4670 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2470 mm | 2740 mm |
| Fuel Consumption Highway | 11.2 L/100km | 10.2 L/100km |
| Fuel Consumption City | 15.7 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
