2007 Audi RS4 vs. 2003 Lexus IS
To start off, 2007 Audi RS4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Lexus IS. In addition, the cost of maintenance, including insurance, on 2003 Lexus IS would be higher. At 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 213 more horse power than 2003 Lexus IS. (201 HP @ 5600 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2003 Lexus IS.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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 RS4 (431 Nm @ 5500 RPM) has 135 more torque (in Nm) than 2003 Lexus IS. (296 Nm @ 3800 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Lexus IS. 2003 Lexus IS has automatic transmission and 2007 Audi RS4 has manual transmission. 2007 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Lexus IS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi RS4 | 2003 Lexus IS | |
| Make | Audi | Lexus |
| Model | RS4 | IS |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2997 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 201 HP |
| Engine RPM | 7800 RPM | 5600 RPM |
| Torque | 431 Nm | 296 Nm |
| Torque RPM | 5500 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4600 mm | 4510 mm |
| Vehicle Width | 1820 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2650 mm | 2680 mm |
| Fuel Tank Capacity | 80 L | 66 L |
