2003 Audi A8 vs. 2007 Lexus IS
To start off, 2007 Lexus IS is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 2,976 cc (6 cylinders), 2003 Audi A8 is equipped with a bigger engine. In terms of performance, 2003 Audi A8 (217 HP @ 6300 RPM) has 12 more horse power than 2007 Lexus IS. (205 HP @ 6400 RPM). In normal driving conditions, 2003 Audi A8 should accelerate faster than 2007 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus IS weights approximately 175 kg more than 2003 Audi A8.
Because 2007 Lexus IS is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi A8. In wet, icy, snow, or gravel driving conditions, 2007 Lexus IS 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, 2003 Audi A8 (300 Nm @ 3200 RPM) has 49 more torque (in Nm) than 2007 Lexus IS. (251 Nm @ 4800 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus IS.
Compare all specifications:
| 2003 Audi A8 | 2007 Lexus IS | |
| Make | Audi | Lexus |
| Model | A8 | IS |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2499 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 205 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 300 Nm | 251 Nm |
| Torque RPM | 3200 RPM | 4800 RPM |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1765 kg |
| Vehicle Length | 5060 mm | 4580 mm |
| Vehicle Width | 1900 mm | 1810 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2740 mm |
| Fuel Consumption Overall | 12.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
