2005 Infiniti Q45 vs. 2004 Audi S3
To start off, 2005 Infiniti Q45 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi S3. In addition, the cost of maintenance, including insurance, on 2004 Audi S3 would be higher. At 4,490 cc (8 cylinders), 2005 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2005 Infiniti Q45 (340 HP) has 118 more horse power than 2004 Audi S3. (222 HP). In normal driving conditions, 2005 Infiniti Q45 should accelerate faster than 2004 Audi S3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti Q45 weights approximately 414 kg more than 2004 Audi S3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2004 Audi S3 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, 2005 Infiniti Q45 (453 Nm) has 173 more torque (in Nm) than 2004 Audi S3. (280 Nm). This means 2005 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S3. 2005 Infiniti Q45 has automatic transmission and 2004 Audi S3 has manual transmission. 2004 Audi S3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Infiniti Q45 | 2004 Audi S3 | |
| Make | Infiniti | Audi |
| Model | Q45 | S3 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4490 cc | 1779 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 222 HP |
| Torque | 453 Nm | 280 Nm |
| Engine Bore Size | 93 mm | 81 mm |
| Engine Stroke Size | 83 mm | 86.4 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1837 kg | 1423 kg |
| Vehicle Length | 5080 mm | 4170 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1500 mm | 1420 mm |
| Wheelbase Size | 2880 mm | 2530 mm |
| Fuel Tank Capacity | 81 L | 62 L |
