2006 Audi TT vs. 2003 Infiniti Q45
To start off, 2006 Audi TT is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2003 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 162 more horse power than 2006 Audi TT. (178 HP @ 5500 RPM) In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2006 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 419 kg more than 2006 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Infiniti Q45 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi TT, being front wheel drive (FWD), will offer much better control with better grip. 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 Infiniti Q45 (451 Nm @ 4000 RPM) has 216 more torque (in Nm) than 2006 Audi TT. (235 Nm @ 1950 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi TT. 2003 Infiniti Q45 has automatic transmission and 2006 Audi TT has manual transmission. 2006 Audi TT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi TT | 2003 Infiniti Q45 | |
| Make | Audi | Infiniti |
| Model | TT | Q45 |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4494 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 178 HP | 340 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 235 Nm | 451 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1804 kg |
| Vehicle Length | 4050 mm | 5080 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1500 mm |
| Wheelbase Size | 2430 mm | 2880 mm |
| Fuel Tank Capacity | 55 L | 81 L |
