2005 Infiniti Q45 vs. 2009 Audi TT
To start off, 2009 Audi TT is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2005 Infiniti Q45 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 93 more horse power than 2009 Audi TT. (247 HP). In normal driving conditions, 2005 Infiniti Q45 should accelerate faster than 2009 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti Q45 weights approximately 347 kg more than 2009 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi TT 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, 2009 Audi TT 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 133 more torque (in Nm) than 2009 Audi TT. (320 Nm). This means 2005 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi TT.
Compare all specifications:
| 2005 Infiniti Q45 | 2009 Audi TT | |
| Make | Infiniti | Audi |
| Model | Q45 | TT |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4490 cc | 3189 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 247 HP |
| Torque | 453 Nm | 320 Nm |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 83 mm | 95.9 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1837 kg | 1490 kg |
| Vehicle Length | 5080 mm | 4180 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1500 mm | 1360 mm |
| Wheelbase Size | 2880 mm | 2470 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 81 L | 60 L |
