1998 Infiniti Q45 vs. 2012 Audi S5
To start off, 2012 Audi S5 is newer by 14 year(s). Which means there will be less support and parts availability for 1998 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1998 Infiniti Q45 would be higher. At 4,130 cc (8 cylinders), 1998 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2012 Audi S5 (333 HP @ 5500 RPM) has 68 more horse power than 1998 Infiniti Q45. (265 HP @ 5600 RPM) In normal driving conditions, 2012 Audi S5 should accelerate faster than 1998 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2012 Audi S5 weights approximately 195 kg more than 1998 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Audi S5 is all wheel drive (AWD), it will have significant more traction and grip than 1998 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2012 Audi S5 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, 2012 Audi S5 (440 Nm @ 2900 RPM) has 62 more torque (in Nm) than 1998 Infiniti Q45. (378 Nm @ 4000 RPM). This means 2012 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 1998 Infiniti Q45.
Compare all specifications:
| 1998 Infiniti Q45 | 2012 Audi S5 | |
| Make | Infiniti | Audi |
| Model | Q45 | S5 |
| Year Released | 1998 | 2012 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4130 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 333 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 378 Nm | 440 Nm |
| Torque RPM | 4000 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 7-speed automated manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1955 kg |
| Vehicle Length | 5070 mm | 4623 mm |
| Vehicle Width | 1830 mm | 1852 mm |
| Vehicle Height | 1450 mm | 1382 mm |
| Wheelbase Size | 2840 mm | 2751 mm |
| Fuel Tank Capacity | 60 L | 64 L |
