1999 Infiniti Q45 vs. 2013 Lexus RX
To start off, 2013 Lexus RX is newer by 14 year(s). Which means there will be less support and parts availability for 1999 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2013 Lexus RX (266 HP @ 6200 RPM) has 1 more horse power than 1999 Infiniti Q45. (265 HP @ 5600 RPM) In normal driving conditions, 2013 Lexus RX should accelerate faster than 1999 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2013 Lexus RX weights approximately 136 kg more than 1999 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1999 Infiniti Q45 (378 Nm @ 4000 RPM) has 42 more torque (in Nm) than 2013 Lexus RX. (336 Nm @ 4700 RPM). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2013 Lexus RX. 1999 Infiniti Q45 has automatic transmission and 2013 Lexus RX has manual transmission. 2013 Lexus RX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Infiniti Q45 | 2013 Lexus RX | |
| Make | Infiniti | Lexus |
| Model | Q45 | RX |
| Year Released | 1999 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4128 cc | 211 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 266 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 378 Nm | 336 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Engine Bore Size | 93 mm | 94 mm |
| Engine Stroke Size | 76 mm | 83 mm |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | front |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1759 kg | 1895 kg |
| Vehicle Length | 5080 mm | 4770 mm |
| Vehicle Width | 1830 mm | 1885 mm |
| Vehicle Height | 1450 mm | 1720 mm |
| Wheelbase Size | 2840 mm | 2740 mm |
