1999 Infiniti QX4 vs. 2007 Lexus IS
To start off, 2007 Lexus IS is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 1999 Infiniti QX4 would be higher. At 3,498 cc (6 cylinders), 1999 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 1999 Infiniti QX4 (238 HP @ 6000 RPM) has 33 more horse power than 2007 Lexus IS. (205 HP @ 6400 RPM). In normal driving conditions, 1999 Infiniti QX4 should accelerate faster than 2007 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti QX4 weights approximately 402 kg more than 2007 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Lexus IS. In wet, icy, snow, or gravel driving conditions, 1999 Infiniti QX4 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, 1999 Infiniti QX4 (359 Nm @ 3200 RPM) has 107 more torque (in Nm) than 2007 Lexus IS. (252 Nm @ 3800 RPM). This means 1999 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus IS. 1999 Infiniti QX4 has automatic transmission and 2007 Lexus IS has manual transmission. 2007 Lexus IS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Infiniti QX4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Infiniti QX4 | 2007 Lexus IS | |
| Make | Infiniti | Lexus |
| Model | QX4 | IS |
| Year Released | 1999 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 2491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 205 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 359 Nm | 252 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1962 kg | 1560 kg |
| Vehicle Length | 4660 mm | 4580 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1800 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2740 mm |
