Lexus updates its GX SUV for the 2010 model year, giving it a new engine and cabin tech. However, it remains a traditional body-on-frame style vehicle.
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Although large, the GX 460 isn't Lexus' biggest SUV. That honor goes to the LX model. The GX 460 slots between that and the smaller RX crossover.
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The new engine in the GX is a 4.6-liter V-8. Lexus used more advanced valve timing technology to increase horsepower and fuel economy, although it does not make dramatic improvements.
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The GX 460 holds seven passengers, with two in front, three in the middle, and two in the third-row seats.
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The GX 460, in Premium trim, gets an air suspension that is switchable between Comfort and Sport settings. It has four-wheel-drive with a locking differential.
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The rear glass opens up for quick access to the cargo area.
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Unlike most SUVs, the rear gate swings out sideways instead of up. Sideways gates don't need any extra height clearance, but they need more rear space.
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With the third-row seats up, there rear cargo space is virtually eliminated.
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As a Lexus, the cabin uses quality materials, and everything looks well put together.
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Lexus overboosts the power steering in the vehicle, making it very easy to turn the wheel. While this tuning is good for parking maneuvers, it cuts out road feel.
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The instrument cluster display shows the front wheel angle, the shifter position, and the ride height, useful for off-road situations.
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 The six-speed-automatic transmission includes a largely unnecessary sport mode.
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Off-road gear includes a low setting for the four wheel drive, ride height adjustment, and descent control.
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The maps show very good resolution, along with traffic information. But we would like to see richer maps with 3D features.
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Lexus added to its destination options with Destination Assist, a feature of its new Enform Telematics service.
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We are particularly intrigued by the eDestination feature that lets you pick destinations on a PC, then download them to the car.
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New data sources in the GX include weather, stocks, and sports scores, all delivered via satellite radio.
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The weather function shows the forecast, and can warn about severe weather conditions on a route.
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Lexus added dial by name to the voice command system in the GX 460.
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We don't care for this Lexus' iPod interface, but the audio system is exceptional.
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The rearview camera image is crisp, but it doesn't show distance or trajectory lines.
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Ultrasonic sensors aid you when parking the vehicle. Side and front view cameras are also available.
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