- Repair & Care
Lexus redesigned its five-seat RX crossover for 2010, with the gasoline RX 350 carrying over a similar V-6 drivetrain. Because its electrically assisted V-6 grew to 3.5 liters from 3.3 liters, the RX 400h became the RX 450h. Slight exterior tweaks differentiate the RX 450h from its non-hybrid sibling.
Front-wheel drive is standard, with all-wheel drive optional. The non-hybrid RX 350 is covered separately in the Cars.com Research section.
New for 2012
There are no significant changes for the 2012 model year.
Though it's a few hairs taller than its predecessor, the RX 450h looks more carlike than ever; its dimensions give the crossover a wagonlike stance. In back are frosted taillight effects similar to those on the previous RX. Eighteen-inch alloy wheels are standard, with 19-inchers optional. Exterior features include:
Like Lexus' other hybrids, the RX 450h's display screen can show the power flow between the drivetrain's electric motors, engine and battery. In place of the RX 350's tachometer is a gauge showing electric-motor assist versus battery recharging. Other features include voice-recognition software that Lexus says will pick up conversational prompts rather than traditional formal, specific commands.
High-tech options include a head-up display with LED lighting that's purportedly bright enough to read on a sunny day. The optional navigation system features Lexus' Remote Touch interface, which uses a joystick-like device to navigate menus on the dashboard screen. Interior features include:
Under the Hood
The RX 450h uses a gasoline 3.5-liter V-6 that's assisted by electric motors, creating 295 combined horsepower. It can cruise on electric-only power at low speeds. Like other hybrids, its electric motors draw power from the friction of deceleration, called regenerative braking. Mechanical features include:
Ten standard airbags include four in front — the two required chest airbags plus two knee airbags — as well as seat-mounted side-impact airbags for both rows. Head-protecting side curtain airbags cover both rows. Other standard safety features include:
Select up to three models to compare with the 2012 Lexus RX 450h.
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