Hybrid power is the only option on Lexus’ new RX SUV. Does this help it top the class – or hold it back? We find out as it meets BMW’s diesel X5.
October 2009
Lexus is hoping to make a splash with its new RX 450h! The SUV blends off-road looks with the latest generation of the firm’s petrol-electric technology to deliver family car fuel economy of 44.8mpg on the official combine cycle.
The luxury brand is committed to hybrids and, in keeping with its stated aim of providing a range comprised solely of hi-tech battery-assisted vehicles, the new RX is available only with petrol-electric power.
Is it good enough to rival the ultimate on-road SUV? If you’re planning to stick to the highway, the dynamic BMW X5 takes some beating. It doesn’t come with the option of a hybrid drivetrain, yet buyers do get a choice of excellent diesel engines. And they don’t come much better than the firm’s 3.0-litre unit – even though its claimed combined fuel return is only 34.4mpg.
Hybrids traditionally struggle to match their claimed figures, so will the Lexus win at the pumps? And even if it does, is the new RX a better buy than the X5? We got our feet wet to find out...
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