Four-cylinder hybrid mooted for Lexus GS

* More economical GS possible * Could get a 2.5-litre petrol-electric hybrid * New entry-level IS also likely...

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Vicky Parrott
06 March 2013

Four-cylinder hybrid mooted for Lexus GS

The Lexus GS will get a four-cylinder hybrid model in the near future, according to senior company sources.

Currently, the BMW 5 Series rival has a 286bhp V6 petrol-electric hybrid powertrain that averages 46.3mpg and emits 141g/km of CO2.

Its likely the new GS model will be powered by the 217bhp 2.5-litre four-cylinder petrol-electric hybrid powertrain that's used in the new IS300h, where it has emissions of 99g/km and average economy of 65.7mpg.

Fitted to the bigger GS, it should make the Lexus competitive with the BMW 520d Efficient Dynamics, which returns 119g/km and 62.8mpg.

Sources also admitted that the new Lexus IS 'does need a cheaper entry-level model'. Currently the IS range starts at 26,495 for a 2.5-litre V6 petrol model, while the 29,495 hybrid IS300h is priced slightly above its direct rival the less powerful, 109g/km BMW 320d.

Its possible that a new entry-level Lexus IS will have a non-hybrid petrol motor that will fall short of efficiency and performance offered by the IS300h, but will provide an affordable way into the range.

Read more from the 2013 Geneva motor show >>

Victoria Parrott