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Published Date: 22/09/2014

In the new executive car market today, the best entries can offer not only a luxurious driving experience, but also impressive fuel efficiency numbers to go with that.

The current Lexus range is a great demonstration of these combined qualities. With each model on sale offering hybrid derivatives, or exclusively hybrid in most cases in fact, it’s clear that Lexus appreciate the importance of efficiency to customers.

In its favour, the Lexus brand has established a strong reputation for providing well made and very reliable cars. Furthermore, the majority of new Lexus specifications today utilise a petrol-electric hybrid powertrain. This allows the brand to offer lower CO2 emissions and greater fuel economy numbers than the vast majority of its competitors.

We’ve selected the best few models in the current Lexus car range in terms of fuel efficiency.

Lexus CT 200h

Lexus CT 200h

The Lexus CT 200h is an intriguing alternative to other premium family hatchback cars, such as the BMW 1 Series and the Audi A3. Unlike its main rivals, however, the specifications for the CT are all hybrid models. The result is that very few family cars of this size can rival the Lexus in terms of low CO2 output, and indeed fuel efficiency.

All Lexus CT 200h models use a 1.8-litre petrol engine and a battery-run electric motor to provide a combined power output of 134bhp. The power is driven through the CT’s front wheels and an automatic Electronic-Continuously Variable Transmission (E-CVT) is also utilised.

Each specification in the CT range has the same power output and performance figures. The basic and cheapest model, however, is the most efficient of all in the range. Called the CT 200h S, this returns an official combined fuel economy of 78.5mpg. CO2 emissions meanwhile are just 82g/km.

Even other models in the CT range are impressive in returning 68.9mpg combined, plus a CO2 output of a mere 94g/km.  That means that every specification in the CT 200h line-up does not require paid Vehicle Excise Duty.

These fuel efficiency and emission numbers combined with the CT’s superb refinement and extensive standard equipment seals its position as a top entry in its market sector.
Lexus IS 300h as modelled by tennis star Agnieszka Radwanska

Lexus IS 300h

The Lexus IS represents a sleek and enjoyable entry in the compact executive saloon market segment. Its rivals include the BMW 3 Series and the Volkswagen Passat.

Choosing this Lexus is great particularly for those executive car buyers who want something that different from the norm. The latest generation IS was launched by Lexus during 2013 and it builds upon the unique character and strong points of its predecessor.

The IS offers a smooth and quiet drive and enviable running costs. With Lexus always scoring very well for customer satisfaction, owning the IS should prove a practically faultless experience.

There are two engines currently available but it is the 300h powertrain derivative that’s especially attractive.

Here the car combines a 2.5-litre petrol engine with a battery-charged electric motor to deliver a total power output of 217bhp. An automatic Electronic-Continuously Variable Transmission is used and the power is sent to the IS’s rear wheels.

All 300h models in the IS range are efficient, but it’s the more basic SE trim model that is the most frugal of all. In this state, the saloon returns a combined fuel economy of 65.7mpg, which is 1.5mpg higher than other 300h models in the IS line-up.

CO2 emissions are also recorded at just 99g/km for the IS 300h SE. Getting below the 100g/km CO2 threshold is no small feat for an executive saloon.
Lexus GS 300h

Lexus GS 300h

The Lexus GS saloon is a refreshing entry in the executive saloon market segment. That’s especially complimentary when you consider that this car goes up against the likes of the BMW 5 Series and the Audi A6, which is no small task.

In its favour, the latest Lexus GS offers a generous amount of standard equipment, and the load capacity is greater than its main rivals.

The GS is available with two petrol engines, one of which is a 2.5-litre unit also supported by an electric motor. The GS 300h is the name of the model that uses this particular powertrain. Power goes through the rear wheels. Like other current Lexus models, the powertrain also makes use of a swift Electronic-Continuously Variable Transmission.

The GS 300h saloon gets a total combined output of 179bhp. It’s running costs, however, is where the GS 300h is especially competitive.

The GS 300h is at its most frugal in the basic SE trim, where it returns a combined fuel economy of 65.7mpg. CO2 emissions are also very low for a car of this size, recorded at just 109g/km. Other models in the GS 300h range are not far off this figure, returning between 60.1mpg and 64.2mpg.

When considering your next new mid-size executive car, the latest GS has to be considered for its efficiency alone.

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