Jaguar Land Rover to launch 300hp four-cylinder Ingenium petrol engine

JLR Ingenium engineJaguar Land Rover will finally reveal details of its new Ingenium petrol engine this week, following the 2015 launch of the British-built Ingenium diesel engine.

Assembled at the firm’s giant (and ever-expanding) £1 billion plant in Wolverhampton – which the Queen opened in 2015 – the firm says the new Ingenium petrol engine will be up to 25% more powerful than the engines they replace, and consume 15% less fuel.

As the existing Ford-sourced 2.0-litre engine currently produces up to 240 hp in the Jaguar XE, this raises the intriguing prospect of Jaguar launching a hot 300 hp four-cylinder XE capable of over 43mpg: all eyes will be thus on the announcement expected later this week.

It almost certainly means the new 2.0-litre turbo petrol Ingenium will produce at least 250 hp.

The modular Ingenium petrol engine has a 500cc per cylinder displacement, meaning Jaguar could potentially produce a 3.0-litre straight-six engine in time, or a 4.0-litre V8. They’ll be used in sports saloons and SUVs, says the firm, and deliver “exceptional performance, efficiency and refinement”.

The valvetrain will be electrohydraulic, the exhaust manifold fully integrated and the twin-scroll turbocharger will use ceramic ball bearings. Jaguar will roll out the new petrol Ingenium engine range from 2017.

At launch, JLR will launch three versions of the new Ingenium petrol engine: 200 hp, 250 hp and hot 300 hp versions (with that high-tech turbo). The range-topping version will produce a diesel-like 295lb-ft of torque, produced between 1,500-4,500rpm.

TRANSCEND ‘two in one’ transmission

Jaguar Land Rover is also researching a new type of gearbox it’s codenamed TRANSCEND. This will be an eight-speed automatic with an ultra-wide gear ratio spread – more than double that of conventional automatics. It’s also a hefty 20kg lighter than normal automatics, despite incorporating low-range gearbox, dual clutch and hybrid technologies.

It means that, theoretically, an additional low-ratio gearbox would not be required for off-road use, saving cost and complexity and improving efficiency. There would also be benefits on-road through having such a wide range of revs-reducing gear ratios; JLR says the new transmission could cut fuel consumption by 10%.

“It will make manoeuvring and off-road use easier than ever before for drivers,” said JLR group engineering director Nick Rogers, “whilst also improving on-road vehicle dynamics and CO2 emissions.

Boldly, JLR says the new TRANSCEND project, which is partly funded by the UK government, will help “rebuild the UK’s transmission production”. Jaguar Land Rover currently uses an eight-speed automatic gearbox supplied by German firm ZF; many of its manual gearboxes come from Germany’s Getrag.

Managing Director at @editorial_mr. Runs a bit. Loves the motor industry.

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