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4-cylinder Ingenium diesel most efficient Jaguar diesel to date; up to 62 mpg US (3.8L/100 km) in new XE

Jaguar says that its new four-cylinder Ingenium diesel (earlier post) is its most efficient diesel to date; with the new Ingenium diesel engines driving the rear wheels, the aluminium-intensive XE (earlier post) is also the most fuel-efficient Jaguar yet, with CO2 emissions as low as 99 g/km.

The new aluminum-intensive XE will feature two versions of the 2.0-liter Ingenium diesel. The first, rated at 163 PS (120 kW) and 380 N·m (280 lb-ft), delivers benchmark efficiency figures of 62 mpg US (3.8 L/100 km) and 99 g/km CO2 without any compromise to launch performance or mid-range acceleration. The 180 PS (132 kW)/430 N·m (317 lb-ft) variant has one of the highest torque outputs in the class.

The Ingenium range is produced at the new £500-million, 100,000 m2 Engine Manufacturing Centre in the West Midlands in the UK. Engines will come off the fully flexible lines at rates of up to one every 36 seconds.

Starting from a clean sheet meant that Jaguar’s powertrain engineers could make the Ingenium engines as light and efficient as possible; the engines were proven over 2 million miles (3.2 million km) of real-world testing.

The low friction, all-aluminium units have stiff cylinder blocks and twin balancer shafts to ensure inherently low levels of vibration. Details such as the acoustic sump cover, decoupled injectors, and 0.5 mm ovality on the injection pump drive sprocket contribute to the Ingenium’s quietness.

Click to enlarge.

The Euro 6 compliant engines features variable exhaust valve timing to shorten the catalyst light-off phase and also improve diesel particulate filter (DPF) regeneration. The cooled low-pressure exhaust gas recirculation (EGR) system reduces combustion chamber temperatures, inhibiting NOx formation. Selective catalytic reduction (SCR) technology—the XE is the first Jaguar to use SCR—cuts NOx emissions to very low levels and the new XE has been engineered to meet the most stringent global regulations.

The Ingenium diesels will be joined at launch by direct-injection gasoline engines: turbocharged 2.0-liter four-cylinders and the supercharged 3.0-liter V6.

Full details and technical specifications of the Jaguar XE range will be released at the Paris Motor Show.



Sounds brilliant - will be a big seller for people with long motorway commutes.

Also for people fed up with the Germans (BMW, Audi, Mercedes).

A Jag that gets 99gms/km - incredible (even if the figures are fudged).


Reducing dead weight is one of the best way to reduce fuel consumption?


Why would you buy a luxo-auto for commuting? And, why a complicated diesel. From a logical, practical sense, this seems foolish...perhaps I missed something.



A naturally aspirated diesel?

And the superlatives:
“one of the highest torque outputs in the class.” One of?

Jaguar’s “most efficient diesel to date”.

Sounds like they couldn't get the turbo developed or the aluminum body and engine left no budget for one.

Am I missing something?

Thomas Pedersen


There is a big, fat turbo clearly visible on the top right corner of the engine...

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