Baby Jag will use a new 2.0-litre turbodiesel engine and aluminium-intensive structure when it goes on sale next year

The new Jaguar XE will return as much as 75mpg on the EU combined cycle and have a CO2 rating of below 100g/km, according to the British car maker. 

Powered by the all-new 2.0-litre tubodiesel Ingenium engine and built around an aluminium body structure, the XE should better the frugality of today’s most economical BMW 3-series and Mercedes-Benz C-class models, the new baby Jaguar’s main competition.

Jaguar has also revealed that aluminium will make up 75 per cent of the XE’s body structure. The company says the XE’s body engineering is born out of “Jaguar’s fifth-generation bonded and riveted aluminium technology”. 

Jaguar also says it has developed a new high-strength aluminium alloy called RC5754, which contains a very high proportion of recycled aluminium. Jaguar aims to use 75 per cent recycled aluminium in its future models by 2020.

Mark White, Jaguar’s chief technical specialist, body complete, said: “This gives us a body structure with unrivalled low weight. It’s light but also immensely strong, with extremely high levels of torsional stiffness. 

“We’ve made sure our aluminium-intensive body structure exceeds all global safety standards without compromising on vehicle design or refinement.”

Jaguar claims the XE “will be the true driver’s car in the segment” and says this contention is backed up by the car’s hardware. The XE gets double-wishbone front suspension, “with many of the components made from cast and forged aluminium”, according to Jaguar. 

The XE’s electrically assisted steering system is said by Jaguar to be the “latest generation… which delivers a better steering feel, variable steering damping, ease of low-speed manoeuvring and a range of active safety and advanced driver assistance functions”. 

Jaguar says it has developed what it calls All Surface Progress Control (ASPC), which it claims as a “world-first technology”. ASPC is said to “gain traction with far less drama than a human driver and without the driver using the pedals”.

New Jaguar's frugal turbodiesel engine laid bare

Balancer shaftsThe new Ingenium engine gets balancer shafts to achieve as close to six-cylinder smoothness as possible. Shafts run on roller bearings to cut friction losses.

Cam chain - The cam chain is mounted on the rear of the 150kg engine, up against the flywheel housing. It is expected to last the service life of the engine. 

Crankshaft - The engine is said to have 17 per cent less internal friction than today’s 2.2 diesel. Low-friction surfacing on the crankshaft bearing faces help achieve that.

TurbochargersIngenium engines will use single and double turbocharging. The most powerful version will “offer V6 performance” but will be 80kg lighter than a V6.

Pistons - The Ingenium engine uses fixed 500cc cylinder sizes, so all four-pots will be 2.0 litres. Engineers say a 1.5 three-pot and 3.0 straight six are possibilities.

Cylinder head - The Ingenium is a clean-sheet design, including the production equipment, which is designed so that future redesigns are easier and cheaper to execute.

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Our Verdict

Jaguar XE

Jaguar's first attempt at a compact exec saloon is good - very good. But can the XE hold off the BMW 3 Series and Alfa Romeo Guilia to retain its crown?

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Comments
29

29 July 2014
Very impressive, looking forward to the review. Wouldn't be a comment without having a pop at Jag tho: 75% recycled material in future products eh? Well that's nothing new, their X-type used 75% recycled Mondeo!

29 July 2014
No apparent substantiation for the claim that the XE will be more efficient than its rivals. Aluminium alone won't guarantee this given that the F-Type, for instance, is comically heavy versus its steel competition. Also, balancer shafts do tend to erode economy and comparisons to the ancient 2.2 unit don't reveal much. Mind you, this kind of hype is far from unwelcome - it is reminiscent of those glorious, far-off days (1986) when an upcoming Jaguar (XJ40) was capable of generating hype.

29 July 2014
Let's hope this isn't another strangely-heavy aluminium Jag.

Does anyone know if 150kg is a "good" weight for an engine of this size/type? Maybe it's hard to compare engines without knowing what state of trim they're in when weighed.

29 July 2014
Aluminium and a frugal 2.0 Ingenium (cos it is ingenious you see) turbo diesel.

Who knew? It is not like the same press release has not come out 10 times in the last 6 months. I hope this car is good.

jer

29 July 2014
I can't help but think JLR should of partnered Volvo to get the better economies of scale for this new engine. Also it's not just the development of one engine it's the incessant evolutions of the those e.g. Jaguar has not stepped the 272ps top line diesel for more than 5 years.

29 July 2014
jer wrote:

I can't help but think JLR should of partnered Volvo

I sad the same thing years ago when Ford broke up PAG. Volvo could have done the small engines, small vehicle platforms and SUV's and Jaguar could have done the bigger stuff, a similar partnership to VW and Audi, a small Jag/S60 (3 series) could have been produced by Volvo with the choice of front or AWD using Volvo SPA and E-Drive engines allowing a coupe, saloon and estate model for both brands, with perhaps a small SUV (XC60/X?) for both as well. A smaller 1 series/A Class rival could have been produced (V40/X?). The all aluminium replacement for the XF /V70/S80, could have been done by Jaguar, with again a coupe, saloon, estate and a large SUV (XC90/X?), powered by Volvo E-Drive at the lower end, Volvo Si6 and Jag V8 at the upper end.

Jaguar would have got state of the art small diesels, a new straight 6 petrol (think of an F-type with a straight 6 like the original E-type), a small platform, and access to all the latest safety gubbins, and a Jaguar SUV based around Volvos experience with the XC90 packaging but with Jaguar design and ride, who wouldn't want one, and a RWD S80 and XF (Audi A6/BMW 5 series), think how the Passat is basically seen as a cheaper alternative to an A4, or a Golf to an A3, Volvo could have been the VW, safe, dependable, reliable etc, and Jag would be the Audi, well built beautifully designed, but with a few bonkers mental cars in its range.

29 July 2014
jer wrote:

I can't help but think JLR should of partnered Volvo to get the better economies of scale for this new engine. Also it's not just the development of one engine it's the incessant evolutions of the those e.g. Jaguar has not stepped the 272ps top line diesel for more than 5 years.

Apart from the same engine in the RR sport, which puts out 288bhp.

29 July 2014
Part of me is annoyed that there was no mention of a Petrol engine. 2.0 Turbo Diesel is all fine and dandy but a car like this to be a true drivers car would be far better serviced with a 2.0T Petrol, as the Diesel will almost certainly be geared for economy.

With the release of the Mustang in the UK, the Chevrolet Camaro shifting to the Cadillac Alpha Platform to be revealed in January and BMW having reasonably fast 3-series cars (including the 328i) for under £30,000, Jaguar only releasing a Diesel as they've done in the XF will be market lost to Audi and BMW.

29 July 2014
"Cam chain - The cam chain is mounted on the rear of the 150kg engine, up against the flywheel housing. It is expected to last the service life of the engine. " Lets hope so cause it sounds a pig of a place to replace.
I think BMW had problems with this postioning

typos1 - Just can’t respect opinion

29 July 2014
Love the way mags. always have to mention it's a British car maker in every manufacturer placed article.

typos1 - Just can’t respect opinion

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