2004 Jaguar X-type Base Sedan 4-door 2.5l 5 Spd Super Clean on 2040-cars

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The diesel premium in our Jaguar XE quickly pays for itself

Our long-term 2017 Jaguar XE 20d AWD recently returned from a 2,000-mile road trip. My wife and I took a few days to visit her family in Auburn, Alabama, and it was the first real chance anyone has had to stretch the Jaguar's legs outside of Michigan. It was also a good opportunity to see what sort of fuel economy I could wring out of the XE's 2.0-liter turbocharged diesel. The diesel engine was the main reason I chose it over our equally lovely long-term 2017 Audi A4. For me, chasing fuel economy is a great way to stay focused on the road. The XE 20d AWD is rated at 30 city/40 highway and 34 combined. The drive to and from Auburn is almost entirely highway, so I knew matching the highway rating would be easy enough. The XE has a 14.8 gallon tank, so I was looking at a minimum of 600 miles per tank and four fills for the trip, counting the initial pre-departure fill. I had two main concerns: first, this was a new route, so I didn't know how available diesel would be along I-75; second, crossing the Appalachian Mountains was going to severely cut into my overall average. The first worry turned out to be a nonissue, especially as we went further south. Not once was I forced to go from station to station looking for a lone green-handled pump. People in the South love their Cummins, Powerstroke, and Duramax-powered trucks, meaning diesel pumps were plentiful. Rolling up in a Jaguar does garner attention, though. An older gentleman even asked if I knew that I was putting diesel in the car. It seems he didn't have much faith in my reading comprehension skills. The mountains were more of a problem. There was literally no getting around them, but were west of the highest parts, so it could have been worse. The indicated fuel economy dropped by 4 mpg on the way up, from 47 mpg to 43. Still, I managed more than 650 miles from a tank, though I was starting to push my luck. We filled up for the short final leg. By the time we rolled into Auburn, the display indicated 44 mpg – pretty damn good, I'd say. It held there for the entire trip. Calculating the actual mileage revealed the computer was generous by 2 mpg, but that's par for the course. Few automakers display precise numbers. The relative ease of getting this sort of fuel economy was complemented by the price of diesel. At each one of my four stops, diesel cost less than premium, the required fuel in all of the XE's gasoline engines. According to AAA, the same is true nationwide.

Submit your questions for Autoblog Podcast #323 LIVE!

We're set to record Autoblog Podcast #323 tonight, and you can drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
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Jaguar trademarks EV-Type nameplate

Green may have been a popular color choice for the classic Jaguar E-Type, but even in Lightweight form (pictured above), it was hardly what you'd call environmentally friendly. Not by today's standards, anyway, with six-, eight- and twelve-cylinder engines displacing between 3.8 and 5.3 liters. But Jaguar looks to be preparing to revive the nameplate - or at least one similar - with a new electric vehicle in the works.
According to the latest intel, Jaguar has applied both in the US and in Europe to trademark the name EV-Type. The implication that it's developing an electric vehicle is clear, as is the reference to its iconic sports car of yore. But more than that, we don't know. We could be looking at an electric version of the current F-Type, a project to convert original E-Types to electric power or a different model altogether.
It wouldn't be the first time, of course, that we'd see Jaguar toying with the idea of electric propulsion. A couple of years ago, the British automaker demonstrated a plug-in hybrid XJ_e prototype, and showcased both the C-X16 and C-X75 concepts with advanced hybrid powertrains. But it has yet to put any such system into production, relying instead on the small diesels it sells in Europe to keep its carbon footprint small.