2012 Jaguar XJ Fuel Economy

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Fuel Economy

Fuel economy's mostly an afterthought for anyone shopping the 2012 Jaguar XJ. Still it's worth pointing out that the XJ doesn't get exceptional fuel economy even though it has a lightweight aluminum body structure.

Without any options for diesel or hybrid models, the XJ lineup is at its best in the base short-wheelbase version. The EPA rates it at 16/23 mpg. Adding supercharging to the 5.0-liter V-8 drops fuel economy to 15/21 mpg. Meanwhile, the long-wheelbase edition is rated by the EPA at 15/22 mpg.

The Jaguar XJ's gas mileage isn't exceptional, even when compared with heftier competitors.
Jaguar's six-speed automatic transmission was state of the art just a couple of years ago, but now other luxury brands are adopting seven- and eight-speed automatics. We expect that kind of efficient upgrade will be coming in the XJ within a year or so.

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