Due to stricter fuel economy regulations, Jaguar's current 3.0-liter supercharged V-6 engine will fade away after 2016. In its stead, Jaguar will bring out a more efficient and more powerful Ingenium inline-six, and we think it could be turbocharged. Jaguar's long hood and large dash-to-axle ratio make its cars ideal candidates for the straight-six, and since this type of configuration is part of Jaguar's history, the automaker is happy to bring this engine back into the family.

Meanwhile, look for global Ingenium inline-three-cylinder engines on the Evoque, Discovery Sport, XE, and F-Pace. Although it will take some time, it could one day be offered in the XE here in the U.S.

Thanks to the success and popularity of the F-Type, Jaguar is holding back on introducing a car to replace the aging XK. To make sure it won't compete with the F-Type, a future XK won't be a thoroughbred sports car. Instead, it will likely focus more on luxury and less on sport, taking a cue from the old XJ Coupe but updated to compete with the Mercedes-Benz S-Class Coupe, Bentley Continental, and Rolls-Royce Wraith. Does the Jaguar brand have the cachet to compete with these luxury stalwarts? We'll have to wait and see. Of course, none of this matters if Jaguar decides to scrap the future XK altogether, which is also a possibility.

Meanwhile, the halo sports coupe role will be filled by the upcoming 600-plus-hp F-Type SVR. If you haven't already checked out our Jaguar F-Type SVR Making 600 HP in the Works" target="_blank">coverage of that upcoming model, click here.

Since the XE is expected to become Jaguar's volume model, why not milk it a little bit? The XE will spawn a coupe, wagon, and possibly, a convertible variant. On top of that, an XE R should make between 485 and 510 hp and will compete with the Audi RS 4, BMW M4, Cadillac ATS-V, Lexus RC F, and Mercedes-AMG C63. Since Jaguar's V-6 and V-8 engines share the same block, we know a 5.0-liter supercharged V-8 will fit under the hood if a V-6 can.

Yes, but it all depends on the success of the F-Pace. If Jaguar decides to build a larger SUV, the company must then decide if it wants to use the JLR modular vehicle architecture or base it off the Range Rover or Range Rover Sport. We suspect they'll choose the former. Assuming it gets the green light, it will bear the name "J-Pace," borrowing the "J" from the XJ sedan, and offer three rows of seating. Complementing the J-Pace, a smaller E-Pace could also work below the F-Pace.

As far as auto show rollouts go, expect the F-Pace to debut this year in Frankfurt and the next model in the Discovery family for Geneva or New York in 2016. In terms of when products will show up in dealerships, the recently revealed XF will launch in the U.S. this winter, followed by the XE in spring 2016. The F-Pace will arrive right on the heels of the XE.

Just like its Jaguar sibling, Land Rover isn't ready to rest on its laurels. The company has confirmed the Evoque Convertible, and we expect it to debut at the 2015 Los Angeles Auto Show this November. Unfortunately, we'll have to wait a lot longer for the Defender. From what we know, the new Defender's exterior pays appropriate homage to the long-running nameplate, and thankfully, looks nothing like the DC100 concept that debuted a few years back. We're also told everyone who's seen the SUV says it's fabulous. Considering JLR likes previewing big models under concepts with different names, it's likely we'll see a Defender Concept in some form in the near future. Our guess? Geneva 2016.