If you couldn’t tell from the watermarks, Leftlane News commissioned Brenda Priddy to put together a mockup of the previously spied Lexus IS convertible coupe, and the result, well, it leaves a lot to be desired.

There’s far too much SC 430 in the roof slope, which gives it a particularly feminine style. For comparison’s sake, let’s take another look at the spy shot that surfaced last month:

Graininess aside, this is much more aggressively styled, looking almost like an IS-F, with a much higher beltline. There isn’t as much smoothness, though it’s difficult to say just how much of that can be chalked up to camouflage.

As a blend of existing Lexus elements, this illustration hits the mark, but I don’t believe it reflects what the actual IS convertible will look like.

A Lexus IS convertible coupe has been spotted out in the wild, and was photographed by an unnamed German magazine. Here’s a blown-up image, for a better look:

As for the accompanying text, there’s some horsepower number ranging from 177 to 423, which translates right across the entire IS lineup, from the 220d to the IS-F. There’s also mention of a 2009 release, and if that’s true, it means there’s plenty more information coming down the pipeline very shortly.

[Source: Club Lexus]

Since the comments made by John Roca, the Lexus Australia District Manager, that there’s a possible IS Coupe in the pipeline, there’s been a resurgence in interest in the idea, along with a potential convertible version.

In light of that, egmcartech.com has dug up some renderings of the cars, created by Christian Shulte Design. In terms of quality, they have to be my favorite yet, with hardly a hint that these are digitally manipulated images of the existing IS. But how close will they be to the real thing? Not even John Roca knows for sure.

From Japan’s car magazine Car Top comes a digital rendition of a Lexus IS Coupe & Convertible:

Keep in mind this is only a photochop and has no real basis in reality, though this car has been hinted at since 2005.

Really, it’s more a question of when we’ll be seeing these cars, because the addition of two IS variants would significantly level the playing field as Lexus tries to cut in on BMW 3-series and Mercedes C-Class sales. At the very least, there’s an IS convertible sized hole in the model lineup.

[Source: Nihon Car]