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Mercedes-AMG developing halo car with new 12-cylinder engine

The SLS AMG was once the jewel of the Mercedes-Benz performance lineup, a commanding supercar the presence of which could be felt a football field away. The AMG GT has taken that crown with its seductive 4.0-liter V8 biturbo engine – a veritable bulldog cloaked in an alluring silhouette. But Mercedes was always clear: this was a Porsche 911-fighter. It was even called a "baby SLS." Now it appears in the world of three-starred performance halo-cars, Mercedes may be playing its own Game of Thrones. To be clear, the GT will remain top dog for some time to come, and that lineup "will expand," we're told. A Black Series is still at least a year or more away, and we could see another model in the AMG GT family beyond that. But a recent conversation with a Mercedes-AMG product planner in Austria revealed that a new halo car is in the works, one that will slot above the GT. It will likely draw power from a new 12-cylinder that's now in development, one that will be mated to an electric motor and battery pack. This ultra-hybrid setup could boast the greatest performance of any Mercedes yet. Crucially, it will have better fuel economy, good enough to justify its existence in an increasingly stringent regulatory environment. As for the new 4.0-liter V-8 in the AMG GT, you can expect to see a lot more of it, starting with the E63 AMG, sometime after the next Mercedes-Benz E-Class launches next year. Related Video:

2021 BMW M3 and M4 vs all the high-powered sport sedans and coupes

Should you have a found a way to get past that schnoz, you've probably digested some of the basic specs for the all-new 2021 BMW M3 sedan and M4 coupe specs. They're plenty impressive. There's also, basically, two sets of them thanks to the regular and Competition versions that differ in engine output and transmission type.  But how do they compare to other ultra sport sedans and coupes? Well, we were wondering that too, so we fired up the Autoblog Comparison Spreadsheet Generator 5000 (aka me chained to my computer in a dark basement).  Sadly, there are surprisingly few competitors for the 2021 BMW M3. Rival sedans include the Mercedes-AMG C 63 and the Alfa Romeo Giulia Quadrifoglio, along with the Audi RS 5 Sportback sedan/coupe/hatchback thing. There's no more Lexus IS F, the Cadillac CT4 Blackwing has yet to arrive and Jaguar doesn't offer a spicy XE R.  Happily, there are more coupe rivals for the 2021 BMW M4, including the two-door versions of the AMG and Audi as well as the Lexus RC F. I also included the Ford Shelby GT350 and Chevrolet Camaro SS 1LE. On paper, they align incredibly well. On the street and on a track, I can personally attest that these Americans are fully capable of keeping up and/or bettering the fancy-pants luxury brands (and let's not forget there are even more powerful, hardcore versions available). If they don't align in terms of price or prestige, whatever. OK, let's get to the spreadsheet. Let's start with the coupes and note that I didn't bother listing the dimensions for the M4 Competition and C 63 S as they are identical to their "lesser" siblings.  I won't bother burning words explaining what you can see on the chart. Instead, I'll point out a few things that stood out to me. First, BMW M comes awfully close to matching the output of AMG's twin-turbo V8 despite having two fewer cylinders. Similarly, Audi manages to better the 0-60 time of the M4 Competition and tie the C 63 S despite being WAY down on power. It's not like it weighs less. Magic? Second, and speaking of 0-60 times, remember the importance that transmission and drivetrain make with them. It's not just horsepower and torque. An automatic will be quicker and easier to launch than a manual, while all-wheel drive provides more instantaneous and beneficial grip.

Mercedes GLS updates Silver Star seven-seater

It can be bewildering, the staggering array of crossovers and SUVs offered by Mercedes-Benz. There's the G, the GL, the GLK and the GLA, not to mention the new GLE and the ML that basically started it all. So you can forgive yourself if you've never heard of the GLS. After all, it doesn't currently exist. But it will soon. In accordance with Benz's new nomenclature, the GLS-Class will be the replacement for the GL – the largest of the Mercedes utility vehicles and the only one with three rows of seats. Since the current GL was only launched about two and a half years ago, the new nameplate won't be attached to an all-new model just yet. But as you can see from these spy shots, it appears that Mercedes is preparing a facelifted version of the existing model to fit into the new (or at least renamed) lineup. The biggest changes discernible from these spy shots is the revised front end, with new headlights, a more upright grille and a reshaped bumper and hood to go along with it. Around back the changes are more subtle, with reshaped tail lamps, bumper and exhaust pipes. Inside we're expecting a cleaner center console with a new 8-inch touchscreen reportedly inspired by the iPhone. We don't know when, exactly, to expect the revised GLS to arrive on the scene, but given the relatively modest nature of the revisions and how close they look to being ready, we wouldn't expect it to be long now. Whether those minor changes will be enough to keep up with the all-new Audi Q7 just announced, however, is another matter entirely.