800-HP Mercedes-AMG Flagship Coming To Fight The Porsche Panamera


Mercedes-AMG's answer to the Porsche Panamera Turbo S E-Hybrid is coming sooner than you think.

Aside from the Project One, the AMG GT 63 S 4-Door Coupe is the most powerful production model Mercedes currently produces, thanks to its 4.0-liter twin-turbo V8 producing 630 hp and 664 lb-ft of torque. It won't hold that title for much longer, however. Mercedes is planning to introduce a new hybrid version of the GT 4-Door Coupe inspired by the Mercedes-AMG Concept that debuted at the 2017 Geneva Motor Show – and we won’t have to wait long for it to arrive.

According to Autocar, we can expect Mercedes-AMG's answer to the Porsche Panamera Turbo S E-Hybrid to launch as early as next year. Like the concept, the flagship GT 4-Door is expected to pack around 800 horsepower, "if not slightly more”. This seems feasible as the concept packed a hybrid powertrain with a twin-turbo 4.0-liter V8 and an electric motor producing a combined output of 805 horsepower.

Autocar managed to obtain some new spy shots of the powerful hybrid, further adding to the report's credibility. At first glance, it looks like an ordinary GT 4-door Coupe prototype but looking under the hood reveals a complex electrical system being used by an electrified powertrain. The test mule also "drove away silently on electric power”.

The new hybrid GT 4-Door Coupe is likely to be dubbed the GT 73 4Matic based on trademark filings submitted by Mercedes. This would make sense since Mercedes has used the 73 badge in the past for special cars like the extremely rare SL73. Other trademarks filed last year for a "G73” and "S73” suggest we could also see flagship versions of the G-Class and next-generation S-Class.

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Surprisingly, the extra electrical components aren’t expected to add much more weight to the GT73, which will allegedly do the 0-62 mph sprint in 3 seconds compared to the GT 63 S, which does the same sprint in 3.2 seconds. The hybrid system will also reportedly allow an all-electric range of up to 31 miles. When it goes on sale next year, expect the GT73 to cost considerably more than the $159,000 GT63 S. To give you a rough idea how much it might cost, the Porsche Panamera Turbo S E-Hybrid starts at $186,200 in the US.