Malaga, Spain — Mercedes-AMG's Electric GT Hits 1,153 Horsepower

Mercedes-AMG's first all-electric GT model produces up to 1,153 horsepower in its top trim, using three axial flux motors built by Yasa, the motor maker Mercedes-Benz acquired in 2021, according to specifications reported by Ars Technica following a first drive in Malaga, Spain, published Nov. 5, 2026.

The figures mark the debut of what Ars Technica described as the first AMG model powered exclusively by batteries, arriving in two trims with distinct power and torque outputs, the outlet reported.

What's different about the AMG GT 4-Door Coupe's motors?

The car uses three axial flux electric motors rather than the radial flux motors common in most production EVs, Ars Technica reported. Two of the motors sit at the rear axle and measure 3.1 inches (79 millimeters) wide; a third, 3.5-inch (89-millimeter) motor drives the front axle, according to the outlet's specifications. All three are built by Yasa, the British motor manufacturer Mercedes-Benz bought in 2021, Ars Technica reported. The axial flux design packs the motors into a smaller, lighter housing than conventional EV motors, which the review said helps offset the added weight of the car's battery pack.

How much horsepower do the GT 63 and GT 55 EV trims make?

According to figures cited in Ars Technica's first-drive review, published Nov. 5, 2026, the AMG GT 63 produces a peak output of 1,153 hp (860 kW) during its Boost mode, with a nominal output of 711 hp (530 kW) and 1,475 lb-ft (2,000 Nm) of torque. The GT 63's Boost mode lasts 63 seconds. The AMG GT 55 produces a peak output of 805 hp (634 kW) in Boost mode, with a nominal output of 557 hp (415 kW) and 1,372 lb-ft (1,860 Nm) of torque. The GT 55's Boost mode lasts 55 seconds, matching the trim number, per the outlet.

Ars Technica's Roberto Baldwin wrote that he used Boost mode on both trims "multiple times in a row without issue" during the test drive.

How does Mercedes keep a heavy EV feeling agile on track?

The car's AMG.EA sports-car architecture continuously adjusts power delivery among the three motors while coordinating the Active Ride Control suspension, rear-axle steering that can turn up to 6 degrees, and active aerodynamics, Ars Technica reported. Baldwin wrote that on both road and track, "the vehicle is firmly planted to the roadway," attributing the result to the combination of chassis software and motor control that he said has "mostly reduced the battery-weight tax that mires EV performance."

What was the first drive like in Malaga, Spain?

Baldwin tested the AMG GT 4-Door Coupe over two days in Malaga, Spain, driving it on both public roads and a race track, according to the review. He wrote that the car is "a technological triumph that's as comfortable on the track as it is on the street," adding that it is "really very good on the track." Mercedes-Benz provided flights from San Francisco to Malaga and accommodations for the test drive, a disclosure included in Ars Technica's published review.

What to watch

• Independent 0-60 mph and track-lap testing to verify the GT 63's claimed 1,153-hp Boost-mode peak, since Ars Technica's review did not publish an independently timed acceleration figure.
• Whether Mercedes adjusts the Boost-mode duration — 63 seconds for the GT 63, 55 seconds for the GT 55 — in future software updates.
• Pricing and configuration details for US buyers, which were not included in the specifications published alongside the first-drive review.
• How the Yasa-built axial flux motors perform over repeated high-output use outside the controlled conditions of a manufacturer-organized test drive.

Where can readers find the full technical breakdown?

Ars Technica's complete first-drive account, including additional detail on the AMG.EA platform and the car's suspension and steering systems, is available in the original review.

Where was the AMG GT 4-Door Coupe first revealed?

Mercedes unveiled the AMG GT 4-Door Coupe at a launch event in Los Angeles that generated, in Baldwin's words, "a lot of hot takes" before the Malaga test drive, according to the review. Baldwin wrote that the Los Angeles reveal involved "bombastic extravaganza" compared with the quieter, performance-focused test in Spain. Ars Technica's published review also states that the outlet "does not accept paid editorial content," a disclosure presented alongside its acknowledgment that Mercedes-Benz arranged the journalist's flights from San Francisco and hotel accommodations for the Malaga trip.

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