Concept AMG GT XX
The Concept AMG GT XX is a concept car developed by Mercedes-AMG.[1] It was presented on 25 June 2025, in Affalterbach.[2] Overview The GT XX is 5.20 meters long, 1.95 meters wide without mirrors (2.13 meters with mirrors), and 1.31 meters high. The body has no rear window. The drag coefficient is said to be 0.198. The vehicle is based on the new AMG.EA platform.[3] The car has so-called aero wheels: they are 21 inches in diameter and have five movable plastic elements ("aeroblades"), allowing more cooling air to reach the brakes, for example. At the rear, between the taillights, there is a display for information; this can be used to indicate charging, for example.[1] The vehicle is powered by three electric motors: two at the rear and one at the front. Together, they generate a peak power of 1000 kW (1360 hp). The axial-flux engines are comparatively short.[1] The engines of this design come from the British company YASA Limited, founded in 2009; YASA was acquired by the Mercedes-Benz Group in 2021.[4] The battery, with cylindrical cells and a voltage of over 800 V, is located in the center of the vehicle. Its individual cells are cooled with a liquid.[1] 24 hours recordsIn 2024, two prototypes of the new third-generation Mercedes CLA had set a new electric-vehicle distance record of 3717 km (2,309.6 miles) within 24 hours at the Nardò Ring test track in southern Italy, which is owned by Porsche. With the CLA top speed limited to 131 mph (210 km/h), and 40 fast charging Stops for approx. 10 minutes each, a team of drivers managed to average 96.3 mph (154.9 km/h) over 24 h, bettering the 3,425 km record set there by Porsche Taycan in 2019 by 7.6 mph (12.2 km/h).[5] In July 2025, a Xiaomi YU7 Max covered 3,944 km (2,451 mi) in a 24-hour endurance test with speeds exceeding 210 km/h (130 mph), bettered in August 2025 by 17km for 3961 km by a new Xpeng P7.[6] Mercedes returned to Nardo in August 2025 with a pair of GT XX lapping at above 180 mph (290 km/h) nonstop apart from up to 900-kW rapid charges. The faster of the two cars covered a distance of 3,405 mi (5,480 km) in 24 hours. That's a new world record, just shy of 1000 miles better than the previous record holder, the Chinese Xpeng P7, and almost a third better than Mercedes's own CLA. Over 24 hours, the team managed to cover 3405 miles, then went on to reach a distance that could lap the Earth in under eight days. Along with the 24-hour record, the GT XX clocked endurance records for 12, 48, 72, 96, 120, 144, and 168 hours.[7] The overall current FIA World Record for 24h was set in 2002 by a Volkswagen W12, covering a distance of 7,740.576 kilometres (4,809.8 mi) at an average speed of 322.891 km/h (200.6 mph).[8][9] Both the W12 and the GTXX have similar top speed of around 360 km/h. References
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