AMG GT

Around the World in Eight Days: Meeting the AMG GT XX

the GT XX rewrites what electric performance means.

Words Thilo Muller
the GT XX rewrites what electric performance means.
Words Thilo Muller August 26, 2025

Puglia in August is a place that should invite you to slow down. The sun hangs heavy in the sky, olive groves stretch into the haze, and the scent of citrus and sea salt lingers in the air. Life here moves at a pace best measured in espressos and long lunches. But inside the gates of Nardò’s proving ground, an oval of asphalt so vast it bends with the horizon, the rhythm is anything but slow.

That’s where I found myself standing on a blistering morning, watching Mercedes-AMG’s CONCEPT GT XX blur past at 300 kilometers an hour (186 mph). Lap after lap, it carved into the Italian heat with a sort of mechanical arrogance, indifferent to the fact that lesser cars, and lesser men, would wilt under the strain. The world outside the track whispered dolce far niente. Inside, Affalterbach’s engineers were rewriting the future of performance.

The Theater of Endurance

The spectacle wasn’t just speed, it was stamina. Over 5,479 kilometers (3,404 miles) in a single day, the GT XX obliterated the old 24-hour record, then kept going. In just over seven days, it had racked up 40,075 kilometers (24,901 miles), the length of the equator. Jules Verne needed 80 days, steamer ships, and trains. AMG did it in eight, quietly, efficiently, and with an electric drivetrain that never so much as broke a sweat.

The routine became ritual: charge at an otherworldly 850 kW, enough to add 400 kilometers (249 miles) of range in the time it takes to order a cappuccino; launch back to 300 km/h (186 mph) with all the subtlety of a hammer; hand the wheel off to the next driver two hours later. Rinse. Repeat. For more than a week. The pit crews worked like clockwork, swapping tires, checking telemetry, and wiping sweat from brows while Michelin rubber hissed in the shade.

What You See, What You Feel

In person, the car is both familiar and alien. Familiar because the proportions scream AMG: long hood, predatory stance, that muscular impatience of a grand tourer. Alien because the silence of an electric car moving at race speed is disorienting, more aircraft than automobile. Up close, there’s the faint tang of hot metal, scorched rubber, and ionized air, a scent you could bottle and sell to anyone who ever believed cars could have a soul.

Watching the GT XX storm past again and again, you stop thinking in terms of laps or kilometers. It becomes a metronome, a pulse against the horizon. And in that rhythm, you realize you’re not looking at a concept car at all. You’re looking at inevitability.

CONCEPT AMG GT XX redefines performance: Technology pioneer shatters record after record | Nardò, 2025.

The Human Side of Speed

The drivers came in two-hour shifts, stepping out flushed but grinning, shaking their heads at the absurdity of a car that simply refused to fatigue. George Russell, fresh off the Formula 1 circuit, compared the motor response to his race car’s, instantaneous and precise, but admitted he’d never felt endurance like this from an EV. “It’s the stamina of combustion, with the clarity of electric,” he said, still sweaty from the seat. That’s not a line crafted for press. That was awe.

The engineers were quieter. They watched telemetry screens the way priests watch altars, murmuring in numbers and data streams. When I asked one what they’d change if they ran it again, he shrugged. “Nothing. It was flawless.” He said it like a confession.

CONCEPT AMG GT XX redefines performance: Technology pioneer shatters record after record | Nardò, 2025.

The Luxury of Endurance

The CONCEPT AMG GT XX won’t appear in showrooms. That isn’t the point. The point is that its drivetrain, the axial flux motors and the liquid-cooled Formula 1–inspired battery, isn’t just real, it’s arriving in AMG.EA next year. What we saw in Puglia was a proof of future ownership, the idea that endurance itself is luxury.

Because for the kind of man or woman who buys AMG, performance isn’t about the numbers on a brochure. It’s about knowing you own something that can do what others can’t. That can fly around the world in less than eight days and not break a sweat. That can run flat-out in the heat of southern Italy and emerge without a hiccup. It’s reassurance, dressed up as adrenaline.

CONCEPT AMG GT XX redefines performance: Technology pioneer shatters record after record | Nardò, 2025.

Epilogue in the Heat

By the time the GT XX finally crossed its 40,000th kilometer (24,855 miles), the sun was setting low over Puglia, painting the track in a soft, golden wash. The car rolled back into the pits, the engineers exhaled, and the record books quietly prepared a new chapter.

I thought back to the olive groves just beyond the fences, the fishermen down by the coast, the families sipping limoncello in the shade. And here, at the same moment, an AMG circled the world without leaving Italy. That’s the contradiction, and the beauty, of what I saw. The old-world slow life and the new-world fast future, coexisting on a strip of Italian asphalt.

Mercedes-AMG didn’t just set records in Nardò. They reminded us that endurance, precision, and beauty, when engineered correctly, can feel like luxury itself.