Pressing the silver starter button wakes four liters of hand-built German muscle, sending a deep mechanical bark echoing off the garage walls before you’re snapped back to the realities of owning an out-of-warranty exotic. Buying a used AMG GTS puts a $130,000-plus supercar in your driveway for the price of a new Chevrolet Corvette, provided a neglected rear transaxle sensor or cooked turbo seal does not hand you a hefty repair bill first.
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