Every new racing season brings a few new racing cars, and 2025 is no exception for IMSA-sanctioned sports car racing. There’s ...

But the convertible and four-door Gran Coupe variants live on, at least for now.

CarBahn calls its G82 M4 mods its Signature package, and it retails for $20,599. There are some more CarBahn options on this particular test car that add another $9,000 to the price, in addition to ...