The phrase "cracking car" typically means a really good or impressive car.
Sentences with «cracking car»
Some people crack the car windows open, thinking this will relieve any issues their furry family member has. (bluebuffalo.com)
Add the saucy, versatile Alicia Vikander to the mix as Gaby, a crack car mechanic and niece of a kidnapped genius scientist, plus a screenplay that finds this chic and cheeky threesome cocktailing around the globe in designer duds playing cat and mouse with each other and the bad guys — well it's all just plain groovy. (joyceschoices.com)
Its still a cracking car to be sat in and to drive everyday... apart from the fuel as its a bit thirsty:) (evo.co.uk)