The VAUXHALL ASTRA GTC (2011-18) is a sporty three-door hatchback, offering a dramatic look compared with the Astra while remaining practical in the used-car market. It sits between family hatchbacks and coupés, appealing to drivers who want style without choosing a less versatile sports car. Its sweeping shape stands out. Mycarcheck.com has recorded 37,154 checks covering 13,914 distinct VINs, a substantial sample of used-car buyer interest. Its data shows an average private-sale valuation of £4,800, average recorded mileage of 72,000 and annual mileage of 7,000. Cars checked had about three previous keepers on average, useful context when comparing individual examples. The GTC suits commuters, couples and households wanting a car with more personality than a standard hatchback. Its three doors make rear-seat access less convenient than five-door rivals. Bold styling and an enjoyable drive are attractions; petrol and diesel versions provide choice. Compare mileage, condition and service history before buying.