The VAUXHALL ASTRA GTC (2011-18) 3DR HATCHBACK 1.7 CDTI DPF SS 110 EU5 SRI 20INCH ALLOYS 6SPD is a sporty, three-door family hatchback, sitting between everyday compact cars and more dramatic coupé-style models. Its low, sweeping shape and large alloy wheels give it more presence than a regular Astra, while the diesel engine and six-speed gearbox suit longer journeys. mycarcheck.com records 765 checks covering 303 different cars, giving a useful snapshot of used examples. The average recorded mileage is 92,000, with about 7,000 miles added yearly; cars have averaged nearly four previous keepers. The average private-sale valuation is £3,600, although condition, history and location affect asking prices. This Astra GTC suits commuters and couples wanting diesel range and distinctive style, with rear seats for occasional family use. Against Golf and Focus rivals, it prioritises looks and relaxed cruising over maximum practicality; choose it for character, and check service records carefully.