The Vauxhall Astra 1.6 CDTi Elite Nav (available as a 5-door hatchback or Sports Tourer estate) is a highly equipped, comfortable, and remarkably efficient family car. It perfectly balances premium interior comforts with a frugal diesel engine, making it a stellar choice for both long motorway commutes and daily driving.Key HighlightsEngine & Performance: Features a punchy 1.6-litre turbocharged diesel engine (typically producing 134 bhp or a 108 bhp "ecoFLEX" option). It delivers plenty of low-end torque for easy overtaking while being smooth and refined at higher speeds.Fuel Economy: It shines on running costs, officially returning upwards of 60–70+ mpg, depending on your driving style and exact specification.Trim & Tech (Elite Nav): As the top-tier trim, it comes packed with luxury touches. The "Nav" tag indicates it features Vauxhall’s Navi 900 IntelliLink system, which includes a responsive 8-inch touchscreen with integrated sat-nav, Apple CarPlay, and Android Auto