Vauxhall Astra 1.2 Turbo SRi 5dr Petrol Hatchback

Ten Second Review

Vauxhall has delivered us a smarter, cleverer and more efficient version of its British-built seventh generation Astra. A fresh range of three cylinder petrol and diesel engines bring the oily bits up to date and make a big difference to running costs. Plus safety now meets today's higher class standards and you can specify extra high-end luxury features you couldn't have had before. In short, this Astra's now worth a second look.

Background

Despite Vauxhall's best efforts over more than three decades and six different generations, their Astra has rarely been the family hatchback its drivers would ideally have chosen to own. Not because it's ever been a bad car: just never a class-leading one. The kind of model you bought because it was good value. Or more likely, because you were given the keys by your company Fleet Manager. This seventh generation version was tasked to do better - and the signs are that in this facelifted guise, it just might. As you may expect, it's smarter-looking, but more importantly, it's significantly more efficient than before thanks to a range of fresh 3 cylinder petrol and diesel engines; the most frugal diesel can eke nearly 65 miles out of a gallon of DERV on the now much-stricter WLTP official test. And even the petrols can get around 50mpg. It still drives well too.

Driving Experience

The key changes here lie beneath the bonnet. Previously, there was just a single 3 cylinder engine in the range. Now the old units have gone and the line-up is built around this format. There are two fresh petrol units, a 1.2 developing either 110, 130 or 145PS and mated to 6-speed manual transmission. And a 1.4 putting out 145PS which has to be had with a new 7-speed CVT auto 'box. All the engines develop reasonable pulling power, with outputs ranging between 195 and 236Nm. Vauxhall's particularly pleased with throttle response with these engines, claiming that 90% of their pulling power is available within 1.5 seconds of pressing the accelerator. The diesel engine is new too, a 1.5-litre three cylinder powerplant offered in two states of tune, 105PS and 122PS. The more potent unit gets the option of a new 9-speed auto gearbox. These engines feature an electrically-activated turbocharger with variable geometry turbine vanes and, similar to their petrol counterparts, a balance shaft in the block for additional refinement. Torque output figures vary between 260 to 300Nm. There are no suspension or handling changes, which means that this MK7 model continues with a relatively simple torsion beam rear suspension system, a set-up enhanced with a so-called 'Watts linkage' feature to improve cornering stability.

Design and Build

You'd struggle to recognise this facelifted model as being different from earlier versions of the MK7 Astra design. The only visual changes lie with small tweaks to upper and lower sections of the front grille, these apparently contributing to a more aerodynamic profile. As before, buyers choose between the standard five-door hatch body shape, or a five-door Sports Tourer estate variant. Fortunately, the exterior lines of the silhouette are wearing well. A nice touch is the 'floating' roof, an effect created by a dark trim on the C-pillar and highlighted by a chrome strip that runs the length of the roof. Inside, there are no changes but extra comfort can be specified in the form of high-end features like a wireless charger, a heated windscreen and a BOSE sound system. As before, infotainment's taken care of by the available Multimedia Radio, Multimedia Navi and Multimedia Navi Pro systems. All systems are compatible with Apple CarPlay and Android Auto smartphone-mirroring and the top-of-the-line Multimedia Navi Pro set-up has an eight-inch colour touchscreen and can also be operated by voice control. Rear seat space is class-competitive, as is boot space, 370-litres in the hatch and 540-litres in the Sports Tourer.

Market and Model

Prices aren't very different from before, starting from just under £19,000 and range up to around £28,000 across the range of hatches and estates spread across the usual wide range of trim options. Vauxhall wants to emphasise that safety standards have taken a decent step forward with this facelift, courtesy of the installation of a new digital front camera, which is both smaller and more powerful than before thanks to a faster processor. It now not only recognises vehicles, but also pedestrians, greatly improving safety. Furthermore, thanks to the high-resolution camera, traffic sign recognition can now process more traffic signs and show them as symbols on the display. The digital rear view camera, available on selected models, is also more powerful, and works in conjunction with the new Multimedia Navi Pro infotainment system. Most models get Connected Navigation services with real-time traffic information, a set-up that uses online map updates to make the journey more relaxed, while the navigation display itself appears with redesigned symbols in a fresher, more modern look. The same applies to the instrument cluster, which features a redesigned digital speedometer. Optionally available is the E-Call emergency call function. If needed, help is just seconds away by pressing the red button. If the seatbelt tensioners or airbags are deployed, the system automatically makes an emergency call.

Cost of Ownership

Put simply, you're not going to find an Astra that's going to cost you a huge amount to run. Even the 1.4 petrol turbo returns up to 49.6mpg on the WLTP cycle and up to 132g/km of WLTP-rated CO2. For the two 1.2-litre units, the WLTP figures are up to 54.3mpg and up to 120g/km of CO2. The 1.5-litre CDTi diesels will manage much more. Both the manual black pump-fuelled models manage up to 64.2mpg and up to 117g/km. While the 122PS auto returns up to 57.6mpg and up to 130g/km. Vauxhall reckons these figures are helped immeasurably by this Astra's slippery bodywork - it's the most aerodynamic car in its class with a sleek 0.26Cd. For the Sports Tourer, the figure is 0.25Cd. The aero-benchmarks have been achieved through numerous measures, including an engine compartment cover, deflector-shaped rear axle control arms and a full-face shutter. The upper and lower portions of the new Astra's radiator grille automatically open and close independently of one another, further improving the frontal airflow. The underbody optimisation improves the drag coefficient by reducing turbulence. With all the new engines, integration of the water-cooled exhaust manifold in the cylinder head contributes to quick engine warm-up, which lowers emissions after a cold start. And the diesel unit gets passive oxidation catalyst, an AdBlue injector, an SCR catalyst and a Diesel Particulate Filter.

By Jonathan Crouch

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