Volvo's engine range is launching two new four-cylinder 1.6-litre petrol engines, T3 and T4, featuring the very latest direct injection technology. The GTDi (Gasoline Turbocharged Direct Injection) concept was developed to offer improved fuel consumption without compromising on performance. The 1.6 GTDi T3 features 150 PS while the T4 offers 180 PS and both will be available in the all-new Volvo S...