Alfa Romeo has unveiled its refreshed Giulia and Stelvio Quadrifoglio models. 

The update follows on from tweaks made to the standard Giulia and Stelvio models, which tweaked their appearance while bolstering interior technology levels. 

The revisions are much the same for these performance-orientated Quadrifoglio models. A larger 8.8-inch infotainment screen is now the focal point of the cabin, while its revised software includes race-orientated displays and functions. 

The Stelvio is available with 21-inch wheels for the first time.

Inside, new seat designs are available – including carbon-backed buckets – while the overall quality of the cabin has been lifted thanks to higher-end materials and a new leather stitched gear selector. 

The exterior has been lifted too thanks to smoked rear lights – on both Giulia and Stevlio models – which now feature a revised design. Several new paint colours have also been introduced – Montreal Green, 6C Villa d’Este Red and a yellow-based shade called GT Junior Ocra – while 21-inch alloy wheels can be optioned on the Stelvio for the first time. 

Mopar, the accessories arm incorporated into Alfa Romeo’s parent company Fiat-Chrysler Automobiles (FCA), will also be supplying a range of additional features for the first time on the Giulia and Stelvio Quadrifoglio. These include carbon-fibre mirror caps and an Akrapovic titanium exhaust with carbon-fibre tailpipes, among others. 

The Giulia retains the same bi-turbo V6 engine as the previous model.

Both the Stelvio and Giulia now benefit from enhanced driver assistance systems, with lane-keeping assist, adaptive cruise control and blind-spot monitoring just a few of the included features. Level 2 self-driving ability is also added, though this still requires the driver to keep a hand on the wheel and remain alert. 

Both cars retain the same 2.9-litre V6 bi-turbo engine with the same outputs of 503bhp and 600Nm of torque.