A double DIN stereo with Apple CarPlay or Android Auto transforms your car experience. Mirror your iPhone or Android maps calls and music on a large touchscreen.
Fitting a modern double DIN head unit with Apple CarPlay or Android Auto is one of the highest-value upgrades you can make to an older car. You get a large touchscreen that mirrors your phone maps music calls and messages all controllable by voice via Siri or Google Assistant.
Both systems mirror a reduced-distraction version of your phone onto the head unit touchscreen. Apple CarPlay works with iPhone 5 and later. Android Auto works with Android 6.0 or later. Some units support both - these are the best value as they work regardless of which phone you use. Wireless CarPlay requires an iPhone XR or later. Wired CarPlay works with any Lightning or USB-C iPhone and is more reliable for long journeys.
A 7 inch unit fits most standard double DIN slots. A 9 inch unit may require a fascia adapter and protrudes further from the dashboard. The larger screen is significantly easier to use while driving and worth the small additional fitting effort if your car can accommodate it.

7 inch touchscreen with wireless Apple CarPlay and wired Android Auto. Bluetooth 5.0 for hands-free calls and music. Rated 4.3 stars from 605 orders. The wireless CarPlay is the key feature - no cable to plug in every time you get in the car. Compatible with most standard double DIN slots.

9 inch touchscreen running Android 14 with 4GB RAM and 64GB storage. Wireless Apple CarPlay and Android Auto. The Android operating system means you can install apps directly. Rated 4.9 stars from 487 orders. The step up to 9 inches and a full Android OS makes this significantly more capable than a basic CarPlay unit.
You will need a vehicle-specific wiring harness adapter to connect the new unit to your car wiring without cutting any cables. These are available for all common UK car models and cost under 20 pounds. A fascia trim adapter fills the gap around the unit and gives a factory-fit look. Most modern units also support steering wheel control integration via a Can-Bus adapter.
Most cars built after 2000 accept a standard double DIN unit 180mm wide x 100mm tall. Some Vauxhall Ford and Volkswagen models have non-standard slots or screens integrated into the dashboard - check your model before ordering.
Wireless CarPlay requires an iPhone XR or later. Earlier iPhones support wired CarPlay only. Wired CarPlay works with any Lightning or USB-C iPhone and is equally functional.
Most double DIN units include a reversing camera input. If your car has an existing reversing camera it can usually be connected to the new head unit. Check the unit specifications for the input connector type.
DIY is straightforward for most cars and saves 30-60 pounds. You will need a trim removal tool set the wiring harness adapter and optionally a fascia trim adapter. For cars with integrated climate controls professional fitting is recommended.
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