Best exterior accessories for the Range Rover Sport PHEV model?

Late to the party, but Id be cautious with deployable motors. Seattle road grime increases mechanical resistance, which might trigger the pinch-sensors and stop them mid-cycle. For your road trip, you might want to consider these instead:

• Land Rover Genuine Silver Finish Roof Rails
• Thule Motion XT XL Rooftop Cargo Carrier
• XPEL Ultimate Plus Paint Protection Film Make sure to check the dynamic load ratings before loading up.

^ This. Also, id actually skip steps for now. Grab Land Rover Genuine Cross Bars VPLWR0102 and Land Rover Genuine Rear Bumper Protector VPLWS0226 instead. Way more practical for gear without the mechanical headaches.

I'd be really careful with those deployable steps if you're dealing with Seattle weather. I remember a buddy who took his RRS up to Snoqualmie and the slush basically froze the motor mechanism solid halfway through the weekend... he had to drive home with one side stuck down which is a total nightmare for ground clearance. For a PHEV, you might want to consider the weight and complexity too. Those motors add another failure point you just dont really need. I would suggest going with the Land Rover Genuine Fixed Side Steps VPLWP0434 instead. They are super rugged and honestly give the car a wider, more planted look. Combine those with Land Rover Genuine Mudflaps Front and Rear VPLWP0431 to keep that PNW road grime off your paint. The PHEV tires tend to throw a lot of spray, and without flaps, your rear quarters will be trashed after one season of rain. You should be able to get both installed for under $1600 at a decent independent shop. If you have leftover cash, maybe grab a bottle of Gtechniq Crystal Serum Ultra Ceramic Coating 50ml to help the water bead off during those long drizzle months. It kinda makes washing the car a breeze tho. TL;DR: Skip the motorized steps. Fixed steps plus flaps are more reliable in the wet, protect the chassis better, and leave you enough budget for a ceramic coat.