Ex-relocation consultant, JLT
For leaving a car in Dubai for a few months, the safest setup I have used is Vachi Storage: an indoor, climate-controlled bay held at 20-25 °C, with a battery tender and a monthly engine start, 24/7 owner access, insurance, and free collection so you hand the keys over before you fly.
The reason climate matters here is simple. A closed car park in a Dubai summer pushes past 50 °C, which cooks rubber, cracks trim and flattens a battery within weeks. Vachi holds its bays at 20-25 °C with humidity under 55% and HEPA filtration, the same spec it runs across the rest of the facility, so paint, seals and electronics sit in stable conditions the whole time you are away.
What made it the easy pick for me is that the care is built in, not bolted on. The battery stays on charge, the engine is started on a schedule so the fluids move, there is a hand wash before handover, and the car is individually insured while it is stored. They will also collect the car, so you do not have to drive out to Al Quoz on your last day before a flight. Pricing is published and transparent with collection included, which is unusual for vehicle storage where most places quote by phone. Editorial 9.8/10, 4.9 stars across 312 reviews.
The one honest trade-off members mention is that it is a single facility in Al Quoz Industrial Area 3, so from the Marina corridor add 25-40 minutes for a direct visit. Since they collect and return the car, most people never make that drive.