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What Land Rover’s drivetrains and wading figures do in a North Dallas downpour, where their limits are, and the checks that keep a Range Rover or Defender dependable through a North Texas summer.
| Water depth | What it means | Source |
|---|---|---|
| 6 in | Fast-moving flood water can knock over an adult | National Weather Service |
| 12 in | Rushing water can carry away most cars | National Weather Service |
| 24 in | Rushing water can carry away SUVs and trucks | National Weather Service |
| 35.4 in | Maximum wading depth of the Range Rover, Range Rover Sport, Discovery and Defender with air suspension | Land Rover |
| 39.6 in | Maximum wading depth of the Defender OCTA | Land Rover |
The National Weather Service figures are for moving flood water. Land Rover’s wading figures are for crossing known, still water off-road. They are not comparable, and neither makes a flooded road safe.
For heavy North Texas rain, the capability that matters is traction on wet pavement and the ground clearance to clear standing water at the curb, and every Defender, with permanent four-wheel drive, and the all-wheel-drive Range Rover and Range Rover Sport are built for both. What no SUV can do is drive safely through a flooded road. The National Weather Service warns that two feet of rushing water can carry away SUVs and trucks, and that it is never safe to drive into flood water, whatever the vehicle’s published wading depth.
Land Rover’s maximum wading depth is a capability figure for crossing still water whose depth and footing are known, usually off-road. The Range Rover, Range Rover Sport, Discovery and the Defender on air suspension are rated to wade 35.4 inches, the Defender on coil springs 33.5 inches, and the Defender OCTA 39.6 inches. Those figures describe what the vehicle is engineered to cross, not what is safe on a flooded North Dallas street.
Flood water on a road is moving, its depth is unknown, and the pavement under it may be gone. The National Weather Service says 12 inches of rushing water can carry away most cars and 2 feet can carry away SUVs and trucks, and the CDC reports that over half of flood-related drownings happen when a vehicle is driven into hazardous flood water. Land Rover’s Wade Sensing feature measures only the depth of water the vehicle is already in, not the water ahead, and cannot judge whether it is safe to continue. In a North Texas flash flood, the Land Rover answer is the same as the weather service’s: turn around.
Sources: National Weather Service, Turn Around Don’t Drown; CDC, Storm-Related Mortality, Central Texas (MMWR); Land Rover published wading depths and Wade Sensing disclaimer.
What a Land Rover brings to a wet commute
What still depends on you
Tires are the part of the system you replace. Our guide to the best tires for a Land Rover Defender compares all-terrain and all-season options for North Texas.
A Land Rover handles North Texas summer heat best when the cabin is cooled before you get in and the parts heat wears are checked on schedule. With a Remote subscription, the Land Rover Remote app can start the engine and run the climate control to a set temperature before you leave the house or office. The checks below cover the parts a North Texas summer works hardest.
Sources: landroverusa.com Remote app support pages; U.S. Department of Energy, fueleconomy.gov.
The North Texas checklist in our Land Rover maintenance schedule and cost guide covers what to raise with a service advisor between scheduled visits: battery health, tire pressures, brakes on stop-and-go commutes and air suspension. Book a visit in early spring, ahead of storm season and summer heat, and again in the fall, through the Land Rover Frisco service scheduler.
Compare all three at Land Rover Frisco, or book a spring service check ahead of storm season.
No vehicle should. The National Weather Service warns that 2 feet of rushing water can carry away SUVs and trucks and that it is never safe to drive into flood water. Land Rover’s 35.4-inch wading depth is for crossing known, still water off-road.
Every Defender has permanent four-wheel drive, and the Range Rover and Range Rover Sport have all-wheel drive as standard, which help with traction on wet pavement. Tire tread, speed and following distance still decide how safely any SUV stops in heavy rain.
Land Rover rates the Defender with air suspension to wade 35.4 inches, the Defender with coil springs 33.5 inches, and the Defender OCTA 39.6 inches.
Heat is hardest on the 12-volt battery, tire pressures and air suspension, and it makes the air conditioning work harder. Cooling the cabin from the Land Rover Remote app before you get in, plus a battery test and tire check at spring and fall service visits, covers most of it.