Auto Veteran - What Depth of Water Can I Drive Through With My Car?

What Depth of Water Can I Drive Through With My Car?

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Auto Veteran
Updated on Dec 04, 2024

Driving through water can be a dangerous situation for any driver. However, by knowing the depth of water that you can drive through with your car, and following some simple tips, you can reduce the risk of damaging your car or getting into trouble.

Driving through water can be a challenging and risky situation for any driver. Water can damage your car’s engine, exhaust, or electrical systems, or even make your car float or get swept away by the current. Therefore, it is important to know the depth of water that you can drive through with your car, and how to do it safely and effectively.


Factors Affecting the Depth of Water You Can Drive Through

The depth of water that you can drive through with your car depends on several factors, such as:

  1. The type and model of your car: Different cars have different ground clearance, engine placement, air intake location, electrical system, and other features that affect their ability to withstand water. Generally, larger and higher vehicles, such as SUVs, trucks, or off-road vehicles, can handle deeper water than smaller and lower vehicles, such as sedans, hatchbacks, or sports cars. However, even within the same type or model of car, there may be variations depending on the year of manufacture, the modifications made, or the wear and tear of the parts. Therefore, it is important to check your owner’s manual or consult your mechanic to find out the maximum wading depth of your car.
  2. The speed and direction of the water: The speed and direction of the water can affect the force and pressure that it exerts on your car. Faster and flowing water can push your car off the road or even make it float. It’s safer to drive through water that is flowing in the same direction as you, rather than across or against you. A third factor is the condition and quality of the road. Water can hide potholes, debris, or other hazards that can damage your car or cause you to lose control. It can also erode the road surface and make it slippery or unstable.
  3. The condition and quality of the road: Water can hide potholes, debris, or other hazards that can damage your car or cause you to lose control. It can also erode the road surface and make it slippery or unstable.


Tips on How to Drive Through Water Safely

As a general rule, experts advise that you should not drive through water deeper than 10 cm unless you have a 4x4 that sits higher than the average car. This is because modern cars are not designed to be submerged in water, and water can enter the engine, the exhaust, or the electrical systems and cause serious damage or malfunction.

Even if the water is shallow enough for your car, you should always follow these precautions before driving through it:

  • Check the depth and flow of the water: Before entering the water, you should try to estimate its depth and flow by watching other vehicles or using a stick. You should also look for signs of hidden obstacles or dangers under the water surface. If you are not sure about the depth or flow of the water, or if it looks too deep or fast for your car, you should avoid driving through it.
  • Choose the shallowest and slowest part of the water: If you decide to drive through the water, you should choose the shallowest and slowest part of the water to cross. This will reduce the risk of damaging your car or losing control. You should also follow the tracks of other vehicles if possible, as they may indicate a safer route.
  • Drive slowly and steadily: When driving through water, you should keep a low gear and a moderate speed. You should not stop or change gears while in the water, as this may cause water to enter your exhaust pipe or stall your engine. You should also avoid sudden acceleration or braking, as this may cause your wheels to lose traction or create a splash that may enter your engine bay.
  • Keep the engine revs high: To prevent water from entering your exhaust pipe, you should keep your engine revs high by slightly pressing on the accelerator pedal while in the water. This will create a pressure difference that will push out any water that may try to enter your exhaust pipe.
  • Test your brakes after crossing: After crossing the water, you should test your brakes by gently applying them several times. This will help to dry them and restore their effectiveness. You should also check for any signs of damage or malfunction in your car’s engine, exhaust, electrical systems, or other parts.


Examples of Tested Vehicles Driving in Water

To illustrate some of the factors and tips mentioned above, here are some examples of tested vehicles driving in water and who tested them and their findings:

  • The Land Rover Defender: This is a iconic off-road vehicle that has been in production since 1948. It has a 2.0-liter turbocharged petrol engine that delivers 296 horsepower and 400 Nm of torque. It also has a permanent four-wheel-drive system with a two-speed transfer case and a locking center differential.  It has a ground clearance of 291 mm and a water-wading depth of 900 mm. It also has various off-road features such as terrain response, air suspension, hill descent control, and wade sensing. The Defender was tested by various media outlets, such as CarAdvice, Top Gear, and Autocar. They found that the Defender was a rugged and capable off-roader that could handle deep water crossings with ease, but also praised its modern design, technology, and comfort. 
  • The Toyota Land Cruiser: This is a legendary off-road vehicle that has been in production since 1951. It has a 5.7-liter V8 engine that produces 381 horsepower and 401 lb-ft of torque. It also has a full-time four-wheel-drive system with a two-speed transfer case and a locking center differential.  It has a ground clearance of 8.9 inches and a water-wading depth of 27.6 inches. It also has various off-road features such as crawl control, multi-terrain select, and kinetic dynamic suspension system. The Land Cruiser was tested by various media outlets, such as Car and Driver, Motor Trend, and Edmunds. They found that the Land Cruiser was capable of tackling any terrain, including deep water crossings, with ease and comfort, but also noted its high price, low fuel economy, and outdated interior. 
  • The Jeep Wrangler: This is a classic off-road vehicle that traces its roots back to the original Willys MB used in World War II. It has a 3.6-liter V6 engine that delivers 285 horsepower and 260 lb-ft of torque. It also has a part-time four-wheel-drive system with a two-speed transfer case and optional locking front and rear differentials. It has a ground clearance of 10.8 inches and a water-wading depth of 30 inches.  It also has various off-road features such as hill descent control, sway bar disconnect, and skid plates. The Wrangler was tested by various media outlets, such as Autoblog, Roadshow, and CarBuzz. They found that the Wrangler was one of the best off-roaders in the market, with excellent water-fording ability, but also criticized its poor on-road handling, noisy cabin, and low safety ratings.
  • The Land Rover Discovery: This is a luxury off-road vehicle that combines comfort and capability. It has a 3.0-liter turbocharged diesel engine that generates 254 horsepower and 443 lb-ft of torque.  It also has a full-time four-wheel-drive system with a two-speed transfer case and an electronic center differential. It has a ground clearance of 11.1 inches and a water-wading depth of 35.4 inches. It also has various off-road features such as terrain response, air suspension, hill descent control, and all-terrain progress control. The Discovery was tested by various media outlets, such as Motor1, CarAdvice, and Auto Express. They found that the Discovery was a versatile and refined off-roader that could handle deep water crossings with ease, but also pointed out its high maintenance costs, heavy weight, and reliability issues.
  • The Ford F-150 Raptor: This is a high-performance version of the Ford F-150 pickup truck, designed for off-road racing. It has a 3.5-liter twin-turbocharged V6 engine that pumps out 450 horsepower and 510 lb-ft of torque. It also has a four-wheel-drive system with a two-speed transfer case and an electronic locking rear differential.  It has a ground clearance of 11.5 inches and a water-wading depth of 32 inches. It also has various off-road features such as trail control, terrain management system, Fox shocks, and BFGoodrich tires. The Raptor was tested by various media outlets, such as Car and Driver, Motor Trend, and The Drive. They found that the Raptor was an exhilarating and capable off-roader that could blast through water crossings with speed and power, but also mentioned its high price tag, low fuel economy, and large size.
  • The Subaru Outback: This is a crossover wagon that offers practicality and adventure. It has a 2.5-liter flat-four engine that produces 182 horsepower and 176 lb-ft of torque. It also has a symmetrical all-wheel-drive system with active torque vectoring and X-mode. It has a ground clearance of 8.7 inches and a water-wading depth of 19 inches.  It also has various features such as eyesight driver assist technology, starlink multimedia system, and roof rails with integrated crossbars. The Outback was tested by various media outlets, such as Kelley Blue Book, Edmunds, and Autotrader. They found that the Outback was a reliable and spacious crossover that could handle mild off-road conditions, including shallow water crossings, but also noted its lackluster performance, bland styling, and limited cargo space. 
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