While many of today's SUVs have impressive towing capacities, it's important not to max out the vehicle's capabilities every time you tow. This is when the 80/20 rule for towing comes into play. You never want to tow above 80% of your vehicle's maximum towing capacity. This also leaves 20% wiggle room for human error. By safely pulling within your limits, you reduce wear and tear and extend the life of your vehicle.