What weight limit can I tow?

You can tow only up to the lowest-rated limit among your vehicle’s tow rating (GCWR-based), the hitch/towbar rating, the trailer’s own rating, and any legal limits where you’re driving. To find your exact number, check your owner’s manual and certification labels, weigh your loaded vehicle, compare figures to GCWR/GVWR/GAWR, and ensure the hitch and tongue/nose weight ratings aren’t exceeded.

The rule that governs towing limits

Towing capacity isn’t a single number printed in isolation—it’s the smallest of several ratings that all must be respected. Manufacturers assign limits for the vehicle, regulators set legal boundaries for trailers and brakes, and hitch/towbar makers set hardware limits. If any one of these is lower than the others, that is your maximum.

How to calculate your safe, legal tow weight

Use the following process to arrive at a real-world, legally compliant tow limit for your specific setup, including passengers and cargo.

1. Find the ratings: In your owner’s manual and door-jamb/VIN plate, note GCWR (gross combined weight rating), GVWR (vehicle), GAWR (axle), and the hitch/towbar’s maximum trailer and tongue (nose) weight. Check the trailer’s data plate for its GVWR/MAM.
2. Weigh your loaded vehicle: With full fuel, passengers, and cargo, weigh the tow vehicle alone. This is your actual vehicle weight.
3. Calculate theoretical max trailer: Subtract the actual loaded vehicle weight from GCWR. The result is the maximum trailer weight you could tow—subject to the next limits.
4. Apply the hitch limit: If your hitch is rated below that number, the hitch rating becomes your cap. Respect separate ratings for weight-carrying (WC) versus weight-distributing (WD) hitches if applicable.
5. Check tongue/nose weight and payload: Conventional trailers typically need about 10–15% tongue weight (North America) or per the vehicle’s stated S-value (often 50–100 kg on many EU towbars). Ensure tongue weight does not exceed the hitch’s tongue limit or the vehicle’s remaining payload and rear axle rating.
6. Confirm legal requirements: Make sure your trailer weight, brake type, and licensing meet local laws (brakes are required above specific thresholds; speed limits for towing may be lower).
7. Validate on a scale: With the trailer attached, weigh steer axle, drive axle, and trailer axle(s). Ensure no axle exceeds GAWR and the combination doesn’t exceed GCWR/GVWR or the trailer’s rating.

When steps 1–7 are complete, the smallest resulting number—vehicle limits, hitch limits, trailer rating, or legal cap—is the most you can tow.

Key definitions you’ll see on labels

Understanding a few standard terms helps you read your door sticker, towbar plate, and manual correctly.

• GVWR: Maximum allowed weight of the loaded tow vehicle.
• GAWR: Maximum allowed weight on each axle (front and rear).
• GCWR (GCM in some regions): Maximum allowed combined weight of loaded tow vehicle plus loaded trailer.
• Curb/Kerb Weight: Vehicle with standard equipment and fluids, no cargo or passengers.
• Payload: How much weight you can add to the vehicle (people, cargo, accessories, and tongue weight) without exceeding GVWR.
• Tow Rating: Manufacturer’s stated maximum trailer weight under specified conditions; must be validated against GCWR and actual weights.
• Tongue/Nose Weight: Downforce of the trailer on the hitch; critical for stability and must be within hitch and vehicle limits.
• Hitch/Towbar Class or S-Value: The hardware’s maximum trailer and tongue (nose) weight ratings; never exceed these.

These definitions interact; your safe towing setup depends on all of them being within limits at once.

Regional rules that change the answer

Beyond manufacturer ratings, local regulations affect how much you can tow, what brakes you need, speed limits, and licensing. Here are widely used norms—always verify specifics for your state or country.

United States

Most light-duty vehicles list tow ratings in the manual or a manufacturer towing guide. Brakes are legally required on trailers above a threshold that varies by state (commonly 1,500–3,000 lb). A brake controller is needed for electric brakes. Safety chains and lighting are mandatory. Licensing for non-commercial towing is generally covered by a standard Class C license, but a non-commercial Class A (or endorsement) is required in some states when towing trailers over 10,000 lb (for example, California and Texas). Hitch receivers are classed (I–V); do not exceed the hitch’s weight-carrying or weight-distributing ratings. Conventional trailer setups are typically most stable with 10–15% tongue weight.

United Kingdom

An unbraked trailer must not exceed 750 kg MAM (and must not exceed the towing vehicle’s unbraked limit). Trailers over 750 kg must have brakes. Since 2021, drivers with a Category B car licence can tow trailers up to 3,500 kg MAM, subject to the vehicle’s tow rating and other limits. National speed limits for cars towing are 60 mph on motorways/dual carriageways and lower on other roads. Many towbars specify an S-value (nose weight limit), often 50–100 kg—do not exceed it. Stability aids and correct loading are essential, especially for caravans.

European Union (general)

Rules vary by country. Category B typically allows a trailer up to 750 kg, or a heavier trailer if the car-trailer combination’s MAM doesn’t exceed 3,500 kg. The B96 extension commonly allows up to 4,250 kg combination, and BE for higher (often up to 7,000 kg, depending on national transposition). Brakes are required above 750 kg. Speed limits for towing often range 80–100 km/h. Observe the towbar’s homologated D- and S-values and the vehicle’s approved tow rating.

Australia and New Zealand

Unbraked trailers are generally limited to 750 kg. Over 750 kg requires brakes; over-run brakes are common up to 2,000 kg, and electric brakes with breakaway are typically required above that. You can tow on a standard car licence provided you remain within the vehicle’s GVM (GVWR), GCM (GCWR), axle ratings, and the towbar’s label. Typical maximum towing speeds are 100 km/h unless posted otherwise. Safety chains, breakaway systems (where required), and correct trailer ADR/WOF compliance are mandatory.

Quick example

Here’s how the numbers work together for a mid-size SUV and a small travel trailer.

• Manual lists GCWR 12,000 lb and maximum trailer 6,000 lb; hitch is rated 5,000 lb/500 lb tongue weight (WC) or 6,000 lb/600 lb (WD).
• Loaded SUV weighs 4,900 lb at the scale (GVWR is 6,100 lb), leaving 12,000 − 4,900 = 7,100 lb by GCWR math, but the factory tow rating caps it at 6,000 lb.
• Hitch (without a weight-distributing system) limits you to 5,000 lb trailer and 500 lb tongue weight, so 5,000 lb is your true max unless you fit and set up a WD hitch.
• If your trailer weighs 4,500 lb ready to camp, target 450–675 lb tongue weight; ensure this fits within payload, rear GAWR, and the hitch’s tongue rating.

In this scenario, the hitch’s lower rating governs, and a properly set WD hitch could restore the full 6,000 lb capacity if all other limits remain respected.

Common red flags and how to fix them

Watch for these issues—they often determine your practical towing limit before you hit any headline number.

• Tongue/nose weight too low: Trailer sway at speed. Fix by moving cargo forward, filling forward tanks, or using a weight-distribution hitch with sway control.
• Tongue/nose weight too high: Rear axle or payload overloaded. Move cargo rearward, reduce load, or choose a lighter trailer.
• Hitch class mismatch: Receiver or towbar rated below trailer weight. Upgrade the hitch and hardware to the appropriate class.
• Axle overload: Drive axle exceeds GAWR with trailer attached. Rebalance load, adjust WD hitch, or reduce payload.
• Brake compliance: Trailer exceeds local brake threshold without proper brakes and controller. Add/repair brakes and a compatible controller.
• Tire limits: Tow vehicle or trailer tires over their load index or underinflated. Fit correct load-rated tires and set pressures per placard.
• Thermal/cooling limits: Long grades or heat cause powertrain temps to climb. Use tow/haul mode, lower gear, consider auxiliary coolers if approved, and respect manufacturer temperature warnings.

Addressing these points early improves stability and often increases your safe, practical towing margin.

What to bring to a weighbridge or scale

Confirming weights with a scale is the most reliable way to know what you can tow safely and legally.

1. Weigh the tow vehicle alone (full fuel, normal cargo): record steer and drive axle weights.
2. Connect the loaded trailer and weigh again: record steer, drive, and trailer axle weights.
3. Compute tongue weight: (Drive+Steer with trailer) − (Drive+Steer without trailer), or use a tongue scale.
4. Compare each axle to its GAWR, the vehicle to GVWR, and the total to GCWR; verify the trailer is within its GVWR and the hitch/tongue limits.
5. If using a weight-distributing hitch, reweigh after adjusting bars to confirm axle loads are rebalanced within limits.

This process turns ratings into verified numbers so you can adjust before you’re on the road.

Bottom line

Your tow limit is the smallest number among your vehicle’s GCWR-based tow rating, the hitch/towbar’s rating, the trailer’s rating, and your region’s legal thresholds. Weigh your actual setup, manage tongue weight within spec, and comply with brake and licensing rules where you drive. When in doubt, choose a lighter trailer or reduce load—it’s safer, legal, and easier on your vehicle.

What is the 80% rule for towing?

The 80% rule for towing is a safety guideline that recommends you don’t tow a trailer that weighs more than 80% of your vehicle’s maximum towing capacity. This buffer of 20% provides extra room to account for factors like passengers, baggage, varying terrain, or miscalculations in trailer weight, helping to prevent damage to your vehicle and ensure safer handling under imperfect driving conditions. 
Why the 80% rule is important:

• Safety Margin: It provides a cushion for unexpected weight increases in the trailer or vehicle, such as passengers or cargo, ensuring you don’t accidentally exceed your vehicle’s limits. 
• Reduces Stress on the Vehicle: Towing at maximum capacity puts significant stress on your vehicle’s engine, transmission, brakes, and suspension. The 80% rule reduces this strain, potentially prolonging the life of these components. 
• Handles Imperfect Conditions: Weather conditions, road conditions, and the natural wear and tear on a vehicle can all decrease its actual towing capacity. The 80% rule accounts for these variables. 
• Prevents Damage: Exceeding a vehicle’s towing capacity can lead to frame warping, premature tire wear, and damage to the drivetrain. 
• Legal Compliance: By staying within this guideline, you are less likely to breach your vehicle’s legal towing limits set by the manufacturer. 

How much weight can I safely tow?

Pay attention to the automobile’s Gross Vehicle Weight Rating (normally found on a sticker inside the driver’s side door frame). This number is the maximum weight your vehicle should tow. You don’t want to fall in love with an RV only to find out the RV is too heavy for your vehicle to safely tow.

How much can you tow with a 5000 lb towing capacity?

A vehicle with a 5,000-pound towing capacity can tow trailers like small campers, ATVs, jet skis, or utility trailers, but it’s essential to consider the trailer’s loaded weight (GVWR) and stay under the 5,000-pound limit. For safety, many experts recommend a trailer’s GVWR be at least 1,000 pounds less than the vehicle’s towing capacity. 
Examples of What You Can Tow
A 5,000-pound towing capacity is suitable for many common trailers and vehicles: 

• Utility Trailers: You can tow a loaded 6×12 enclosed utility trailer or a standard utility trailer. 
• Toy Haulers: It’s enough to tow a smaller, 20-foot toy hauler. 
• Camper Trailers: You can pull a small, pop-up camper or a smaller travel trailer with a loaded weight under 4,000 pounds. 
• Watercraft/ATVs: You can tow a bass boat, ATVs, or jet skis. 
• Animal Trailers: It can handle a four-horse trailer. 

Important Considerations for Safe Towing

• Total Trailer Weight (GVWR): Opens in new tabAlways check the trailer’s Gross Vehicle Weight Rating (GVWR) when loaded, not just its empty weight. 
• Payload Capacity: Opens in new tabYour vehicle has a payload capacity for passengers and cargo inside the vehicle. Exceeding this, or the trailer’s tongue weight, can impact safe towing. 
• Tow Packages: Opens in new tabSome vehicles require a specific tow package or other options to achieve their maximum towing capacity. 
• Vehicle Configuration: Opens in new tabThe exact towing capacity can vary significantly based on the vehicle’s engine, trim, and other options. 
• Towing Ratio: Opens in new tabA common guideline is to stay at least 1,000 pounds under the vehicle’s maximum towing capacity for a comfortable and safe experience. 

What weight can I legally tow?

You can tow a trailer that weighs up to 3,500kg MAM . This is known as a ‘category BE’ vehicle. Your driving licence information shows which categories of vehicle you’re allowed to drive. View your driving licence information.