Compare curb weight, loaded weight, rated limits and payload

Is 1,200 kg heavy for a car?

No. By current US-market standards, a car with a curb weight of about 1,200 kg (roughly 2,650 lb) is on the light side. That figure is typical of small cars, not midsize SUVs or pickups. One condition can change this answer: you need to know which weight the 1,200 kg describes. A curb weight of 1,200 kg means a light car. A gross vehicle weight rating of 1,200 kg would be a maximum loaded limit, which says something very different. Before you compare a number with anything else, confirm what kind of weight it is.

The weight terms side by side

Term	What it describes	Fuel and fluids	People and cargo
Curb weight (US)	The vehicle as built, with standard equipment and fitted options	Included at maximum capacity (fuel, oil, coolant)	Excluded
Kerb weight (UK legal definition)	The vehicle with full fuel and normal loose tools and equipment	Full fuel and adequate propulsion liquids included	No person or other load
Unladen weight (UK legal definition)	The body and the parts needed for ordinary road use	Fuel, propulsion water and accumulators excluded	Excluded, along with loose tools and equipment
Unloaded vehicle weight (US)	The vehicle with maximum operating fluids	Included	Occupants, cargo and accessories normally removed when not in use are excluded
Tare (weighbridge use)	The weight of the vehicle when it is empty, measured on a scale	Whatever is on board at the time	Excluded
Gross weight / gross vehicle weight	The actual total weight of the vehicle as it is loaded	As carried	Included
GVWR	The manufacturer's maximum allowed loaded weight for that vehicle	Not applicable (this is a limit)	Not applicable (this is a limit)
GAWR	The manufacturer's maximum load for one axle system, front or rear	Not applicable (this is a limit)	Not applicable (this is a limit)

Are curb weight, kerb weight, unladen weight and tare the same?

Curb and kerb are the US and British spellings of the same idea: an empty, ready-to-drive vehicle with fluids and standard equipment but no occupants or cargo. The exact contents can still differ by jurisdiction and manufacturer. The US federal definition includes maximum fuel, oil and coolant. It also includes air conditioning and any extra weight from an optional engine where those are fitted. Nissan's 2024 Rogue owner's manual goes further and counts optional equipment, emergency tools and the spare tire.

Unladen weight is not always the same as kerb weight. In the UK legal definitions quoted by HMRC, unladen weight leaves out fuel and loose tools, while kerb weight includes them. A UK unladen figure for the same car can therefore be lower than its kerb weight. The US "unloaded vehicle weight" works differently because it keeps the operating fluids. Treat unladen weight as a term whose meaning depends on the country and the document it appears in.

Tare is mostly a weighbridge term. On a public weighbridge, tare is the vehicle weighed without its load, and gross is the total laden weight on the platform. Tare is therefore a measurement of that vehicle on that day, including whatever fuel and equipment it was carrying. It is not a catalog specification.

Does kerb weight include fuel?

In the US and UK definitions above, yes. US curb weight assumes maximum fuel capacity, and the UK kerb weight definition assumes a full fuel tank. In UK legal usage, unladen weight is the term that excludes fuel. If a listing does not say whether its figure includes fuel, ask the seller or check the manufacturer's documentation for that model year and market.

Gross weight, GVWR and maximum gross weight

Gross vehicle weight is what the vehicle actually weighs as loaded. Nissan's Rogue manual defines it as curb weight plus passengers and cargo. It changes every time you add a passenger, luggage or accessories.

The gross vehicle weight rating (GVWR) is the manufacturer's maximum for that loaded weight, and people often call it maximum gross weight. The gross axle weight ratings (GAWR) are separate limits for the front axle and the rear axle. A vehicle can be under its GVWR and still overload one axle if the load is concentrated at one end, so each rating needs its own check.

Payload and the load-capacity label

For a passenger vehicle, the most practical payload figure is printed on the vehicle. According to Nissan's 2024 Rogue manual, the Tire and Loading Information label states the combined maximum weight of occupants and cargo. A separate certification label carries the VIN, the date of manufacture and the weight ratings, including the GVWR and GAWRs. Your owner's manual will tell you where both labels are on your vehicle.

Subtracting curb weight from GVWR shows roughly how much room there is between the empty and the maximum loaded weight. The label figure is the manufacturer's stated occupant and cargo limit, though, so start with that.

Illustrative example with hypothetical numbers: say a car's label shows a combined occupant and cargo limit of 450 kg, and four occupants weigh 300 kg in total. That leaves 150 kg for luggage and any added equipment, such as a roof box. Staying within that 150 kg does not by itself prove the vehicle is within its GVWR or either axle rating. Those remain separate checks against the certification label.

How to find a car's weight figures

• Read the certification label for the VIN, the build date, the GVWR and the front and rear GAWRs.
• Read the Tire and Loading Information label for the combined occupant and cargo limit.
• Check the owner's manual for the matching model year and market. It explains how that manufacturer defines curb weight and what equipment the figure covers.
• In the UK, look at which term the document uses, kerb or unladen, because the two treat fuel and loose tools differently.
• To know what the car actually weighs, use a public weighbridge. Weigh it loaded for the gross figure and empty for tare. Gross minus tare gives the net load you are carrying. That is a measurement of your load, not a capacity rating.

Is 3,700 lb heavy for a car?

A curb weight of 3,700 lb is about 1,680 kg, roughly 480 kg more than a 1,200 kg car. That figure is moderate for today's US market, more in line with midsize sedans and compact SUVs than with small cars. Whether it counts as heavy for you depends on what you are comparing it with. Make sure both figures are curb weights measured on the same basis.

What is the minimum kerb weight of a car?

Weight specifications are not set as minimums. Within one model, the lowest curb weight usually belongs to the base configuration, because the US definition counts fitted options such as air conditioning or a heavier optional engine. If a listing quotes one curb weight for a whole model range, it may not match the trim you are looking at. Check the figure for the exact version.

Comparing weights across used-car listings

Listings often mix terms, units and markets. Before you decide one car is lighter or carries more, put every figure on the same basis:

• Confirm the term: curb, kerb, unladen, tare, gross weight, GVWR or label load capacity.
• Confirm the jurisdiction and the source document, because UK unladen and US curb figures treat fuel differently.
• Match the model year, market, powertrain and trim, since optional engines and equipment add weight.
• Convert all figures to one unit (1 kg is about 2.205 lb).
• Compare load capacity using each car's own label figure, not a value worked out from another vehicle's specs.
• Treat GVWR and each GAWR as limits to stay under, not as weights the car normally runs at.