How to buy a used car in Paraguay

Buying a used car in Paraguay is not just about finding a good price. The car has to be technically sound, the documents must be clean, and the transfer must be possible without surprises.

Many used cars in Paraguay arrive with wear from the heat, traffic, dust, uneven roads, cobblestones, potholes, and irregular maintenance. That's why inspection and test driving are not just a formality: they are the part that saves you money.

In this guide

• Documents
• Buying process
• Test drive
• Common problems
• Recently imported
• Before signing
• What you should receive
• First maintenance
• Final checklist

1. The documents you need to know

Before buying, understand what the main documents of the process are. Once you know these names, talking to the dealership and the notary becomes much easier.

Vehicle title

The vehicle title is the ownership document of the car and one of the most important in the entire purchase. Check that they match:

• Owner's name
• Chassis number
• Engine number, if listed
• License plate
• Make, model, and year
• No strange corrections or unclear amendments

If the dealership is not listed as the owner, ask how they are authorized to sell the car. It can be perfectly normal, but it needs to be clear.

Green card

The green card is the vehicle identification and contains the basic registered data. You will need it to drive and for several subsequent procedures. Check that:

• The license plate matches the car
• The chassis number matches the car
• The owner's data matches the title
• Make, model, year, and basic details are correct

Municipal license (patent)

The municipal license, commonly called patent, is the annual municipal authorization that allows the car to circulate legally. In practice, you also need the current municipal sticker, which is renewed every year and is placed on the windshield.

• That the current year is paid
• That the car has the current municipal sticker
• That the license plate matches the license
• That the municipality's data is correct
• That the seller provides you with the payment receipt or the municipal document

Sales contract

The sales contract is the agreement between buyer and seller. It must include details of the buyer and seller, make, model and year, license plate, chassis number, engine number if applicable, final price, payment method, delivery date, who pays the transfer costs, warranty conditions if any, and all pending promises from the seller.

Reservation or deposit receipt

The deposit receipt is key when you pay something to reserve the car before closing the purchase. It has to clearly state:

• Amount paid
• Exact car reserved: make, model, year, license plate, and ideally chassis number
• Name and RUC of the dealership or seller
• Your name and document number
• Date of payment
• Until what date and time the car is reserved
• If the deposit is refundable
• What happens if you do not complete the purchase before the deadline
• What happens if the dealership cannot complete the sale or the documents are not in order

Legal verification by the notary

The legal verification is the check that the notary does to confirm that the car can indeed be sold and transferred. Ask them to confirm:

• That it has no liens
• That it has no encumbrances
• That there are no legal restrictions
• That there are no ownership issues
• That nothing prevents the transfer

The car may seem perfect, but if it cannot be transferred cleanly, it is a bad purchase.

Proof of procedure

The proof of procedure is the evidence that the transfer process has started, when the final documents are still not ready. Ask:

• What document do I receive today?
• Can I drive with this document?
• When will the green card be in my name?
• Who will notify me when the transfer is completed?
• What documents do I still need to collect?

Do not leave the notary without clear proof of what was signed and what remains pending.

2. The buying process, step by step

The process is simple if you respect the order and do not rush to pay too soon.

1. Choose the car.
2. Conduct the technical inspection, ideally with a mechanic.
3. Do a serious test drive.
4. Request the documents: title, green card, municipal license or patent.
5. Compare the car's data with the documents.
6. Agree on price and conditions.
7. If you pay a reservation, get the receipt in writing with a deadline and refund conditions.
8. Visit a notary.
9. The notary verifies the legal status and prepares the documentation.
10. Sign only when the documents and legal status are clear.
11. Pay according to the agreed conditions.
12. Receive keys, receipts, contract, and proof of the transfer procedure.
13. Follow up until the green card is in your name.

3. The test drive: 8 tests worth doing

A test drive should show how the car behaves in real Paraguayan conditions, not just how it feels taking a turn around the block.

Test 1 — Starting it cold

A cold start reveals engine problems that are hidden once the car is warm. Check that it starts easily, that it does not smoke, that the engine is steady at idle, that there are no warning lights, and that there are no knocks, clicks, or irregular noises.

Test 2 — Exceeding 50 km/h

Accelerating out of city speed exposes vibrations, transmission issues, tire problems, and stability. Check that the acceleration is smooth, that the steering wheel does not vibrate, that the car feels firm, that the transmission shifts smoothly, and that there are no strange noises from the engine, tires, or suspension.

Vibrations can come from tires, wheels, suspension, alignment, or transmission.

Test 3 — A long straight

A straight road shows if the steering, alignment, tires, and suspension are working well. The car should go straight, without pulling to one side, with the steering wheel centered and without you having to correct all the time. Pulling to one side can indicate alignment, tire, brake, suspension, or collision damage.

Test 4 — Parking and changing gears

Low-speed maneuvers reveal transmission, steering, and mechanical issues. In a safe place, slowly shift between P, R, N, and D. The shifts should feel smooth, without hard knocks, long delays, or jerks. Reverse a few meters to confirm that the reverse gear engages cleanly.

Test 5 — Cobblestones and uneven roads

This is the type of road that the car will actually use, so test it there. Pay attention to squeaks, knocks, looseness, if the car "floats" like a boat, if the body rebounds too much after bumps, and if the steering feels imprecise.

That floating sensation usually comes from worn shocks, bushings, ball joints, sway bars, suspension arms, or steering components.

Test 6 — Braking (carefully)

Do it only where it is safe and without traffic behind. Brake normally first and then harder. The car should stop straight, the steering wheel should not shake, the pedal should not feel spongy, and there should be no rubbing noise. Problems can be in pads, discs, brake fluid, calipers, tires, or suspension.

Test 7 — The air conditioning

In Paraguay, air conditioning is not a luxury: test it like any other mechanical system. It should cool quickly, stay cold at idle and in traffic, work at all fan speeds, not emit bad odors, and not make strange compressor noises.

Weak air conditioning could be a simple gas recharge, but it could also be an expensive compressor repair.

Test 8 — Checking the temperature

The temperature gauge tells you if the cooling system can handle the heat and traffic. While driving, check that the temperature remains stable, does not rise in traffic, that the electric fan starts, and that there is no smell of coolant, steam, or signs of overheating.

Overheating can mean radiator, fan, thermostat, water pump, head gasket, or cooling system issues.

4. Frequent technical problems in Paraguay

Used cars here often show wear from heat, poor roads, traffic, and irregular maintenance. These are the four main issues that repeat the most.

• Cooling system. Heat and traffic quickly expose radiators, fans, hoses, or loose thermostats. Signs: rising temperature, dirty or oxidized coolant, smell of coolant, fan that does not start, white smoke, leaks under the car.
• Suspension. Many cars have spent years on cobblestones, bumps, and potholes. Signs: knocks, squeaks, uneven tire wear, pulling to one side, floating sensation, loose steering.
• Automatic transmission. Repairs are expensive, so any sign matters: delay when shifting from P to D or R, jerks, slipping, harsh shifts, warning lights, burnt smell from transmission fluid. Always test when cold and hot.
• Collision repairs. They are not necessarily a problem, but you need to know if they were done well and if the price reflects that. Signs: different paint tones, uneven gaps between panels, paint remnants, welding marks, misaligned optics or bumpers, airbag light on, deformations in the trunk or engine compartment.
• Water or flood damage. They generate hidden electrical failures that only appear after a while. Signs: strange smell inside, moisture under the carpets, rust on the seat rails, mud remnants in hidden places, warning lights on the dashboard, electrical problems. Be wary if the interior looks freshly washed but smells strange.

5. Buying recently imported cars

In Paraguay, recently imported cars are often attractive because they have not yet gone through local roads, heat, dust, and traffic. Before deciding, ask for:

• Import or nationalization documents
• Confirmation that the car can be registered and transferred normally
• Auction sheet or history from abroad, if available
• Information about the mileage
• Accident history, if known
• Status of the airbags
• Availability of spare parts in Paraguay

Some recently imported cars are immaculate. Others may have collision repairs, flood damage, or mileage tampering before arriving in the country. Also check the spare parts: an uncommon imported model can be difficult and expensive to maintain. If that concerns you, check our guide on the most reliable used cars in Paraguay.

6. What to confirm before signing at the notary

The notary is where the legal side is checked before you commit. Before signing, confirm that:

• The vehicle title is valid
• The seller has the right to sell
• The chassis number matches the car, the title, and the green card
• The license plate matches all documents
• The license or patent is up to date
• The car has no liens
• The car has no encumbrances
• There is no legal blockage preventing the transfer
• The contract includes price, payment method, delivery date, transfer costs, warranty, and pending promises
• The notary can explain when and how the transfer is completed

7. What you should receive

From the dealership

A serious dealership can show the documents straightforwardly and put important things in writing. Before or during the purchase, they should show or provide you with:

• Vehicle title
• Green card
• Up-to-date municipal license or patent
• Sales contract
• Deposit receipt, if you paid one
• Final payment receipt
• Warranty conditions, if any
• All keys, including a spare key if available
• Owner's manual and service book, if available
• Import documents, if it is newly imported
• Written confirmation of pending repairs, documents, accessories, or promises

From the notary

The notary must provide proof of what was signed, what procedure started, and what remains pending. Ask for:

• Signed sales contract
• Proof that the transfer procedure has begun
• Proof of procedure, if the final documents are still not ready
• Receipt for the notary's fees
• Explanation of what documents you will receive later
• Estimated completion date
• Confirmation of whether you can drive with the current documents

Also ask who will follow up: you, the dealership, or the notary.

8. The first maintenance after buying

Doing basic maintenance right after you buy puts you on a known foundation, instead of relying on what the seller said. Consider changing engine oil, oil filter, air filter, cabin filter, coolant if it is unclear, brake fluid if it is old or unknown, and automatic transmission fluid if applicable for that model.

Many sellers say the oil was changed recently. If there is no proof, it is cheaper to start from scratch than to trust.

9. Final checklist

Before closing, review this list so nothing slips through the cracks in the excitement of the purchase.

Conclusion

Buying a used car in Paraguay is perfectly manageable if you respect the order: inspect the car, verify the documents, and let the notary check the legal side before signing.

The best purchase is not simply the cheapest car. It is the one that combines good technical condition, clean documents, clear ownership, an orderly transfer process, and written agreements for everything the seller still promises to do.