economia ·
Fueling in Argentina costs 18% more than in Brazil
Marco Três newsroom · edited by Annie Grellmann
Regular gasoline in Foz do Iguaçu is R$ 6.42/l and premium gasoline in Puerto Iguazú equals R$ 7.59/l, 18% more expensive.

The ANP average indicates that a liter of regular gasoline in Foz do Iguaçu, Brazil, costs R$ 6.42 this week (July 12‑18, 2026). In Argentina, premium gasoline registers 2,276 pesos per liter; using the blue dollar rate (1 US$ = 1,530 ARS) and the official rate of R$ 5.10 per dollar, the converted price reaches R$ 7.59 per liter.
Ruler: gasoline prices in Brazil remain stable compared to the previous week, but they are still 18% lower than the Argentine cost.
For those driving between Foz do Iguaçu and Puerto Iguazú, Argentina, this means refueling on the Brazilian side remains the more economical option, even after accounting for the exchange rate. The R$ 1.17 per liter difference can represent a savings of about R$ 35 on a 30‑L tank, enough to cover most of the cross‑border route.
What this means for you: if your plan includes crossing the border by car, fuel up in Foz do Iguaçu before entering Argentina; this saves you up to nearly 20% on fuel, freeing budget for tours, meals, or shopping in the area.
Read also: How much does a trip to Foz do Iguaçu cost?
Frequently asked questions
- What is the price difference between fuel in Brazil and Argentina?
- Gasoline in Foz costs R$ 6.42/l, while the super gasoline in Puerto Iguazú, converted, costs R$ 7.59/l, 18 % more expensive.
- Is gasoline price in Foz rising or stable?
- The price is stable compared to the previous week, according to the ANP average.
- Should I fuel up in Brazil or Argentina when crossing the border?
- It is more economical to fuel up in Brazil, as the fuel is about 18 % cheaper.
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Content verified by the newsroom based on an official source: Dados Marco Três · ANP + Secretaría de Energía (AR). Last checked: 7/18/2026. Found something inaccurate? We fix it fast. How we work.
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