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We Selected 8 Used Cars Up to R$ 50 Thousand That Stand Out in Fuel Consumption, Based on The Official Tables of The PBE Vehicle (Inmetro). Check City/Road Numbers and How to Confirm The Average Price in The Fipe Table.
The search for fuel-efficient used cars has grown because fuel weighs on the budget and new models have become more expensive. To compare consumption with criteria, the PBE Vehicle from Inmetro is the reference: the official tables bring km/l in city and road by version. The most recent edition (2024, 16th cycle) was updated on 12/31/2024, and indicates, among other things, warnings that actual consumption may vary.
In 2024, the government reiterated that PBE values for combustion cars are calculated according to the ABNT NBR 7024, under standardized laboratory conditions and adjusted to reflect typical driver use — an important point for those buying used with the same mechanical set.
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In this guide, we bring 8 options up to R$ 50 thousand with good efficiency and wide availability in the used market. For each, we highlight consumption with gasoline (city/road), as well as observations on the more common versions/years in this range.
8 Fuel-Efficient Used Cars Up to R$ 50 Thousand (Gasoline, City/Road According to Inmetro)
Below, official Inmetro numbers by corresponding version/generation. Where the current model is still in production, we use the PBE 2024 reference; for previous generations (which are very present in the used market), we use the 2018 PBE table, which records the engines/versions from that time.
Fiat Mobi 1.0 (2018–2021)
Consumption: 13.5 km/l (city) and 15.0 km/l (road)
Light subcompact, very agile in the city and known for simple maintenance. Provides real savings for urban use and usually appears in good volume in classified ads.
Fipe Price (Aug/2025, Mobi Like 1.0 2018): R$ 42,569.
Hyundai HB20 1.0 (2016–2019)
Consumption: 13.5 km/l (city) and 14.6 km/l (road)
Popular hatchback with a wide availability of parts and good liquidity in the used market. The naturally aspirated 1.0 versions are the most sought after for balanced consumption and moderate insurance costs.
Fipe Price (Aug/2025, HB20 1.0 “5 Years” 2018): R$ 49,258.
Renault Sandero 1.0 SCe (2017–2019)
Consumption: 13.9 km/l (city) and 14.7 km/l (road)
Spacious for the category, good trunk space, and with simple mechanics. The 1.0 SCe engine stands out for its efficiency and affordable maintenance cost.
Fipe Price (Aug/2025, Sandero Expression 1.0 2018): R$ 39,976.
Renault Kwid 1.0 (2018–2020)
Consumption: 14.9 km/l (city) and 15.6 km/l (road)
Light, economical, and easy to park, it is a common choice for those wanting to drive a lot while spending little. Life/Zen versions usually dominate the ads.
Fipe Price (Aug/2025, Kwid Zen 1.0 2019): R$ 38,060.
Chevrolet Onix Joy 1.0 (2017–2019)
Consumption: 12.9 km/l (city) and 15.3 km/l (road)
Beloved in the used market for its liquidity and the broad assistance network. The Joy version maintains the simple and economical 1.0 set.
Fipe Price (Aug/2025, Onix 1.0 Joy 2018): R$ 46,704.
Nissan March 1.0 (2017–2019)
Consumption: 12.9 km/l (city) and 15.0 km/l (road)
Light compact, honest in performance, and with predictable maintenance. It’s common to find good units in capitals.
Fipe Price (Aug/2025, March 1.0 S 2018): R$ 43,176.
Toyota Etios 1.5 (2016–2018)
Consumption: up to 12.5 km/l (city) and 15.0 km/l (road) (manual sedan); 12.2/14.9 in automatic
Recognized for its reliability and low ownership costs. Particularly, the 1.5 models from 2016 usually stay within the ceiling of R$ 50 thousand.
Fipe Price (Aug/2025, Etios Sedan X 1.5 2016): R$ 43,584.
Peugeot 208 1.2 PureTech (2017–2018)
Consumption: 13.9 km/l (city) and 15.5 km/l (road)
Hatch with an efficient three-cylinder 1.2 engine that’s pleasant to drive; Active/Active Pack manual versions are the most common in the price range.
Fipe Price (Aug/2025, 208 1.2 Active 2018): R$ 41,542.
Important Tip: always check the PBE label corresponding to the year/version you are buying. For models with multiple updates, differences in consumption may exist between years and transmissions.
How Inmetro Measures Consumption (PBE Vehicle) and Why This Matters for Used Cars
The PBE Vehicle standardizes tests and classifies models from A to E, allowing comparison of different cars under the same criteria. For the consumer, this means less guesswork and more official data to guide the purchase. Always use the PBE numbers to inform your choices.
For combustion engines, the results follow the ABNT NBR 7024 and are presented in km/l in the city and on the road. Inmetro itself emphasizes that perceived consumption may vary with traffic, terrain, maintenance, and driving style; thus, treat the figures as a technical reference.
Even when talking about used cars, when the engine/transmission is the same as versions labeled by the PBE, the numbers tend to remain very close — except for wear, different tires, or maintenance changes. In summary: the PBE provides a comparable basis, and the car inspection confirms the rest.
To close the reasoning, it is worth noting that PBE tables undergo periodic reviews; staying updated with the new versions helps avoid base errors.
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