Gasoline (petrol). The 2021 Audi Q3 is powered by a turbocharged 2.0-liter gasoline engine, and in the United States Audi recommends premium unleaded gasoline with an octane rating of 91 or higher for optimal performance.
Fuel type and octane guidance
The US-spec 2021 Q3 is gasoline-powered only. Audi’s manuals typically advise premium unleaded fuel to preserve performance and efficiency. Fuel octane requirements can vary by market, so consult the owner’s manual for your region if you’re outside the United States.
Key fueling details
- Engine: 2.0-liter turbocharged inline-four gasoline engine
- Fuel type: Gasoline (petrol); no diesel option in the US 2021 model
- Octane rating: Premium unleaded gasoline, typically 91 octane or higher in the US
- Variants by market: In the US, the 2021 Q3 is gasoline-powered; a plug-in hybrid variant (Q3 e-tron) exists in some markets but was not offered in the US for the 2021 model year
Conclusion: For best performance and efficiency, use premium gasoline as recommended by Audi for the 2021 Q3, and always follow the fuel guidance in your regional owner’s manual.
Market differences and context
Across different regions, Audi has offered variations of the Q3 lineup. While the US model year 2021 is gasoline-powered, other markets have included plug-in hybrid options. Diesel options are not part of the US 2021 Q3 lineup, and the availability of alternative fuels depends on local market strategies and regulations.
Summary
The 2021 Audi Q3 takes gasoline (petrol). In the United States, premium unleaded gasoline with an octane rating of 91 or higher is recommended for optimal performance, with variations by region noted in official manuals. The US lineup is gasoline-only for 2021, while some other markets offer plug-in hybrid variants.