The Citroen C3 delivers an ARAI-certified mileage of around 19.3 kmpl for both its naturally aspirated and turbo-petrol engines. The CNG variant offers higher efficiency at approximately 28.1 km/kg. In real-world driving, the turbo petrol version typically returns around 14-15 kmpl.

As of the 2024 update, the Citroen C3 comes standard with six airbags across all variants, including front, side, and curtain airbags. Earlier models were equipped with only dual front airbags, but safety was significantly enhanced in the later updates.

The Citroen C3 is a 5-seater hatchback, offering seating for five passengers with a three-person rear bench. It provides a comfortable cabin with ample front legroom and a higher seating position for better visibility, along with a 315-litre boot for luggage.

The Citroen C3 comes with a 45-litre fuel tank in its latest Indian models, offering an extended driving range. Some older or specific 2022-2023 variants, like the Feel 1.2, were equipped with a smaller 30-litre tank.

Citroen vehicles are designed with ground clearance suitable for diverse road conditions. The Citroen C3 hatchback has a clearance of 180 mm, the C3 Aircross SUV offers 200 mm, and the premium C5 Aircross SUV provides the highest clearance at 230 mm.

The safety rating of the Citroen C3 varies depending on the model and region. The hatchback version received a 0-star rating in Latin NCAP tests, whereas the 5-seater C3 Aircross SUV earned a 5-star rating for adult occupants and 4 stars for child occupants in Bharat NCAP evaluations.

The Citroen C3 hatchback comes with a boot capacity of 315 litres, which is consistent across both its naturally aspirated and turbo petrol variants. This makes it ideal for city driving and short family trips.