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CIOpen Car Index

Every car. Every number. Every source.

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© 2026 Open Car Index. Demonstration build — sample vehicles are fictional and clearly labeled.

Estimated range (combined) ranking · Open Car Index

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Fuel Economy

Estimated range (combined) ranking

Higher is better. Every figure is sourced.

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Estimated from tank capacity and quoted combined economy — not an instrumented range.

Contributor mode. These published cars have no estimated range (combined) figure yet. Add one with a source — an editor verifies every submission.

Every published car already has a estimated range (combined) value. Thank you!

Leaders are decided on the canonical measurement at full precision, so the order is correct whichever unit system you view. Open a car to see each value’s source and alternates.