How many gallons is a 2010 Chevy Impala gas tank?
The 2010 Chevrolet Impala uses an 18.5-gallon gas tank (about 70 liters).
Fuel-tank capacity is a key spec that affects driving range and refueling intervals. For the 2010 Impala, GM's official specification lists 18.5 gallons, and that figure is generally consistent across the common trims and engines offered that year.
Official capacity and what it means
GM's documentation identifies the fuel capacity of the 2010 Impala as 18.5 gallons. This size provides a balance between trunk space, weight, and range for highway cruising and city driving alike.
Engines and trim across 2010 models
Across the 2010 Impala lineup, including the base 3.5-liter V6 and the larger V6 options, the fuel-tank capacity remains 18.5 gallons. Real-world variations in fill volumes are typically due to fuel gauge calibration or pump cutoffs rather than a different tank size.
Practical implications
With an 18.5-gallon tank, the Impala offers a substantial driving range, subject to engine choice, driving style, and conditions. For planning trips, treat the official capacity as the reference figure and monitor actual fuel economy as you drive.
Summary
In short, a 2010 Chevy Impala's gas tank holds 18.5 gallons (approximately 70 liters), a standard capacity across most trims and engines for that year.
