2012 Chrysler 300 MPG & Specs — Real-World vs EPA, All Trims
Fuel grade varies by trim — see the breakdown below.
Is the 2012 Chrysler 300 good on gas?
At up to 23 MPG combined, the 2012 Chrysler 300 is better than average for a Large Cars — that class averages about 20.3 MPG across 2,605 EPA-tested versions, so it's a good pick on fuel for its size.
Real-world MPG vs the EPA number
The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.
EPA updated its fuel-economy equations again for model year 2017 — mostly affecting hybrids and turbocharged engines — and recalculated 2011-2016 ratings to match, in some cases 1-2 MPG lower. The number above already reflects that update.
For its most efficient trim, the EPA estimates about $2,700 a year in fuel (15,000 miles) — roughly $225 a month.
2012 Chrysler 300 trims & fuel economy
| Trim (engine / transmission) | Fuel | MPG | Fuel/yr (today's price) |
|---|---|---|---|
| 3.6L 6-cyl, Automatic 5-spd, RWD | REGULAR | 21 | $2,714 |
| 3.6L 6-cyl, Automatic 8-spd, RWD | FLEX-FUEL | 23 | $2,700 |
| 5.7L 8-cyl, Automatic 5-spd, RWD | MIDGRADE | 19 | $3,387 |
2012 Chrysler 300 specs
What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.
| Engine options | 3.6L 6-cyl · 5.7L 8-cyl |
| Transmission | Automatic 5-spd · Automatic 8-spd |
| Drive type | RWD |
| EPA body class | Large Cars |
| Fuel | Varies by trim |
Other years of the Chrysler 300
Similar cars (Large Cars)
Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides
3 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.