Model Years

2018 Honda Ridgeline MPG and Fuel Cost

The 2018 Honda Ridgeline is rated 21 to 22 mpg combined across 2 EPA-tested gas versions; the best is the 3.5L 6-cyl · FWD · 6-speed automatic.

EPA fuel economy

2018 Honda Ridgeline · 2 EPA-tested versions

Best EPA rating

22MPG combined

19 city 26 highway

$2,850 a year to fuel

Fuel economy score4/10

3.5L 6-cyl · FWD · 6-speed automatic

Best version costs $3,250 more in fuel over 5 years vs the average new vehicle (EPA)

Fuel cost: 15,000 miles a year at EPA's $4.00 a gallon (regular gas).

Data: US EPA, fueleconomy.govUpdated

At EPA's price assumptions, fuel costs $2,850 to $2,950 a year. Ratings for the best versions are unchanged from 2017.

Fewer complaints than a typical Ridgeline year

The 2018 drew 33 owner complaints in its first three years, against 50 for a typical Ridgeline year. It is not picked as a best year: it is named in an open NHTSA investigation.

Years to avoid: 2023. Based on owner complaints, not adjusted for sales.

Every Ridgeline year rankedThe 2018 Ridgeline's recalls and problems

Every 2018 Ridgeline version

EPA's ratings for each version it tested. Fuel cost is EPA's estimate for 15,000 miles a year at its current prices.

VersionCombinedCity / HwyFuel / year
3.5L 6-cyl · FWD · 6-speed automatic Best
EPA listing: Ridgeline FWD
22 mpg 19 / 26 $2,850
3.5L 6-cyl · AWD · 6-speed automatic
EPA listing: Ridgeline AWD
21 mpg 18 / 25 $2,950

Fuel cost at your prices

EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.00 a gallon for regular gas. Change the numbers to match your driving.

VersionPer yearPer month5 years
3.5L 6-cyl · FWD · 6-speed automatic
$2,727$227$13,636
3.5L 6-cyl · AWD · 6-speed automatic
$2,857$238$14,286

At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50.

Honda Ridgeline MPG by model year

The best-rated version in each model year; the highlighted year is this page. Gas: 17 to 22 mpg (2010 to 2014, 2017 to 2026); highest in 2017.

2018: gas 22 mpg

Show as a table
Honda Ridgeline best combined mpg by model year
Model yearBest gas version
201017
201117
201217
201317
201417
2015–
2016–
201722
201822
201922
202022
202121
202221
202321
202421
202521
202621

How the 2018 Ridgeline compares

2018 midsize pickups covered on this site, ranked by their best combined rating. Fuel cost is for each model's cheapest version to run, at EPA's prices.

2018 modelBest combinedBest gasFuel / year
Best: diesel
25 mpg22 mpg$2,850
Honda Ridgeline This page
Best: gas
22 mpg22 mpg$2,850
Best: gas
21 mpg21 mpg$2,950
Best: gas
21 mpg21 mpg$2,950

2018 Ridgeline recalls and complaints

NHTSA lists 7 safety recalls and 163 owner complaints for the 2018 Ridgeline.

Owners most often describe backup camera problems (60 complaints, 37%), then wiring problems (46). NHTSA's overall crash rating: 5 stars.

See the 2018 Ridgeline recalls and problems

Questions

Does AWD lower the 2018 Honda Ridgeline's gas mileage?

Yes. On versions that differ only in drive, AWD lowers the combined rating by 1 mpg: the 3.5L 6-cyl gets 22 mpg combined with front-wheel drive and 21 with AWD.

Does the 2018 Honda Ridgeline need premium gas?

No. EPA lists every 2018 Honda Ridgeline version on regular gasoline.

How does the 2018 Ridgeline's MPG compare with the 2017?

For 2018, the best gas version is rated 22 mpg, the same as the year before.

Sources and method

  • US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Nov 4, 2026.
  • EPA fuel price assumptions: regular $4.00, midgrade $4.61, premium $5.01, diesel $6.13 a gallon; electricity $0.15 per kWh.
  • Recall and complaint counts: NHTSA recall file dated Nov 12, 2026 and complaint file dated Nov 11, 2026.

Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.