Every engine, transmission, drivetrain and fuel economy combination
the EPA certified for the 2021 Ridgeline. 1 configurations listed,
with city, highway and combined mpg, annual fuel cost and tailpipe CO₂ for each one.
Engine and transmission combinations
Engine
Transmission
Drive
City
Hwy
Comb.
L/100km
Fuel cost/yr
CO₂ g/mi
Fuel
3.5L I6 Start-stop
Automatic (S9)
AWD
18
24
21
11.2
$3,200
441
Regular Gasoline
mpg figures are the EPA window-sticker values in US gallons. The L/100km
column is the same figure converted for metric readers. CO₂ is tailpipe only and excludes
fuel production.
Engine summary
Engine 1
3.5L V6 (Regular Gasoline)
Engine technology and equipment
Engine technology
SIDI
Start-stop
Engine idle-stop system fitted on at least one configuration
Manufacturer config codes
HNX
Drivetrain and class
Drivetrain
AWD
Vehicle class
Standard Pickup Trucks 4WD
Fuel types
Regular Gasoline
Fuel economy range
Best combined
21 mpg
(11.2 L/100km)
Worst combined
21 mpg
(11.2 L/100km)
Spread
21 mpg combined across configurations
Annual fuel cost (best)
$3,200
Emissions and running cost
Tailpipe CO₂ (best config)
441 g/mile
EPA fuel economy score
4 / 10
EPA greenhouse gas score
4 / 10
5-year fuel cost vs average new vehicle
$4,000 more
Not yet published
Dimensions, curb weight, interior volume, oil capacity and torque
specifications require official Honda documentation that we have not yet
verified for this model year. They will be added once sourced.