2021 head-to-head · Full-Size Pickup
2021 GMC Sierra vs Honda Ridgeline
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 3.5L 6-cyl · 9-speed automatic · 21 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2021 GMC Sierra (21 MPG) costs about $2,214 a year to fuel and the 2021 Honda Ridgeline (21 MPG) about $2,214.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- GMC Sierra
- Honda Ridgeline
Side by side
| GMC Sierra | Honda Ridgeline | |
|---|---|---|
| $2,214 | Your annual fuel cost | $2,214 |
| 21 MPG | Combined efficiency | 21 MPG |
| 20 MPG | City | 18 MPG |
| 23 MPG | Highway | 24 MPG |
| 421 g/mi | Tailpipe CO₂ (g/mi) | 441 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.7L 4-cyl turbo | Engine / motor | 3.5L 6-cyl |
| 8-speed automatic | Transmission | 9-speed automatic |
| RWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
GMC Sierra vs Honda Ridgeline across model years
- GMC Sierra
- Honda Ridgeline
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 17 2021 full-size pickups, the GMC Sierra ranks 8th and the Honda Ridgeline 10th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2021 GMC Sierra vs. the Honda Ridgeline per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,214 for the GMC Sierra and $2,214 for the Honda Ridgeline.
GMC Sierra vs Honda Ridgeline in other years
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