2021 head-to-head · Midsize & Large SUV
2021 GMC Yukon Diesel vs Toyota 4Runner
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2021 GMC Yukon Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, it costs about $2,413 a year to fuel (23 MPG), versus $2,735 for the 2021 Toyota 4Runner (17 MPG). That's roughly $322 a year, or about $1,611 over five years.
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 Yukon Diesel
- Toyota 4Runner
Side by side
| GMC Yukon Diesel | Toyota 4Runner | |
|---|---|---|
| $2,413 | Your annual fuel cost | $2,735 |
| 23 MPG | Combined efficiency | 17 MPG |
| 21 MPG | City | 16 MPG |
| 27 MPG | Highway | 19 MPG |
| 437 g/mi | Tailpipe CO₂ (g/mi) | 503 g/mi |
| 5/10 | EPA fuel economy score | 3/10 |
| 4/10 | EPA greenhouse gas score | 3/10 |
| Diesel | Powertrain | Gas |
| Diesel | Fuel | Regular gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 4.0L 6-cyl |
| 10-speed automatic | Transmission | 5-speed automatic |
| RWD | Drivetrain | RWD |
✓ 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 Yukon Diesel vs Toyota 4Runner across model years
- GMC Yukon Diesel
- Toyota 4Runner
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 65 2021 midsize & large SUVs, the GMC Yukon Diesel ranks 22nd and the Toyota 4Runner 37th for lowest fuel cost.
The powertrains differ: the GMC Yukon Diesel is a diesel, while the Toyota 4Runner is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2021 GMC Yukon Diesel or the 2021 Toyota 4Runner?
Measured by cost to drive, the GMC Yukon Diesel. The GMC Yukon Diesel is rated 23 MPG combined and the Toyota 4Runner 17 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 GMC Yukon Diesel vs. the Toyota 4Runner per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $2,413 for the GMC Yukon Diesel and $2,735 for the Toyota 4Runner.
GMC Yukon Diesel vs Toyota 4Runner in other years
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