2021 head-to-head · Midsize & Large SUV
2021 Chevrolet Tahoe Diesel vs GMC Yukon
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 Chevrolet Tahoe 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 $2,312 a year to fuel (24 MPG), versus $2,583 for the 2021 GMC Yukon (18 MPG). That's roughly $271 a year, or about $1,354 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
- Chevrolet Tahoe Diesel
- GMC Yukon
Side by side
| Chevrolet Tahoe Diesel | GMC Yukon | |
|---|---|---|
| $2,312 | Your annual fuel cost | $2,583 |
| 24 MPG | Combined efficiency | 18 MPG |
| 21 MPG | City | 16 MPG |
| 28 MPG | Highway | 20 MPG |
| 421 g/mi | Tailpipe CO₂ (g/mi) | 492 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 | 5.3L 8-cyl |
| 10-speed automatic | Transmission | 10-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.
Chevrolet Tahoe Diesel vs GMC Yukon across model years
- Chevrolet Tahoe Diesel
- GMC Yukon
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 Chevrolet Tahoe Diesel ranks 19th and the GMC Yukon 33rd for lowest fuel cost.
The powertrains differ: the Chevrolet Tahoe Diesel is a diesel, while the GMC Yukon is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2021 Chevrolet Tahoe Diesel or the 2021 GMC Yukon?
Measured by cost to drive, the Chevrolet Tahoe Diesel. The Chevrolet Tahoe Diesel is rated 24 MPG combined and the GMC Yukon 18 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Chevrolet Tahoe Diesel vs. the GMC Yukon per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $2,312 for the Chevrolet Tahoe Diesel and $2,583 for the GMC Yukon.
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