2025 · Midsize & Large SUV · Diesel
2025 Chevrolet Tahoe Diesel MPG & fuel economy
The 2025 Chevrolet Tahoe Diesel is a midsize or large SUV offered in 2 EPA-rated configurations. The most efficient version returns 24 MPG combined (22 city / 26 highway) on diesel. Across the lineup, combined ratings range from 22 to 24 MPG. Efficiency is unchanged from the 2024 model. Among 94 midsize & large SUVs rated for 2025, it ranks 50th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,312 a year to fuel.
What will it cost you?
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Fuel average
The 2025 Chevrolet Tahoe Diesel's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 9.4 km/L in the city and 11.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 22 | 9.4 | 10.7 |
| Highway | 26 | 11.1 | 9.0 |
| Combined | 24 | 10.2 | 9.8 |
How it ranks among 2025 Midsize & Large SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Tahoe Diesel MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.0L 6-cyl turbo · 10-speed automatic Tahoe 2WD |
Diesel | 22 MPG | 26 MPG | 24 MPG | — | $2,312 |
| 4WD · 3.0L 6-cyl turbo · 10-speed automatic Tahoe 4WD |
Diesel | 20 MPG | 26 MPG | 22 MPG | — | $2,523 |
Specs (most efficient configuration)
- Fuel
- Diesel
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 10-speed automatic
- Drivetrain
- RWD
- Tailpipe CO₂
- 427 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 4/10
2025 Chevrolet Tahoe Diesel vs. rivals
Compare the 2025 Tahoe Diesel
With any other car from any year, including other Tahoe Diesel model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2025 Chevrolet Tahoe (17 MPG)
Frequently asked questions
What is the gas mileage of the 2025 Chevrolet Tahoe Diesel?
Up to 24 MPG combined (22 city / 26 highway); ratings range from 22 to 24 MPG depending on configuration.
What fuel does the 2025 Chevrolet Tahoe Diesel use?
Diesel.
What is the fuel average in km/L for the 2025 Chevrolet Tahoe Diesel?
The 2025 Chevrolet Tahoe Diesel's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 9.4 km/L in the city and 11.1 km/L on the highway.
How much does it cost to fuel the 2025 Chevrolet Tahoe Diesel per year?
About $2,312 at 15,000 miles a year with $3.70/gal diesel fuel, or $15.42 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.