2021 head-to-head · Midsize & Large SUV

2021 Buick Enclave vs Chevrolet Tahoe Diesel

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,214/ year to fuel
21 MPG
✓ Cheaper to run
$2,312/ year to fuel
24 MPG

The 2021 Buick Enclave is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, it costs about $2,214 a year to fuel (21 MPG), versus $2,312 for the 2021 Chevrolet Tahoe Diesel (24 MPG). That's roughly $98 a year, or about $491 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

  • Buick Enclave
  • Chevrolet Tahoe Diesel

Side by side

Buick EnclaveChevrolet Tahoe Diesel
$2,214 Your annual fuel cost $2,312
21 MPG Combined efficiency 24 MPG
18 MPG City 21 MPG
26 MPG Highway 28 MPG
420 g/mi Tailpipe CO₂ (g/mi) 421 g/mi
4/10 EPA fuel economy score 5/10
4/10 EPA greenhouse gas score 4/10
Gas Powertrain Diesel
Regular gasoline Fuel Diesel
3.6L 6-cyl Engine / motor 3.0L 6-cyl turbo
9-speed automatic Transmission 10-speed automatic
FWD 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.

Buick Enclave vs Chevrolet Tahoe Diesel across model years

  • Buick Enclave
  • Chevrolet Tahoe Diesel

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 Buick Enclave ranks 16th and the Chevrolet Tahoe Diesel 19th for lowest fuel cost.

The powertrains differ: the Buick Enclave is a conventional gas model, while the Chevrolet Tahoe Diesel is a diesel.

Frequently asked questions

Which is more fuel-efficient, the 2021 Buick Enclave or the 2021 Chevrolet Tahoe Diesel?

Measured by cost to drive, the Buick Enclave. The Buick Enclave is rated 21 MPG combined and the Chevrolet Tahoe Diesel 24 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Buick Enclave vs. the Chevrolet Tahoe Diesel per year?

At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $2,214 for the Buick Enclave and $2,312 for the Chevrolet Tahoe Diesel.

Buick Enclave vs Chevrolet Tahoe Diesel in other years

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