2021 head-to-head · Midsize & Large SUV
2021 Chevrolet Suburban vs Chevrolet Suburban 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.
The 2021 Chevrolet Suburban Diesel 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 $2,413 a year to fuel (23 MPG), versus $2,583 for the 2021 Chevrolet Suburban (18 MPG). That's roughly $170 a year, or about $851 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 Suburban
- Chevrolet Suburban Diesel
Side by side
| Chevrolet Suburban | Chevrolet Suburban Diesel | |
|---|---|---|
| $2,583 | Your annual fuel cost | $2,413 |
| 18 MPG | Combined efficiency | 23 MPG |
| 16 MPG | City | 21 MPG |
| 20 MPG | Highway | 27 MPG |
| 492 g/mi | Tailpipe CO₂ (g/mi) | 437 g/mi |
| 3/10 | EPA fuel economy score | 5/10 |
| 3/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Diesel |
| Regular gasoline | Fuel | Diesel |
| 5.3L 8-cyl | Engine / motor | 3.0L 6-cyl turbo |
| 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 Suburban vs Chevrolet Suburban Diesel across model years
- Chevrolet Suburban
- Chevrolet Suburban 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 Chevrolet Suburban ranks 32nd and the Chevrolet Suburban Diesel 21st for lowest fuel cost.
The powertrains differ: the Chevrolet Suburban is a conventional gas model, while the Chevrolet Suburban Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2021 Chevrolet Suburban or the 2021 Chevrolet Suburban Diesel?
Measured by cost to drive, the Chevrolet Suburban Diesel. The Chevrolet Suburban is rated 18 MPG combined and the Chevrolet Suburban Diesel 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Chevrolet Suburban vs. the Chevrolet Suburban Diesel per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $2,583 for the Chevrolet Suburban and $2,413 for the Chevrolet Suburban Diesel.
Chevrolet Suburban vs Chevrolet Suburban Diesel in other years
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