Chevrolet · 1984–2027 · Diesel
Chevrolet Suburban Diesel MPG by year
The EPA has rated 15 model years of the Chevrolet Suburban Diesel, from 1984 to 2027. The most fuel-efficient year is the 2027, at 23 MPG combined in its best configuration. The best 2027 model is 28% more efficient than the best 1984 model (23 vs. 18 MPG). The 2027 model is 5% more efficient than the median midsize or large SUV that year (23 vs. 22 MPG).
Combined MPG by model year
- Suburban Diesel, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every Suburban Diesel model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2027 | Diesel | 23 MPG lowest 22 |
21 / 26 | 22 | — | 2 | $2,413 |
| 2026 | Diesel | 23 MPG lowest 22 |
21 / 26 | 22 | — | 2 | $2,413 |
| 2025 | Diesel | 23 MPG lowest 22 |
21 / 26 | 21 | — | 2 | $2,413 |
| 2024 | Diesel | 23 MPG lowest 22 |
21 / 27 | 21 | — | 2 | $2,413 |
| 2023 | Diesel | 23 MPG lowest 22 |
21 / 27 | 20 | — | 2 | $2,413 |
| 2022 | Diesel | 23 MPG lowest 22 |
21 / 27 | 20 | — | 2 | $2,413 |
| 2021 | Diesel | 23 MPG lowest 22 |
21 / 27 | 20 | — | 2 | $2,413 |
| 1991 | Diesel | 17 MPG lowest 16 |
15 / 20 | 17 | — | 2 | $3,265 |
| 1990 | Diesel | 17 MPG lowest 16 |
15 / 21 | 17 | — | 2 | $3,265 |
| 1989 | Diesel | 17 MPG lowest 16 |
15 / 22 | 17 | — | 2 | $3,265 |
| 1988 | Diesel | 17 MPG lowest 16 |
15 / 21 | 16.5 | — | 2 | $3,265 |
| 1987 | Diesel | 18 MPG lowest 16 |
16 / 21 | 17 | — | 3 | $3,083 |
| 1986 | Diesel | 18 MPG lowest 16 |
16 / 22 | 17.5 | — | 2 | $3,083 |
| 1985 | Diesel | 18 MPG lowest 16 |
15 / 22 | 17 | — | 3 | $3,083 |
| 1984 | Diesel | 18 MPG lowest 16 |
16 / 22 | 17 | — | 3 | $3,083 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare Suburban Diesel model years
See how much a newer Suburban Diesel would save over an older one.
Models similar to the Chevrolet Suburban Diesel
Other Chevrolet Suburban versions
Frequently asked questions
Which Chevrolet Suburban Diesel year has the best fuel economy?
The 2021 Chevrolet Suburban Diesel, rated up to 23 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $2,413 a year.
Which Chevrolet Suburban Diesel year has the worst fuel economy?
The 1988 model, whose most efficient version is rated 17 MPG combined (about $3,265 a year to fuel).
What is the fuel economy of the latest Chevrolet Suburban Diesel?
The 2027 Chevrolet Suburban Diesel is rated up to 23 MPG combined.