MakesGMC
GMC MPG by model
EPA has rated 25 GMC nameplates in model years 1984–2026; 12 of them have a page of their own here. Its highest rating is 32 MPG, by the Terrain in 2018–2019. The Sierra has the longest record, 38 model years, and the Savana Cargo the weakest yearly peak, 12 MPG. Of these nameplates, 13 have had a diesel version, the second most of any make on this site. For 2026 EPA rated five of its nameplates with fuel-burning versions; the Terrain leads them at 27 MPG.
Every GMC nameplate
| Nameplate | Model years | Class (most years) | Best version, MPG | Weakest year | Other powertrains |
|---|---|---|---|---|---|
| Acadia | 2007–2026 | standard SUVs | 25 (2021–2023) | 18 | gasoline only |
| Canyon | 2004–2026 | small pickup trucks | 25 (2016–2018) | 20 | diesel |
| Jimmy | 1984–2004 | special purpose vehicles | 23 (1984) | 16 | diesel |
| Pickup | 1984–1988 and 1995 | standard pickup trucks | 21 (1985–1987) | 14 | diesel |
| Rally | 1984–1995 | vans | 19 (1984) | 16 | diesel |
| Safari | 1985–1993 | vans | 22 (1985–1986 and 1988) | 17 | gasoline only |
| Savana Cargo | 1996–2015 | vans | 17 (2011–2013) | 12 | CNG, bi-fuel CNG, flex-fuel |
| Sierra | 1989–2026 | standard pickup trucks | 26 (2022–2023 and 2025) | 16 | diesel, flex-fuel, hybrid, CNG, electric |
| Suburban | 1984–1999 | special purpose vehicles | 18 (1985–1987) | 13 | diesel |
| Terrain | 2010–2026 | small SUVs | 32 (2018–2019) | 25 | flex-fuel, diesel |
| Vandura | 1984–1995 | vans | 20 (1984) | 16 | diesel |
| Yukon | 1992–2026 | SUVs | 23 (2024–2026) | 13 | diesel, flex-fuel, hybrid |
| C2500 Sierrasame ratings as the Chevrolet C2500 Pickup | 1989–1992 | standard pickup trucks | 19 (1989 and 1991–1992) | 18 | diesel |
| Caballero Pickupsame ratings as the Chevrolet El Camino Pickup | 1984–1987 | standard pickup trucks | 21 (1984) | 18 | diesel |
| Envoy | 2002–2009 | SUVs | 17 (2007–2009) | 16 | gasoline only |
| EV1 | 1999 | electric | 85 MPGe | – | electric |
| Hummer EV | 2024–2025 | electric | 53 MPGe | – | electric |
| K2500 Sierra | 1989–1992 | standard pickup trucks | 18 (1992) | 16 | diesel |
| S15 Cab Chassissame ratings as the Chevrolet S10 Cab Chassis | 1984–1988 | special purpose vehicles | 17 (1985–1987) | 14 | gasoline only |
| S15 Pickupsame ratings as the Chevrolet S10 Pickup | 1984–1990 | small pickup trucks | 29 (1984) | 22 | diesel |
| S15 Utility Body | 1984 | special purpose vehicles | 18 (1984) | 18 | gasoline only |
| Safari Cargosame ratings as the Chevrolet Astro Cargo | 1994–2005 | vans | 17 (2002–2003 and 2005) | 16 | gasoline only |
| Safari Passengersame ratings as the Chevrolet Astro Passenger | 1990–2005 | vans | 17 (1990 and 2001) | 16 | gasoline only |
| Savana Passengersame ratings as the Chevrolet Express Passenger | 1996–2017 | vans | 15 (2004–2006) | 13 | CNG, bi-fuel CNG, flex-fuel |
| Sonomasame ratings as the Chevrolet S10 Pickup | 1991–2004 | small pickup trucks | 23 (1997 and 1999–2000) | 15 | flex-fuel |