GMC Sierra — All Model Years

Browse every GMC Sierra model year with specs, fuel economy, and safety ratings.

7 model years available

Year Type Economy Safety Recalls Body
2020 Regular 26MPG — — Truck 2021 Regular 26MPG — — Truck 2022 Diesel 26MPG — — Truck 2023 Flex Fuel 26MPG — — Truck 2024 Flex Fuel 25MPG — — Truck 2025 Diesel 26MPG — — Truck 2026 Regular 25MPG — — Truck