Gmc Sierra 1500

Sierra 1500 L87 MY2025 US · 2025 · United States

Engine: 6.2 L (GM TechLink MY2025 chart)

No verified photo for this configuration.

Full specifications

Engine & powertrain3

Engine code	L87, GM engine RPO (GM TechLink MY2025 chart) Applies only to model-year 2025 GMC Sierra 1500 vehicles with the L87 engine (6.2L V8), for the United States record Sierra 1500 L87 MY2025 US, per GM TechLink's January 2025 chart (which covers U.S. and Canada); other model years and markets are not established by this source. Internal descriptive configuration label, not an OEM chassis code. Identifies the engine only; no output, fuel system or transmission is inferred. Source SHA-256 2b876c2b728bb185437a1f21ea1b29bc377e81ddd063060da737a8554045e9d5.
Engine displacement	6.2 L (GM TechLink MY2025 chart) Applies only to model-year 2025 GMC Sierra 1500 vehicles with the L87 engine (6.2L V8), for the United States record Sierra 1500 L87 MY2025 US, per GM TechLink's January 2025 chart (which covers U.S. and Canada); other model years and markets are not established by this source. Internal descriptive configuration label, not an OEM chassis code. Identifies the engine only; no output, fuel system or transmission is inferred. Source SHA-256 2b876c2b728bb185437a1f21ea1b29bc377e81ddd063060da737a8554045e9d5.
Powertrain designation	6.2 L V8 gasoline (GEN 5); direct injection (DI); AFM (GM body builder VIN engine table) Applies only to model-year 2025 GMC Sierra 1500 trucks with RPO L87, for the United States record Sierra 1500 L87 MY2025 US, per GM's GM 2025 Sierra 1500 Electrical Body Builder Manual (U.S. and Canada VIN decode). Internal descriptive configuration label, not an OEM chassis code. Engine type only; no output, transmission, axle or cab is inferred. Source SHA-256 5eb695fb0c3fa5df45f0110bf1df3ab9fdef3b12608813908d6533e9c82d8670.

Capacities & service fluids3

Coolant capacity	12.6 L (13.3 US qt) approximate entire engine cooling system capacity; recheck the level after filling. Sierra 1500 L87 MY2025 US. Exact engine row; capacity includes the entire engine cooling system and its components.
Engine oil capacity	8.0 US qt (7.6 L) with filter (GM TechLink MY2025 chart) Applies only to model-year 2025 GMC Sierra 1500 vehicles with the L87 engine (6.2L V8), for the United States record Sierra 1500 L87 MY2025 US, per GM TechLink's January 2025 chart (which covers U.S. and Canada); other model years and markets are not established by this source. Internal descriptive configuration label, not an OEM chassis code. With-filter quantity; check the dipstick after filling. Source SHA-256 2b876c2b728bb185437a1f21ea1b29bc377e81ddd063060da737a8554045e9d5.
Fuel tank capacity	Standard/short box: 90.8 L (24.0 US gal). Long box: 107.1 L (28.3 US gal). Approximate fuel tank capacities; identify the box and drivetrain before selecting a value. Sierra 1500 L87 MY2025 US. Conditional decision table, not a universal tank capacity. Box length and drivetrain are not inferred from engine RPO.

Battery & charging2

12V battery	12-volt Absorbed Glass Mat (AGM) battery for the factory Stop/Start system. Match the replacement number on the original battery label; case size and Ah rating are not specified here. Sierra 1500 L87 MY2025 US. Factory Stop/Start equipment explicitly covers this engine RPO on p.361. Battery chemistry/voltage only; use the original battery replacement number for fitment. Do not infer case size, CCA or Ah.
Smart-key battery	CR2450 lithium or equivalent remote-key battery; install positive side up. Sierra 1500 L87 MY2025 US. Applies to the remote key illustrated in this model manual; verify the key fitted.

12V battery

12-volt Absorbed Glass Mat (AGM) battery for the factory Stop/Start system. Match the replacement number on the original battery label; case size and Ah rating are not specified here.

Sierra 1500 L87 MY2025 US. Factory Stop/Start equipment explicitly covers this engine RPO on p.361. Battery chemistry/voltage only; use the original battery replacement number for fitment. Do not infer case size, CCA or Ah.

Smart-key battery

CR2450 lithium or equivalent remote-key battery; install positive side up.

Sierra 1500 L87 MY2025 US. Applies to the remote key illustrated in this model manual; verify the key fitted.