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Vehicle Specification Lookup Tool🔍
GMC Hummer Oil Capacity (2023-2026)
Available lubricating fluid capacities are listed below by model year and component.
Check out the Oil Capacity specifications for other makes and models.
2026 GMC Hummer Lubricating Fluid Capacities
The oil capacity data we have for the 2026 GMC Hummer includes the automatic transmission.
2026 GMC Hummer Automatic Transmisson Oil Capacities
The 2026 GMC Hummer automatic transmission capacity is either 3.9 quarts or 8 quarts as shown in the table below organized by the vehicle's transmission configuration.
| Engine | Automatic Transmission Type | Automatic Transmission Initial Fill (Imp.) | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Initial Fill (Metric) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|---|---|
| 0 | 1 Spd P79 | 6.3 Quarts | 8 Quarts | 6 Liters | 7.6 Liters |
| 0 | 1 Spd P80 | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd P8L | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd S80 | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd S8L | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
2025 GMC Hummer Lubricating Fluid Capacities
The oil capacity data we have for the 2025 GMC Hummer includes the automatic transmission.
2025 GMC Hummer Automatic Transmisson Oil Capacities
The 2025 GMC Hummer automatic transmission capacity is either 3.9 quarts or 8 quarts as shown in the table below organized by the vehicle's transmission configuration.
| Engine | Automatic Transmission Type | Automatic Transmission Initial Fill (Imp.) | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Initial Fill (Metric) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|---|---|
| 0 | 1 Spd P79 | 6.3 Quarts | 8 Quarts | 6 Liters | 7.6 Liters |
| 0 | 1 Spd P80 | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd P8L | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd S80 | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd S8L | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
2024 GMC Hummer Lubricating Fluid Capacities
The oil capacity data we have for the 2024 GMC Hummer includes the automatic transmission.
2024 GMC Hummer Automatic Transmisson Oil Capacities
The 2024 GMC Hummer automatic transmission capacity range between 3.9 quarts and 8.1 quarts as shown in the table below organized by the vehicle's transmission configuration.
| Engine | Automatic Transmission Type | Automatic Transmission Initial Fill (Imp.) | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Initial Fill (Metric) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|---|---|
| 0 | 1 Spd P79 | 6.3 Quarts | 8.1 Quarts | 6 Liters | 7.7 Liters |
| 0 | 1 Spd P79 | 6.3 Quarts | 8 Quarts | 6 Liters | 7.6 Liters |
| 0 | 1 Spd P80 | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd P8L | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd S80 | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
| 0 | 1 Spd S8L | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
2023 GMC Hummer Lubricating Fluid Capacities
The oil capacity data we have for the 2023 GMC Hummer includes the automatic transmission.
2023 GMC Hummer Automatic Transmisson Oil Capacities
The 2023 GMC Hummer automatic transmission capacity is either 3.9 quarts or 8.1 quarts as shown in the table below organized by the vehicle's transmission configuration.
| Engine | Automatic Transmission Type | Automatic Transmission Initial Fill (Imp.) | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Initial Fill (Metric) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|---|---|
| 0 | 1 Spd P79 | 6.3 Quarts | 8.1 Quarts | 6 Liters | 7.7 Liters |
| 0 | 1 Spd S8L | 2.6 Quarts | 3.9 Quarts | 2.5 Liters | 3.7 Liters |
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AutoPadre.com does not guarantee the accuracy of the above information is accurate. Please consult the owner's manual to confirm.
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