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Vehicle Specification Lookup Tool🔍
GMC Sierra 3500 Oil Capacity (2023-2026)
The GMC Sierra 3500 engine oil capacity is between 8.0 quarts (7.6 liters) and 10.0 quarts (9.5 liters) as specified in our data below, organized by trim, option package, and model year.
For example:
- the 2026 GMC Sierra 3500, with the 7.6L L8T 7 8 Cyl. engine, has an engine oil capacity of 8.0 quarts (7.6 liters).
- the 2026 GMC Sierra 3500, with the 9.5L L5P Y Diesel Turbo 8 Cyl. engine, has an engine oil capacity of 10.0 quarts (9.5 liters).
- the 2026 GMC Sierra 3500, with the 7.6L L8T O Flex 8 Cyl. engine, has an engine oil capacity of 8.0 quarts (7.6 liters).
Check out the Oil Capacity specifications for other makes and models.
2026 GMC Sierra 3500 Lubricating Fluid Capacities
The oil capacity data we have for the 2026 GMC Sierra 3500 includes the engine oil, the automatic transmission, the front differential, the rear differential, and the transfer case.
2026 GMC Sierra 3500 Engine Oil Capacities
The 2026 GMC Sierra 3500 engine oil capacities is either 10.0 quarts or 8.0 quarts as shown in the table below organized by engine types.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 6.6L | 8 Cyl. | L5P Y Diesel Turbo | 10.0 Quarts | 9.5 Liters | 15W-40, 5W-40 |
| 6.6L | 8 Cyl. | L8T 7 | 8.0 Quarts | 7.6 Liters | 0W-30, 5W-30 |
| 6.6L | 8 Cyl. | L8T O Flex | 8.0 Quarts | 7.6 Liters | 0W-30, 5W-30 |
2026 GMC Sierra 3500 Automatic Transmisson Oil Capacities
The 2026 GMC Sierra 3500 automatic transmission capacity is either 20.6 quarts or 22.1 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) |
|---|---|---|---|---|---|
| 6.6L | 8 Cyl. | L5P Y Diesel Turbo | 10 Spd Trans Only 10L1000 | 14.4 Quarts | 20.6 Quarts | 13.6 Liters | 19.5 Liters |
| 6.6L | 8 Cyl. | L8T O Flex | 10 Spd With Cooler 10L1000 | 14.4 Quarts | 22.1 Quarts | 13.6 Liters | 20.9 Liters |
2026 GMC Sierra 3500 Front Differential Oil Capacities
The 2026 GMC Sierra 3500 has a front differential oil capacity of 3.8 pints.
| Front Differential Type | Front Differential Total Fill (Imp.) | Front Differential Total Fill (Metric) |
|---|---|---|
| 9.25 RG | 3.8 Pints | 1.8 Liters |
2026 GMC Sierra 3500 Rear Differential Oil Capacities
The 2026 GMC Sierra 3500 has a rear differential oil capacity of 6.3 pints.
| Differential Type | Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|---|
| Rear | 6.3 Pints | 3 Liters |
2026 GMC Sierra 3500 Transfer Case Oil Capacities
The 2026 GMC Sierra 3500 has a transfer case oil capacity of 4.9 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| MP1625, 26 | 4.9 Pints | 2.3 Liters |
| MP3023, 24 | 4.9 Pints | 2.3 Liters |
2025 GMC Sierra 3500 Lubricating Fluid Capacities
The oil capacity data we have for the 2025 GMC Sierra 3500 includes the engine oil, the automatic transmission, and the transfer case.
2025 GMC Sierra 3500 Engine Oil Capacities
The 2025 GMC Sierra 3500 engine oil capacities is either 10.0 quarts or 8.0 quarts as shown in the table below organized by engine types.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 6.6L | 8 Cyl. | L5P Y Diesel Turbo | 10.0 Quarts | 9.5 Liters | 15W-40, 5W-40 |
| 6.6L | 8 Cyl. | L8T 1 Flex | 8.0 Quarts | 7.6 Liters | 0W-30, 5W-30 |
| 6.6L | 8 Cyl. | L8T 7 | 8.0 Quarts | 7.6 Liters | 0W-30, 5W-30 |
2025 GMC Sierra 3500 Automatic Transmisson Oil Capacities
The 2025 GMC Sierra 3500 automatic transmission capacity is either 20.6 quarts or 22.1 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) |
|---|---|---|---|---|---|
| 6.6L | 8 Cyl. | L5P Y Diesel Turbo | 10 Spd Trans Only 10L1000 | 14.4 Quarts | 20.6 Quarts | 13.6 Liters | 19.5 Liters |
| 6.6L | 8 Cyl. | L8T 7 | 10 Spd With Cooler 10L1000 | 14.4 Quarts | 22.1 Quarts | 13.6 Liters | 20.9 Liters |
2025 GMC Sierra 3500 Transfer Case Oil Capacities
The 2025 GMC Sierra 3500 has a transfer case oil capacity of 4.9 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| MP1625, 26 | 4.9 Pints | 2.3 Liters |
| MP3023, 24 | 4.9 Pints | 2.3 Liters |
2024 GMC Sierra 3500 Lubricating Fluid Capacities
The oil capacity data we have for the 2024 GMC Sierra 3500 includes the engine oil, the automatic transmission, and the transfer case.
2024 GMC Sierra 3500 Engine Oil Capacities
The 2024 GMC Sierra 3500 engine oil capacities is either 10.0 quarts or 8.0 quarts as shown in the table below organized by engine types.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 6.6L | 8 Cyl. | L5P Y Diesel Turbo | 10.0 Quarts | 9.5 Liters | 15W-40, 5W-40 |
| 6.6L | 8 Cyl. | L8T 7 | 8.0 Quarts | 7.6 Liters | 5W-30 |
| 6.6L | 8 Cyl. | L8T O Flex | 8.0 Quarts | 7.6 Liters | 5W-30 |
2024 GMC Sierra 3500 Automatic Transmisson Oil Capacities
The 2024 GMC Sierra 3500 automatic transmission capacity is either 20.6 quarts or 22.1 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) |
|---|---|---|---|---|---|
| 6.6L | 8 Cyl. | L8T O Flex | 10 Spd With Cooler 10L1000 | 14.4 Quarts | 22.1 Quarts | 13.6 Liters | 20.9 Liters |
| 6.6L | 8 Cyl. | L8T 7 | 10 Spd Trans Only 10L1000 | 14.4 Quarts | 20.6 Quarts | 13.6 Liters | 19.5 Liters |
2024 GMC Sierra 3500 Transfer Case Oil Capacities
The 2024 GMC Sierra 3500 has a transfer case oil capacity of 4.9 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| MP1625, 26 | 4.9 Pints | 2.3 Liters |
| MP3023, 24 | 4.9 Pints | 2.3 Liters |
2023 GMC Sierra 3500 Lubricating Fluid Capacities
The oil capacity data we have for the 2023 GMC Sierra 3500 includes the engine oil, the automatic transmission, and the transfer case.
2023 GMC Sierra 3500 Engine Oil Capacities
The 2023 GMC Sierra 3500 engine oil capacities is either 10.0 quarts or 8.0 quarts as shown in the table below organized by engine types.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 6.6L | 8 Cyl. | L5P Y Diesel Turbo | 10.0 Quarts | 9.5 Liters | 15W-40, 5W-40 |
| 6.6L | 8 Cyl. | L8T 7 | 8.0 Quarts | 7.6 Liters | 0W-30, 5W-30 |
| 6.6L | 8 Cyl. | L8T O Flex | 8.0 Quarts | 7.6 Liters | 0W-30, 5W-30 |
2023 GMC Sierra 3500 Automatic Transmisson Oil Capacities
The 2023 GMC Sierra 3500 automatic transmission capacity is either 12.4 quarts or 22.1 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) |
|---|---|---|---|---|---|
| 6.6L | 8 Cyl. | L5P Y Diesel Turbo | 10 Spd With Cooler 10L1000 | 14.4 Quarts | 22.1 Quarts | 13.6 Liters | 20.9 Liters |
| 6.6L | 8 Cyl. | L8T O Flex | 6 Spd With HD Cool 6L90 | 6 Quarts | 12.4 Quarts | 5.7 Liters | 11.7 Liters |
2023 GMC Sierra 3500 Transfer Case Oil Capacities
The 2023 GMC Sierra 3500 has a transfer case oil capacity of 4.9 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| MP1625, 26 | 4.9 Pints | 2.3 Liters |
| MP3023, 24 | 4.9 Pints | 2.3 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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