Oil Type and Capacity: 2000-2011 LD8 and L37 4.6 (Transverse)
| Crankcase Oil With Filter (5w30) | 7.5 Quarts | 7.1 Liters |
| Cooling System | 10.7 Quarts | 10.1 Liters |
| Fuel Tank Capacity - E/K Body | 20.0 US Gallons | 75.7 Liters |
Oil Type and Capacity: 2004-2010 4.6L LH2 (STS/XLR/SRX)
| Crankcase Oil With Filter (5w30) | 8.0 Quarts | 7.6 Liters |
| Cooling System - SRX & SRX | 12.5 Quarts | 11.8 Liters |
| Cooling System - XLR | 12.6 Quarts | 12.0 Liters |
| Fuel Tank Capacity - SRX | 20.0 US Gallons | 75.7 Liters |
| Fuel Tank Capacity - STS | 17.5 US Gallons | 66.2 Liters |
| Fuel Tank Capacity - STS | 18.0 US Gallons | 68.0 Liters |
Oil Type and Capacity: 2006-2009 4.4L LC3 Supercharged
| Oil With Filter (SAE 5W30) XLR-V | 8.0 Quarts | 7.6 Liters |
| Oil With Filter (SAE 5W30) STS-V | 9.0 Quarts | 8.5 Liters |
| Transmission Fluid Capacity: XLR-V | 10.91 Quarts | 10.32 Liters |
| Transmission Fluid Capacity: STS-V | 10.58 Quarts | 10.01 Liters |
| Cooling System: XLR-V | 12.6 Quarts | 12.0 Liters |
| Cooling System: STS-V | 13.4 Quarts | 12.7 Liters |
| Intercooler System: XLR-V | 2.4 Quarts | 2.3 Liters |
| Intercooler System: STS-V | 2.6 Quarts | 2.5 Liters |
| Fuel Tank Capacity: XLR-V | 18.0 US Gallons | 68.0 Liters |
