2008 Cadillac XLR Oil Type & Capacity
The 2008 Cadillac XLR takes 5W-30 motor oil — 8.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 8.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base | API - SAE 5W-30 | 8.00 QTS. | — | Use synthetic oil that meets GM Standard GM4718M. DO NOT use other viscosity oils such as SAE 20W-50. |
| V | API - SAE 5W-30 | 8.00 QTS. | — | Use synthetic oil that meets GM Standard GM4718M. DO NOT use other viscosity oils such as SAE 20W-50. |
Buy the right oil
Buy 5W-30 motor oil on Amazon2008 Cadillac XLR oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your XLR
2008 Cadillac XLR factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
12.6 quarts (11.92 L) — 50/50 mixture of DEX-COOL and clean drinkable water. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Frequently asked questions
What type of oil does a 2008 Cadillac XLR take?
The 2008 Cadillac XLR takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
How much oil does a 2008 Cadillac XLR take?
The 2008 Cadillac XLR holds 8.0 quarts with a filter change.
Can I use synthetic oil in my 2008 Cadillac XLR?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2008 Cadillac XLR. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.