2005 Porsche Boxster Oil Type & Capacity
The 2005 Porsche Boxster takes 0W-40 motor oil — 8.2 quarts with a filter change, per the factory service manual.
Factory-spec answer
0W-40 — 8.2 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic | MOBIL1 SAE 0W-40 (for all temperature ranges), SAE 5W-40 or SAE 5W-50 (for temperature ranges over -13Deg.f (-25Deg.C). | 8.20 QTS. | 7.93 QTS. | Manufacturer's approved fluid only. |
| Base, Standard | MOBIL1 SAE 0W-40 (for all temperature ranges), SAE 5W-40 or SAE 5W-50 (for temperature ranges over -13Deg.f (-25Deg.C). | 8.20 QTS. | 7.93 QTS. | Manufacturer's approved fluid only. |
| S, Automatic | MOBIL1 SAE 0W-40 (for all temperature ranges), SAE 5W-40 or SAE 5W-50 (for temperature ranges over -13Deg.f (-25Deg.C). | 8.20 QTS. | 7.93 QTS. | Manufacturer's approved fluid only. |
| S, Standard | MOBIL1 SAE 0W-40 (for all temperature ranges), SAE 5W-40 or SAE 5W-50 (for temperature ranges over -13Deg.f (-25Deg.C). | 8.20 QTS. | 7.93 QTS. | Manufacturer's approved fluid only. |
Buy the right oil
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More specs & repair guides for your Boxster
2005 Porsche Boxster factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
6.37 quarts (24.11 L). Manufacturer's approved fluid only.
Frequently asked questions
What type of oil does a 2005 Porsche Boxster take?
The 2005 Porsche Boxster takes 0W-40 motor oil (MOBIL1 SAE 0W-40 (for all temperature ranges), SAE 5W-40 or SAE 5W-50 (for temperature ranges over -13Deg.f (-25Deg.C).), per the factory service manual.
How much oil does a 2005 Porsche Boxster take?
The 2005 Porsche Boxster holds 8.2 quarts with a filter change, or 7.93 quarts without changing the filter.
Can I use synthetic oil in my 2005 Porsche Boxster?
Yes. 0W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Porsche Boxster. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.