1998 Pontiac Trans Sport Oil Type & Capacity
The 1998 Pontiac Trans Sport takes 5W-30 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Montana, Van Passenger | API - SAE 5W-30 | 4.50 QTS. | — | — |
| Montana, Van Passenger Extended | API - SAE 5W-30 | 4.50 QTS. | — | — |
| SE, Van Passenger | API - SAE 5W-30 | 4.50 QTS. | — | — |
| SE, Van Passenger Extended | API - SAE 5W-30 | 4.50 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your Trans Sport
1998 Pontiac Trans Sport factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
9.6 quarts (9.08 L) — 50/50 mixture of DEX-COOL and clean water (preferably distilled)
Frequently asked questions
What type of oil does a 1998 Pontiac Trans Sport take?
The 1998 Pontiac Trans Sport takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
How much oil does a 1998 Pontiac Trans Sport take?
The 1998 Pontiac Trans Sport holds 4.5 quarts with a filter change.
Can I use synthetic oil in my 1998 Pontiac Trans Sport?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Pontiac Trans Sport. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.