Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1987 Subaru RxOil Type & Capacity
OEM spec from the factory service manual for the 2D Coupe variant.
Quick Answer
Oil Type
$API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)
Capacity (w/ Filter)
4.20 QTS.
3.97 L
Variant
2D Coupe
This vehicle's factory manual
1987 Subaru Rx: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Sister site: See this spec on WhatTypeOfOil.com β our quick oil type & capacity lookup for every vehicle.
Other specs:All specs
What You'll Need
Engine Oil
$API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F) for Subaru Rx
Search Amazon β
Oil Filter
Subaru Rx Oil Filter
Search Amazon β
Tool
Oil Filter Wrench
Search Amazon β
Kit
Funnel + Drain Pan Kit
Search Amazon β
Related for Your 1987 Subaru Rx
Frequently Asked Questions
- What type of oil does a 1987 Subaru Rx take?
- The 1987 Subaru Rx requires API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F). The exact spec may vary slightly by engine variant β this page shows the OEM recommendation for the 2D Coupe configuration.
- How much oil does a 1987 Subaru Rx need?
- The 1987 Subaru Rx takes 4.20 QTS. (3.97 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 1987 Subaru Rx?
- Yes β synthetic oil that meets the API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F) specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 1987 Subaru Rx?
- Using oil that does not meet the API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F) specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.
