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Repasi Motorwerks
Porsche vehicles on lifts at Repasi Motorwerks during oil change service

Factory-Spec Porsche Oil Service

Porsche Oil Change Service in Stratford, CT

A Porsche oil change is not a commodity service. Between dry-sump systems, factory oil specifications, and model-specific capacities, getting it right requires specialist knowledge and the correct products. We use Mobil 1 oils matched to Porsche's A40 and C30 specifications with OEM filters on every service.

Why This Matters on a Porsche

Porsche engines require oil that meets strict factory certifications — not just a viscosity match. A40 specification (0W-40) is required for most water-cooled models, while C30 specification (5W-40) is used on newer direct-injection engines with particulate filters. Using the wrong spec can damage catalytic converters, increase oil consumption, and void warranty coverage. We also understand dry-sump systems on 911 models, which hold 8.5-9+ quarts and require specific fill procedures to avoid false oil level readings.

Model-Specific Details

911 (997-992)

Dry-sump, A40 spec (0W-40), 8.5-9+ quarts. Oil change interval: 10,000 miles or 1 year.

911 GT3/GT3 RS

A40 spec, higher capacity. Track use shortens intervals to 5,000 miles or end-of-season.

Cayenne (2003+)

A40 spec, 8.5-9.5 quarts. V8 models: check for valve cover gasket leaks at every service.

Macan

C30 spec (5W-40) on 2019+ 4-cylinder. A40 on V6 models. 6.5-7 quarts.

Boxster/Cayman

A40 spec (0W-40), 7-8 quarts. Mid-engine access requires lift — not a driveway job.

Panamera

A40 or C30 depending on engine. V8 Turbo models: 9.5+ quarts. Check turbo oil lines.

Air-Cooled (964/993)

10W-60 or 15W-50 depending on climate. 11.5 quarts with filter. Check oil temp gauge operation.

Porsche Oil Specifications

A40 Specification

Mobil 1 0W-40. Required for most water-cooled Porsche engines including 911, Boxster, Cayman, Cayenne V6/V8, and Panamera. The standard Porsche factory fill.

C30 Specification

Mobil 1 5W-40. Required for newer direct-injection engines with gasoline particulate filters. Macan 4-cylinder (2019+) and select Cayenne/Panamera models.

10W-60 Track Spec

High-temperature formulation for air-cooled engines and track-driven GT cars. Maintains viscosity under extreme thermal load where thinner oils would break down.

What's Included

  • Full synthetic oil changes to Porsche A40 or C30 specification
  • OEM Porsche oil filters (Mahle)
  • Dry-sump system service (911 models)
  • Oil service indicator reset via PIWIS III
  • Multi-point visual inspection included
  • Fluid level checks (coolant, brake fluid, power steering)
  • Under-car inspection for leaks and wear items
  • Torque-spec drain plug with new crush washer

Our Equipment

Mobil 1 Factory Oils

We stock Mobil 1 0W-40 (A40 spec) and 5W-40 (C30 spec) — the same oils Porsche fills at the factory. For track and GT cars, we carry Mobil 1 10W-60 for high-temperature applications.

PIWIS III Diagnostics

Every oil service includes a PIWIS III reset of the service indicator and a quick diagnostic scan for stored fault codes — catching issues early before they become expensive.

OEM Filtration

We use genuine Porsche (Mahle) oil filters exclusively. Aftermarket filters may not meet Porsche's flow and filtration specifications, especially on dry-sump systems.

Dealer vs. Independent

A Porsche dealer charges $450-$650+ for an oil change depending on your model. We provide the same Mobil 1 factory oils, OEM Mahle filters, and PIWIS diagnostic reset for 30-50% less. The difference: you're working directly with a Gold Meister technician who inspects your car — not a service advisor coordinating between departments.

Comprehensive Inspection

Every oil change at Repasi Motorwerks includes a multi-point visual inspection. We check underneath for leaks, inspect brake pad thickness, check tire condition and pressure, and review fluid levels. We photograph any concerns and walk you through what we find — no surprise phone calls with a list of recommended services.

Why Choose Repasi Motorwerks

  • Gold Meister certified Porsche technician
  • Correct A40/C30 oil specification — every time
  • OEM Mahle filters — no aftermarket substitutions
  • PIWIS III diagnostic scan included with every service
  • 30-50% less than Porsche dealer pricing
  • Same-day service available

Frequently Asked Questions

What oil does a Porsche 911 require?
Most water-cooled 911s (996-992) require Mobil 1 0W-40 meeting Porsche's A40 specification. Newer models with gasoline particulate filters use C30 spec (5W-40). Air-cooled 911s use 10W-60 or 15W-50. We match the correct specification to your model and year.
How much does a Porsche oil change cost?
At Repasi Motorwerks, a Porsche oil change ranges from $250-$400 depending on the model and oil capacity. This includes Mobil 1 factory-spec oil, OEM Mahle filter, PIWIS diagnostic reset, and a multi-point inspection. Porsche dealers typically charge $450-$650+ for the same service.
How often should I change the oil in my Porsche?
Porsche recommends oil changes every 10,000 miles or 12 months, whichever comes first. For track-driven cars, we recommend 5,000-mile intervals or end-of-season changes. Air-cooled models benefit from 3,000-5,000 mile intervals due to higher operating temperatures.
Can I use any synthetic oil in my Porsche?
No. Porsche requires oils that meet specific factory certifications (A40 or C30), not just a viscosity grade. A 0W-40 oil that doesn't carry the A40 certification may not provide adequate protection. We only use Mobil 1 oils that carry the correct Porsche certification.
Why does a Porsche oil change cost more than a regular car?
Porsche engines hold 8-10+ quarts of certified synthetic oil (vs. 4-5 quarts for most cars), require OEM-spec filters, and need specialized reset procedures via PIWIS diagnostics. The oil itself must meet Porsche's A40 or C30 certification — not just any synthetic.

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