Back to search

2019 PORSCHE 718 BOXSTER S

2.5L Turbo H4•RWD•DCT•gas•MA2.25•turbo
Be the first sponsor for this vehicle

For $99, we generate the full set of step-by-step repair procedures for this exact vehicle. Free for everyone, forever, with your name on every one.

Sponsor — $99
Dead battery / stuck in Park? Emergency neutral procedure for this 718 Boxster S →
5-Year Cost of Ownership
$23,453 maintenance + known platform issues
~$4,691/yr · 390¢/mile equivalent · $7,339 maintenance + $13,514 expected platform issues
Common Problems & Known Issues

The 2019 718 Boxster S with the 2.5L turbo flat-four is generally solid, but the turbo four-cylinder suffers from catastrophic cylinder liner failure ('bore scoring') that can destroy engines with little warning—a carryover problem from earlier turbo 718 engines that Porsche partially addressed but never fully eliminated in early production years.

Cylinder Liner/Bore Scoring (Engine Destruction)

Occasional · high severity
Typical onset: 30,000-70,000 mi
Symptoms: Metallic rattling on cold starts that disappears when warm, Excessive oil consumption (1+ quart per 1,000 miles), White or blue smoke from exhaust, Loss of compression leading to misfires and eventual catastrophic failure
Fix: Complete engine rebuild or short block replacement required. Cylinders are machined directly into aluminum case—no removable sleeves—so damaged block is scrap. Porsche extended warranty coverage for some cases, but 2019s are aging out. Job takes 25-35 hours including removal, teardown, reassembly with new pistons, rings, bearings, gaskets, and reinstallation.
Estimated cost: $18,000-28,000

Dual-Clutch Transmission (PDK) Oil Cooler Leaks

Common · medium severity
Typical onset: 40,000-80,000 mi
Symptoms: Transmission fluid spots under vehicle center, Low fluid warning on dashboard, Harsh or delayed shifts when fluid level drops, Burning smell from transmission tunnel
Fix: Oil cooler develops leaks at seals or develops internal cracks. Requires transmission drop or partial drop depending on access—typically 6-9 hours. Cooler assembly isn't cheap from Porsche. Critical to catch early before fluid loss damages clutch packs.
Estimated cost: $2,500-4,200

Transmission Mount Failure

Common · low severity
Typical onset: 50,000-90,000 mi
Symptoms: Clunking when shifting or accelerating hard, Excessive driveline vibration at idle in gear, Visible tearing or separation of rubber mount, Gear lever feeling loose or notchy
Fix: Rear transmission mount deteriorates from heat and stress. Mid-engine layout means transmission sits in hot area. Replacement requires supporting transmission and removing mount hardware—about 2-3 hours. OEM mounts last longer than aftermarket.
Estimated cost: $600-1,100

Turbocharger Wastegate Rattle/Failure

Occasional · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Rattling sound from engine bay at idle (sounds like marbles), Loss of boost pressure and reduced power, Check engine light with wastegate position codes, Turbo whistle changes pitch or becomes louder
Fix: Wastegate actuator rods wear or internal wastegate flaps develop play. Sometimes just actuator replacement (4-6 hours), but often requires turbocharger removal and rebuild or replacement. Engine-out access makes this labor-intensive on flat engines.
Estimated cost: $2,800-5,500

Water Pump Failure (Early Failure Pattern)

Occasional · high severity
Typical onset: 35,000-65,000 mi
Symptoms: Coolant leak from rear of engine (passenger side), Overheating warnings, Whining or grinding noise from water pump area, Coolant level dropping without visible external leaks
Fix: Electric water pump fails prematurely—bearing seizure or impeller separation. Requires significant teardown to access on flat-four. About 8-12 hours depending on shop familiarity. Cannot drive with failed pump—immediate tow required.
Estimated cost: $2,200-3,800

Fuel Filter Clogging and Fuel System Issues

Rare · medium severity
Symptoms: Hard starting or extended cranking, Loss of power under acceleration or at high RPM, Rough idle and hesitation, Check engine light with fuel trim or pressure codes
Fix: Fuel filter isn't serviceable on a regular schedule per Porsche, but can clog from bad fuel or tank contamination. Filter is integral to fuel pump assembly in tank—requires tank drop and pump module replacement. 4-6 hours labor plus expensive pump assembly.
Estimated cost: $1,800-2,800
Owner tips
  • Check engine oil level religiously—turbo flat-fours consume oil, and low oil accelerates bore scoring. Check every other fill-up.
  • Use only Porsche-approved 0W-40 full synthetic oil and do 5,000-mile intervals maximum—oil quality is critical for cylinder liner survival.
  • Inspect transmission fluid level and condition at every service—early detection of cooler leaks saves transmissions.
  • If buying used, request leak-down and compression test—cylinder damage shows up before catastrophic failure.
  • Keep comprehensive service records to support any potential warranty claims on cylinder liner issues—Porsche has selectively covered some cases.
Buy only with pre-purchase inspection including compression test and clear service history—the bore scoring lottery makes early turbo 718s a calculated risk, but wonderful cars if you get a good one or can secure extended coverage.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
491 jobs across 17 categories
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.
Stuck on a repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included. Built by the same team.
Try ShopBase →