What are the most common Porsche 718 Boxster problems?
According to Au7o's analysis of 4,100+ owner reports, the 2025 Porsche 718 Boxster has 7 documented issues. The most frequently reported are: Gasoline Particulate Filter (GPF/OPF) Clogging and Premature Failure, Water Pump Bearing and Impeller Failure (Flat-Four 2.0/2.5), Oil Leaks from Rear Main Seal, Valve Cover and Spark Plug Tube Seals. Of these, 1 is rated critical and should be addressed promptly.
Is the Porsche 718 Boxster reliable?
The 2025 Porsche 718 Boxster has 7 known issues documented across 4,100+ owner reports. 1 issue is rated critical: Gasoline Particulate Filter (GPF/OPF) Clogging and Premature Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Porsche 718 Boxster problems?
Repair costs for known Porsche 718 Boxster issues range from $0 to $7,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Gasoline Particulate Filter (GPF/OPF) Clogging and Premature Failure, typically costs $2,500-$7,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2018-2025 Porsche 718 Boxster Gasoline Particulate Filter (GPF/OPF) Clogging and Premature Failure?
EU-spec (and later global) 718 four-cylinder cars fitted with a gasoline particulate filter (German: Ottopartikelfilter/OPF) have suffered premature clogging and outright filter failure. Owners report engine-management warning lights, restricted performance/limp mode, and increas… Repairs typically run $2,500-$7,500. Severity: high.
What is the 2017-2025 Porsche 718 Boxster Water Pump Bearing and Impeller Failure (Flat-Four 2.0/2.5)?
The engine-driven coolant pump on the turbocharged flat-four 718 (shared design lineage with the 991.2 911) is a known weak point. The pump's bearing wears prematurely and the plastic impeller can degrade or shed, leading to coolant leaks, whining/knocking noise from the pump, an… Repairs typically run $700-$1,800. Severity: medium.
What is the 2017-2025 Porsche 718 Boxster Oil Leaks from Rear Main Seal, Valve Cover and Spark Plug Tube Seals?
As the 718 ages and heat-cycles, multiple engine seals tend to weep oil. Common leak points are the rear main seal (RMS, between engine and transmission), the valve cover gaskets, and the spark plug tube seals. Symptoms include an oily film/drips under the car, oil residue on the… Repairs typically run $300-$2,500. Severity: medium.
What is the 2017-2025 Porsche 718 Boxster Air-Oil Separator (AOS) Failure Causing Oil Ingestion and Smoke?
The air-oil separator (crankcase breather/oil separator) on the turbocharged flat-four 718 can fail, causing excessive crankcase vacuum that draws engine oil into the intake. Owners report white/blue smoke (especially at startup or under acceleration), an oil smell, fouled spark… Repairs typically run $400-$1,200. Severity: medium.
What is the 2017-2025 Porsche 718 Boxster Turbo Wastegate Rattle at Idle?
The 718 Boxster turbo flat-four engines exhibit an annoying wastegate rattle at idle and low RPM. The wastegate actuator arm has slight play that creates a metallic tapping or buzzing sound. While not mechanically harmful, it is a widespread complaint and detracts from the owners… Severity: low.
What is the 2017-2025 Porsche 718 Boxster Convertible Top Alignment and Seal Issues?
The 718 Boxster convertible top can develop alignment issues causing wind noise at highway speeds and water leaks during rain or car washes. The top latching mechanism can also become misaligned, preventing proper sealing. Some owners report the top motor slowing down in cold wea… Repairs typically run $200-$1,500. Severity: low.
What is the 2017-2025 Porsche 718 Boxster PCM Apple CarPlay / Touchscreen Freeze and Connection Dropouts?
The PCM infotainment system in the 718 frequently mishandles Apple CarPlay and at times the touchscreen itself. Owners report the touchscreen becoming unresponsive after a few minutes (audio/maps keep playing but touch input is dead), CarPlay refusing to connect or taking several… Repairs typically run $0-$300. Severity: low.
