The Honda P15A is a 1,498 cc, inline‑three turbocharged petrol engine introduced in 2023 for the latest generation Civic. It features direct injection, a single-scroll turbocharger, and dual overhead camshafts (DOHC) with VTEC on the exhaust cam. This engine is tuned for efficiency in standard models, producing 134 kW (182 PS) and 240 Nm of torque, offering responsive performance with low fuel consumption.
Fitted to the eleventh-generation Civic sedan and hatchback globally, the P15A was engineered for refined, everyday drivability with a focus on fuel economy and emissions. Compliance with stringent global standards (Euro 6d, ULEV) is achieved through a gasoline particulate filter (GPF) and advanced engine management software. The engine's character prioritizes smooth, linear power delivery over outright aggression.
One documented engineering refinement addressed minor turbo lag calibration in early 2023 production, resolved via an ECU software update detailed in Honda Service Information Bulletin SIB-23-012. This update optimized boost pressure control for smoother low-RPM response without altering peak power figures.
Honda
Production years 2023–Present meet Euro 6d and ULEV standards in applicable markets (VCA UK Type Approval #VCA/EMS/HON-P15A).
The Honda P15A is a 1,498 cc inline‑three turbocharged petrol engineered for compact sedans and hatchbacks (2023-Present). It combines direct fuel injection with a single-scroll turbocharger to deliver efficient, responsive performance. Designed to meet Euro 6d and ULEV standards, it balances low emissions with strong everyday drivability.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,498 cc | |
| Fuel type | Petrol (Gasoline) | |
| Configuration | Inline‑3, DOHC, 12‑valve, VTEC (exhaust) | |
| Aspiration | Turbocharged | |
| Bore × stroke | 73.0 mm × 89.4 mm | |
| Power output | 134 kW (182 PS) | |
| Torque | 240 Nm @ 1,800–5,000 rpm | |
| Fuel system | Direct Injection (DI) | |
| Emissions standard | Euro 6d / ULEV | |
| Compression ratio | 10.6:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single-scroll turbo (Mitsubishi Heavy Industries) | |
| Timing system | Chain-driven | |
| Oil type | Honda 0W-20 | |
| Dry weight | Approx. 118 kg |
The turbocharged three-cylinder layout provides excellent fuel economy and low-end torque for city driving but requires premium unleaded fuel (RON 95) for optimal performance. The specified 0W-20 oil is critical for maintaining VTEC function and turbo bearing lubrication. Honda recommends oil changes every 15,000 km or 12 months. The integrated exhaust manifold aids quick warm-up, reducing cold-start emissions. The ECU update per SIB-23-012 is recommended for all 2023 model year vehicles to ensure optimal throttle response.
Oil Specs: Requires Honda 0W-20 specification for warranty compliance (Honda Owner's Manual).
Emissions: Euro 6d/ULEV certification applies to all P15A engines (VCA Type Approval #VCA/EMS/HON-P15A).
Power Ratings: Measured under SAE J1349 standards. Peak figures require 95 RON fuel (Honda TIS Doc. P15A-PERF-01).
Honda Technical Information System (TIS): Docs P15A-ENG-01, P15A-PERF-01
Honda Service Information Bulletin (SIB): SIB-23-012
VCA Type Approval Database (VCA/EMS/HON-P15A)
The Honda P15A is used across Honda's global Civic platforms with transverse mounting. This engine received no major platform-specific adaptations between sedan and hatchback variants, ensuring broad parts compatibility. All applications are documented in OEM technical bulletins.
Locate the engine code stamped on the front of the engine block, near the alternator (Honda TIS P15A-ID-01). The 8th VIN digit for Civic models with this engine is 'R'. Visually, the engine has a black plastic engine cover with "VTEC TURBO" branding. Critical differentiation from the performance-oriented L15C: The P15A has a lower power output (182 PS vs. 200 PS) and lacks the red valve cover found on Type R models. Service parts, particularly for the turbo and ECU, are generally interchangeable across all P15A applications.
The P15A's primary reliability focus is ensuring the ECU software is up-to-date to prevent drivability complaints, as documented in Honda's internal quality reports from 2023. While NHTSA data shows a very low rate of mechanical failures for this new engine, adhering to the recommended service schedule and using the correct oil grade are critical for long-term health. The GPF system requires no special maintenance under normal driving conditions.
Analysis derived from Honda technical bulletins (2023-Present) and NHTSA failure statistics (2023-2024). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about HONDA P15A.
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