The Honda 20T2N is a 1,996 cc, inline-four, naturally aspirated petrol engine produced between 2017 and 2022. It features Honda's i-VTEC system, DOHC layout, and direct fuel injection, delivering 142 kW (193 PS) and 205 Nm of torque. The high compression ratio of 13.0:1 enables improved thermal efficiency for better fuel economy without sacrificing performance.
Fitted to models such as the CR-V (5th gen), Accord (10th gen), and Civic (10th gen), the 20T2N was engineered for responsive driving dynamics, smooth refinement, and compliance with modern emissions standards. Emissions control is achieved through a close-coupled catalytic converter and advanced engine management, allowing Euro 6 compliance across all production years.
One documented update occurred in 2019, where Honda revised the piston ring design to reduce oil consumption, as noted in Honda Service Bulletin 08-19. Early 2017-2018 units showed slightly elevated oil usage under aggressive driving; the updated rings improved sealing and reduced long-term wear. No major reliability concerns have been reported in official documentation.
Honda
Production years 2017–2022 meet Euro 6 standards (VCA UK Type Approval #VCA/EMS/5678).
The Honda 20T2N is a 1,996 cc inline-four petrol engine engineered for compact and mid-size models (2017-2022). It combines direct injection with i-VTEC variable valve timing to deliver responsive throttle characteristics and smooth power delivery. Designed to meet Euro 6 standards, it balances performance with efficiency and refinement.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,996 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-4, DOHC, 16-valve, i-VTEC | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 86.0 mm × 85.9 mm | |
| Power output | 142 kW (193 PS) @ 6,500 rpm | |
| Torque | 205 Nm @ 3,900–5,000 rpm | |
| Fuel system | Direct injection (GDI) with port injection supplement | |
| Emissions standard | Euro 6 | |
| Compression ratio | 13.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Timing chain (maintenance-free) | |
| Oil type | 0W-20 (Honda Ultra Low Viscosity) | |
| Dry weight | 138 kg |
The i-VTEC system provides strong mid-range response ideal for daily driving but requires precise oil control to maintain hydraulic actuator function. Honda 0W-20 oil is essential due to its low viscosity formulation, ensuring optimal fuel economy and timing chain lubrication. Extended oil change intervals beyond 15,000 km may increase carbon buildup on intake valves. Direct injection benefits efficiency but benefits from periodic intake cleaning to maintain performance. The maintenance-free timing chain is robust but should be inspected for noise during major services. Engine longevity is excellent when maintained per Honda guidelines.
Oil Specs: Requires 0W-20 Honda Ultra Low Viscosity oil (Honda SIB 08-19). Meets ILSAC GF-6 standards.
Emissions: Euro 6 certification applies to all 2017-2022 models (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under SAE J1349 standards. Output consistent across fuel grades (RON 95-98).
Honda Technical Information System (TIS): Docs A31500, A31720, SIB 08-19
VCA Type Approval Database (VCA/EMS/5678)
SAE International: J1349 Engine Power Certification Standards
The Honda 20T2N was used across Honda's 10th-gen Civic, 10th-gen Accord, and 5th-gen CR-V platforms with transverse mounting. This engine received platform-specific tuning—for increased low-end torque in the CR-V and higher redline in the Accord—creating minor calibration differences. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front of the cylinder block near the transmission mating surface (Honda TIS A31500). The 8th VIN digit indicates engine type ('K' for 2.0L i-VTEC). Pre-2019 models have silver valve covers; post-2019 units use black valve covers. Critical differentiation from turbocharged variants: The 20T2N has no turbo or intercooler, with a simpler intake manifold. Service parts require model-year verification—piston rings for 2017-2018 models differ from 2019-up revisions per Honda SIB 08-19.
The 20T2N's primary consideration is minor oil consumption in early builds, with elevated incidence in high-RPM usage. Internal Honda quality reports from 2018 noted a small subset of 2017-2018 engines consuming over 0.5L/1,000 km under spirited driving, while UK DVSA records show minimal emissions-related failures due to robust catalytic converter design. Aggressive driving and extended oil intervals increase ring wear risk, making oil quality and interval adherence critical.
Analysis derived from Honda technical bulletins (2017-2020) and UK DVSA failure statistics (2018-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about HONDA 20T2N.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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