R-series

R20A3

R20A3 SOHC i-VTEC

Displacement

2.0L (1997 cc)

Configuration

Inline-4

Power

157 PS (115 kW; 155 hp) @ 6300 rpm

Torque

188 Nm (139 lb-ft) @ 4300 rpm

Compression

10.5:1

Bore × Stroke

81.0 mm x 96.9 mm

Valvetrain

SOHC i-VTEC

Aspiration

Naturally aspirated

Fuel System

PGM-FI

OBD

OBD2

Years

2008-2020

Factory Fitment

Honda Accord CP1, Honda Accord CU1/CN1/CW1, Proton Perdana CP3; Accord (CW1, 2008-2015); Accord (CU1, 2008-2015)

Notes

2.0L base engine for the eighth-generation Euro/JDM Accord; also supplied to Proton for the Perdana.

Swaps using the R20A3

Guides mentioning the R20A3

Difficult 1-2 days

Civic Type R 5-Lug Brake and Suspension Conversion for the 1996-2000 Civic (EK)

Easy 15-30 minutes

Honda PGM-FI Fault Code Reading and ECU Reset (OBD0/OBD1/OBD2)

Expert 6-10 hours (excluding paint and parts lead time)

Honda Fit (GE8) JDM 11-Pin Folding, Heated Door Mirror Retrofit

Difficult 6-10 hours

Honda Prelude (4th Gen) Projector Headlight Retrofit

Difficult 4-6 hours

Honda Fit (GE8) LED Taillight and Rear Fog Light Retrofit

Difficult 3-4 hours

Honda Fit (GE8) HomeLink and Ambient Light Retrofit Using an Acura TSX Overhead Console

Moderate 4-6 hours (plus sealant cure time)

DIY Amber City Lights in Honda Headlight Housings

Difficult 3-5 hours

Diagnosing Dead ECT, CMP and Wideband O2 Signals After a K-Series Conversion Harness Swap