Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2018 Accord Hybrid.
The 2018 Honda Accord Hybrid is a mid-size passenger car that utilizes a hybrid powertrain paired with an automatic transmission featuring variable gear ratios, achieving an EPA-rated 47 mpg across city, highway, and combined driving cycles, while its engine requires 5.0 quarts of 0W-20 API viscosity oil for maintenance. This model year represents a point of notable improvement in the Accord's reliability trajectory, as complaint volumes dropped substantially from the model's highest recorded year in 2014 with 954 complaints to just 113 total owner complaints by 2018, suggesting meaningful strides in build quality and dependability compared to earlier iterations in the model's history.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses a BCI 48 · 500 CCA battery. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic (variable gear ratios) |
| Overall length | 190.2 in |
| Overall width | 72.8 in |
| Overall height | 56.7 in |
| Wheelbase | 107.1 in |
| Curb weight | 3263 lb |
| Track (front / rear) | 62.2 / 62.2 in |
| Weight distribution (front / rear) | 61/39 |
| EPA city / highway / combined | 47 / 47 / 47 mpg |
| Drivetrain | Front-Wheel Drive |
| Passenger volume | 106 cu ft |
| Cargo volume | 17 cu ft |
| Recommended fuel | Regular Gasoline |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 5.0 qt of 0W-20 API engine oil, DOT 3 brake fluid. Torque lug nuts to 80 ft-lbs. The firing order is 1-3-4-2. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.
| Automatic Transmission Fluid | ATF |
| Automatic Transmission Fluid Capacity | 3.7 |
| Brake Fluid | DOT 3 |
| Engine Coolant | Use Honda Type 2 Antifreeze |
| Engine Coolant Capacity | 5.0 |
| Engine Oil | 0W-20 · API |
| Engine Oil Capacity | 5.0 qt |
| Power Steering Fluid | Use Honda part number 08206-9002 |
| Crankshaft Position (CKP) Sensor Bolt(s) | 9.0 ft-lbs |
| Camshaft Position (CMP) Sensor Bolt(s) | 9.0 ft-lbs |
| Crankshaft Position (CKP) Sensor Bolt(s) | 9.0 ft-lbs |
| Camshaft Position (CMP) Sensor Bolt(s) | 9.0 ft-lbs |
| Camshaft Bearing/Carrier Cap Bolts or Studs | 13.0 ft-lbs |
| Camshaft Sprocket and/or Gear Bolt(s) | 85.0 ft-lbs |
| Camshaft Sprocket and/or Gear Bolt(s) | Gear: 41.0 ft-lbs, VCT: 85.0 ft-lbs |
| Engine Coolant Temperature (ECT) Sensor Bolt(s) | 9.0 ft-lbs |
| Lug Nuts | 80 ft-lbs |
| Lug Nuts | 80 ft-lbs |
| Cylinder Firing Order | 1-3-4-2 |
| Curb Idle Speed (No Load) | 720 rpm |
| Curb Idle Speed Variance (No Load) | 50 rpm |
| Curb Idle Speed (Secondary Under Load) | 720 rpm |
| Curb Idle Speed Variance (Secondary Under Load) | 50 rpm |
| Spark Plug Manufacturer | Honda |
| Spark Plug Gap | .039 - .043 in |
| Spark Plug Torque | 16 ft-lbs |
| Oil Type | R-1234yf: Denso ND-14 |
| Oil Capacity | 7.00-7.20 oz. |
| Standard BCI Group Number | 48 |
| Standard BCI Cranking Performance | 500 cca |
| Standard BCI Group Number | 47 |
| Standard BCI Group Number | 48 |
| Fuel Pump Pressure Minimum | 57.0 |
| Fuel Pump Pressure Maximum | 59.0 |
| Fuel Pump Pressure Minimum | 73.0 |
| Fuel Pump Pressure Maximum | 80.0 |
| Fuel Pump Pressure Minimum | 57.0 psi |
| Fuel Pump Pressure Maximum | 64.0 psi |
| Regulated Fuel System Pressure (With Vacuum) | 57.0-64.0 psi |
| Fuel Pump Pressure Minimum | 73.0 |
| Brake Caliper Bolt to Carrier Torque | Front: 21; Rear: 18 |
| Brake Caliper Carrier to Hub Bolt Torque | 80 |
| Brake Caliper Bolt to Carrier Torque | Front: 21; Rear: 18 |
| Brake Caliper Carrier to Hub Bolt Torque | 80 |
| Vented Rotor Minimum Thickness for Replacement | Front: .906; Rear: .315 |
| Variation from Parallelism Thickness Variation | .0006 |
| Maximum Rotor Runout | .0016 |
| Vented Rotor Minimum Thickness for Replacement | Front: .906; Rear: .315 |
| 1 | 48.0 inch lbs. | 48 in |
| 2 | 144.0 inch lbs. | 144 in |
| 1 | 10.0 ft. lbs. | 10 ft. lbs |
| 2 | 90.0 | |
| 1 | 15.0 ft. lbs. | 15 ft. lbs |
| 2 | 90.0 | |
| 1 | 27.0 ft. lbs., Step 2: 90 degrees. When a new crankshaft or pulley bolt is installed: Step 1: Torque to 133 ft. lbs., Step 2: Remove bolt., Step 3: 29.0 ft. lbs., Step 4: 94 | 27 ft. lbs |
| 1 | 37.0 ft. lbs., Step 2: 90 degrees. When a new bolt is used: Step 1: 133 ft. lbs., Step 2: Remove and torque 37.0 ft. lbs., Step 3: 90 | 37 ft. lbs |
| 1 | 52 ft. lbs., Step 2: 90 | 52 ft. lbs |
| 1 | 37 ft. lbs., Step 2: 90 degrees. Step for New Bolts: Step 1: 133 ft. lbs., Step 2: Remove and Torque 37 ft. lbs., Step 3: 90 | 37 ft. lbs |
Prep New Bolts: Step 1: 22 ft. lbs.
| 2 | Turn 165 degrees. Old Bolts: Step 1: 22 ft. lbs. | 165 degrees |
| 2 | Turn 140 | |
Prep New Bolts: Step 1: 30 ft. lbs.
| 2 | Turn 90 degrees | 90 degrees |
| 3 | Turn 90 degrees. Old Bolts: Step 1: 30 ft. lbs. | 90 degrees |
| 2 | Turn 80 degrees | 80 degrees |
| 3 | Turn 80 | |
| 1 | All bolts 22.0 ft. lbs. | 22 ft. lbs |
| 2 | Journal bolts 1, 2, 4 and 5 | 22 degrees |
| 3 | 32.0 | |
| 1 | 22.0 ft. lbs. | 22 ft. lbs |
| 2 | 40.0 | |
Prep Bearing cap bolts:
| 1 | 22.0 ft. lbs. | 22 ft. lbs |
| 2 | 27.0 degrees; 8MM bolts: 16.0 | 27 degrees |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The 2018 Honda Accord Hybrid sits at the beginning of a steep federal-complaint climb for its generation: complaints rise from 45 in 2017 to 113 in 2018, then jump sharply to 529 in 2019, after which volumes retreat to the 38–54 range in 2020–2022. That year also shows elevated service activity versus 2017, with 4 recalls, 3 investigations, and 53 TSBs compared with 2 recalls, 1 investigation, and 21 TSBs the prior year. Reported owner complaints cluster in "Unknown or Other" (11), "Fuel System, Gasoline" (9), "Forward Collision Avoidance" (9), and "Engine" (7), with 3 crash-related and 1 fire-related complaint, though the data does not specify root causes. With 113 complaints, 2018 is below the 2019 spike of 529 and the 2023 figure of 139, but above the 2020–2022 lull and the very low 2025–2026 figures, placing it in the moderate middle of this generation's record rather than at its worst point. Consequently, a 2018 Accord Hybrid is a defensible used-buy choice within this generation, provided a pre-purchase inspection and recall completion check confirm the individual vehicle's history.
All 113 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 4 campaigns on record for this vehicle.
Honda (American Honda Motor Co.) is recalling certain 2018-2020 Accord Sedan, Accord Hybrid, and 2019-2020 Insight vehicles. A software error may cause intermittent or continuous disruptions in communication between the… Remedy: Honda will notify owners, and dealers will update the BCM software, free of charge. The recall is expected to begin February 22, 2021. Owners may contact Honda customer service at…
Honda (American Honda Motor Co.) is recalling certain 2017-2020 CR-V, 2018-2019 Accord and Accord Hybrid, 2018-2020 Odyssey, 2019 Insight, and 2019-2020 Acura RDX vehicles. A manufacturing issue with the front seat… Remedy: Dealers will replace the driver and front passenger seat belt buckle release buttons or the buckle assemblies as necessary, free of charge. Owner notification letters were mailed…
Showing 5 of 53 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| ATI&12052024903 | 2024-12-05 | Engine | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022… |
| ATI&11132024906 | 2024-11-13 | Engine | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022… |
| ATI&10302024903 | 2024-10-30 | Engine | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022… |
| ATI&10162024904 | 2024-10-16 | Engine | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022… |
| ATI&10112024901 | 2024-10-11 | Engine | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
5.0 qt of 0W-20 API, per the factory manual.
NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 47 city / 47 highway / 47 combined mpg.