Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2021 Odyssey.
The 2021 Honda Odyssey is a midsize minivan that comes with an automatic S10 transmission and requires 5.7 quarts of 0W‑20 engine oil; it achieves EPA‑rated fuel economy of 19 mpg city, 28 mpg highway, and 22 mpg combined. In its most recent year, the vehicle tallied 126 owner complaints, the majority centered on its electrical system, and it was subject to eight recalls. When placed within the broader reliability history of the Odyssey line, the 2021 model sits comfortably between the era‑low of 1994—only one complaint—and the peak of 2002, which saw 972 complaints, suggesting a relatively stable and dependable platform for researchers evaluating long‑term durability.
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 Only use AGM VRLA Battery. 48 · 650 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 (S10) |
| Overall length | 205.1 in |
| Overall width | 78.7 in |
| Overall height | 68.1 in |
| Wheelbase | 118.1 in |
| Curb weight | 4548 lb |
| Track (front / rear) | 66.9 / 67.3 in |
| Weight distribution (front / rear) | 55/45 |
| EPA city / highway / combined | 19 / 28 / 22 mpg |
| Drivetrain | Front-Wheel Drive |
| Recommended fuel | Regular Gasoline |
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the Odyssey of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.
| Year | Trim / engine | 0–60 | ¼ mile | HP | Drivetrain |
|---|---|---|---|---|---|
| 2021 | Elite 3.5L V6 | 6.50 sec | 15.10 sec | 280 hp | FWD |
| 2021 | Elite 3.5L V6 | 6.70 sec | 15.30 sec | 280 hp | FWD |
| 2021 | Elite 3.5L V6 | 6.70 sec | 15.20 sec | 280 hp | FWD |
| 2021 | EX-L 3.5L V6 | 6.70 sec | 15.10 sec | 280 hp | FWD |
| 2021 | Elite 3.5L V6 | 6.80 sec | 15.20 sec | 280 hp | FWD |
| 2021 | Elite 3.5L V6 | 6.90 sec | 15.30 sec | 280 hp | FWD |
| 2019 | Elite 3.5L V6 | 6.70 sec | 15.20 sec | 280 hp | FWD |
| 2018 | Elite 3.5L V6 | 6.60 sec | 15.20 sec | 280 hp | FWD |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 5.7 qt of 0W-20 engine oil, DOT 3 brake fluid. Torque lug nuts to 94.0 ft-lbs. The firing order is 1-4-2-5-3-6.
| Automatic Transmission Fluid | ATF |
| Brake Fluid | DOT 3 |
| Engine Coolant | Honda Long Life Antifreeze/Coolant Type 2 |
| Engine Coolant Capacity | 1.6 Gallons |
| Engine Oil | 0W-20 |
| Engine Oil Capacity | 5.7 qt |
| Crankshaft Position (CKP) Sensor Bolt(s) | 9.0 ft-lbs |
| Camshaft Position (CMP) Sensor Bolt(s) | 3.0 ft-lbs |
| Engine Coolant Temperature (ECT) Sensor Bolt(s) | 9.0 ft-lbs |
| Oxygen (O2S) Sensor Bolt(s) | 33.0 ft-lbs |
| Knock Sense (KS) Bolt(s) | 16.0 ft-lbs |
| Flex or Driveplate Bolts | 55.0 ft-lbs |
| Engine Flywheel Bolts | 55.0 ft-lbs |
| Intake Manifold to Engine Bolts | 16.0 ft-lbs |
| Lug Nuts | 94.0 ft-lbs |
| Automatic Transmission Drain Plug | 10 |
| Cylinder Firing Order | 1-4-2-5-3-6 |
| Curb Idle Speed (No Load) | Transmission in Neutral or Park: 680 rpm |
| Curb Idle Speed Variance (No Load) | 50 rpm |
| Curb Idle Speed (Secondary Under Load) | Transmission in Neutral or Park: 680 rpm |
| Curb Idle Speed Variance (Secondary Under Load) | 50 rpm |
| Spark Plug Manufacturer | Honda |
| Spark Plug Gap | 0.039-0.043 in |
| Spark Plug Torque | 16.0 ft-lbs |
| Refrigerant | R1234yf |
| Refrigerant Capacity | 1.26-1.37 lbs |
| Oil Group | POE |
| Oil Type | DENSO ND-14 |
| Standard BCI Group Number | Only use AGM VRLA Battery. 48 |
| Standard BCI Cranking Performance | 650 cca |
| Fuel Pump Pressure Minimum | 59.5 psi |
| Fuel Pump Pressure Maximum | 66.7 psi |
| Regulated Fuel System Pressure (With Vacuum) | 59.5-66.7 psi |
| Engine Oil Pressure | 10.2 minimum psi @ curb idle speed psi |
| Engine Oil Pressure RPM | 71.1 minimum psi @ 3,000 rpm's rpm |
| Brake Caliper Bolt to Carrier Torque | Front: 30.0 ft-lbs; Rear: 26.0 ft-lbs |
| Brake Caliper Carrier to Hub Bolt Torque | Front: 101.0 ft-lbs; Rear: 80.0 ft-lbs |
| ABS Sensor Torque | 6.4 |
| Minimum Pad Thickness | 0.063 in |
| Vented Rotor Minimum Thickness for Replacement | Front: 1.024; Rear: .354 |
| Variation from Parallelism Thickness Variation | .0006" |
| Maximum Rotor Runout | .0016" |
| 1 | Remove the tire and wheel assembly. Step 3: Perform inspection of front suspension bolts, brushings and nuts. Step 4: Replace any loose, damaged or deteriorating parts. Step 5: Perform inspection of ball joint boot for leaks, cracks or any damage. Step 6: Inspect lower control arm by holding the outside and moving up and down. Step 7: Replace control arm if there is any noise or looseness or if the lower control arm and ball joint clearance exceeds specifications. Step 8: Replace ball joint if damaged. | |
| 1 | 15.0 ft. lbs., Step 2: 90° | 15 ft. lbs |
| 1 | 48.0 ft. lbs., Step 2: 60° | 48 ft. lbs |
| 1 | 22.0 ft. lbs., Step 2: 90°, Step 3: 90°, Step 4: For new cylinder head bolts: Tighten bolts an additional 90°. | 22 ft. lbs |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The 2021 Honda Odyssey represents a dramatic inflection point in the generation’s reliability arc, with complaints plummeting to 126 from 424 in 2020 and 939 in 2018, while recalls fell to 8 from the 20 recorded in 2019. This model year sits at the base of a stabilization plateau that continues through 2022 (127 complaints) and 2023 (88), marking a clear departure from the launch-phase volatility of 2018–2020. Federal filings show 2 investigations and 152 TSBs for 2021, with primary complaint categories concentrated in Electrical System (16), Air Bags (15), and Forward Collision Avoidance (9), though the data does not specify underlying causes; crash and fire complaints register at just 2 and 1 respectively. Positioned after the steep decline from the generation’s early high-volume complaint period, the 2021 model demonstrates substantially matured manufacturing quality with roughly one-third the regulatory friction of 2020. For buyers evaluating this generation, the 2021 model year offers a compelling convergence of lower recall exposure and reduced complaint volume, making it a strong candidate for purchase.
All 126 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 8 campaigns on record for this vehicle.
Braun Corporation (Braun) is recalling certain 2018-2021 Braun-modified Honda Odyssey vehicles. The fuel tank assembly installed by Braun may be susceptible to the fuel tank overfilling into the charcoal canister. If… Remedy: Braun will notify owners, and dealers will inspect vehicles. If evidence of a fuel leak is present, a new fuel tank assembly and a new Honda charcoal canister will be installed…
Honda (American Honda Motor Co) is recalling certain 2020-2021 Pilot and Ridgeline, and 2020-2022 Passport and Odyssey vehicles. The heating pads behind both side-view mirrors may not be bonded properly, allowing the… Remedy: Dealers will replace both left and right side-view mirrors, free of charge. Owner letters were mailed January 17, 2024. Owners may contact Honda customer service at…
Showing 5 of 152 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| ONL6AX022025A | 2025-02-19 | Engine | Owner Notification Letter - Under certain circumstances, after coming to a stop and the… |
| ATI&01302025901 | 2025-01-30 | Structure | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022… |
| ATI&01152025908 | 2025-01-15 | Structure | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022… |
| ATI&01022025905 | 2025-01-02 | Structure | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022… |
| ATI&12022024906 | 2024-12-02 | Structure | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022… |
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.
5.7 qt of Honda 0W-20, per the factory manual.
NHTSA lists 8 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 19 city / 28 highway / 22 combined mpg.