AcuraRDX2015Overview/acura/rdx/2015/base/

2015 Acura RDX

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2015 RDX.

Body SUVTransmission Automatic (S6)

The 2015 Acura RDX is an SUV that carries a 4.5‑qt oil capacity and uses 0W‑20 viscosity, paired with an Automatic (S6) transmission, and its EPA fuel‑economy ratings stand at 20/28/23 mpg. Across its full complaint record from 2007 through 2025, the model has generated 406 total owner complaints, with the most frequent issues centered on Exterior Lighting and only three recall actions issued. Relative to its history, the 2015 year sits near the lower tier of complaint volume — well below the 431 complaints recorded in 2019 yet still above the recent 10‑complaint low of 2024 — indicating a generally improving reliability trend for this generation.

Model year202620252024202320222021202020192015

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4.5 qtOEM · verified
Engine oil type0W-20OEM · verified
EPA fuel economy20/28/23 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 24F · 550 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.

Battery groupBCI 24F · 550 CCAOEM · verified
Tire sizeP235/60R18OEM · verified
Wheel / rim7.5 inOEM · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S6)

Dimensions & weight NHTSA vPIC

Overall length183.5 in
Overall width73.6 in
Overall height66.5 in
Wheelbase105.5 in
Curb weight3856 lb
Track (front / rear)63 / 63.4 in
Weight distribution (front / rear)59/41

Ratings & economy EPA / vPIC

EPA city / highway / combined20 / 28 / 23 mpg
DrivetrainFront-Wheel Drive
Recommended fuelPremium Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the RDX of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

6.2–7.0 sec0–60 mph (tested)quickest 6.20 sec — 2016 Advance Package
YearTrim / engine0–60¼ mileHPDrivetrain
20143.5L V6 Technology Package6.20 sec14.80 sec273 hpAWD
2016Advance Package 3.5L V66.20 sec14.80 sec279 hpAWD
2016Advance Package 3.5L V66.20 sec14.80 sec279 hpAWD
2016Advance Package 3.5L V66.50 sec15.00 sec279 hpAWD
20133.5L V6 Technology Package6.20 sec14.80 sec273 hpAWD
20133.5L V6 Technology Package6.30 sec14.90 sec273 hpAWD
20133.5L V6 Technology Package7.00 sec15.40 sec273 hpAWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4.5 qt of 0W-20 engine oil, Acura All-Wheel Drive Fluid in the differential, DOT 3 brake fluid. Torque the oil drain plug to 29.0 ft-lbs. The firing order is 1-4-2-5-3-6. 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.

Lubricants & capacities

Automatic Transmission FluidATF
Automatic Transmission Fluid Capacity3.3
Brake FluidDOT 3
Differential Gear OilAcura All-Wheel Drive Fluid
Differential Gear Oil Capacity2.6 qt
Engine CoolantAcura Long Life Antifreeze/Coolant Type 2
Engine Coolant Capacity6.96
Engine Oil0W-20

Engine torques

Camshaft Sprocket and/or Gear Bolt(s)68.0 ft-lbs
Exhaust Manifold to Cylinder Head Bolts24
Exhaust Manifold to Cylinder Head Bolts24
Engine Oil Pan Drain Plug29.0 ft-lbs

Chassis torques

Driveshaft Flange to Transmission53.0 ft-lbs
Steering Track (Rod End) Bolts40.0 ft-lbs
Transfer Case Fill Plug33.0 ft-lbs
Transfer Case Drain Plug33.0 ft-lbs
Automatic Transmission Drain Plug36.0 ft-lbs
Front Wheel Hub242 ft-lbs
Rear Wheel Hub133 ft-lbs

Ignition

Cylinder Firing Order1-4-2-5-3-6
Curb Idle Speed (No Load)600-700 rpm
Spark Plug ManufacturerNGK
Spark Plug Gap1.0 - 1.1 in
Spark Plug Torque16 ft-lbs
Ignition Timing5 degrees
Ignition Timing Acceptable Variance2 degrees

Battery & A/C

RefrigerantR134a
Refrigerant Capacity15.2-16.9 lbs
Oil GroupPAG
Oil TypeDENSO ND-OIL 8
Oil Capacity6.2-6.5 oz
Standard BCI Group Number24F
Standard BCI Cranking Performance550 cca

Service checks

Pressure Test14-18 psi
Radiator Cap Pressure Relief14-18 psi
Thermostat Opening Temperature176-183 °F
Regulated Fuel System Pressure (With Vacuum)56-64 psi
Engine Compression135 min psi
Intake Valve Lash0.008-0.009 in
Exhaust Valve Lash0.011-0.013 in

Brakes

Brake Caliper Bolt to Carrier TorqueFront: 37; Rear: 17 /; Front: 37; Rear: 17
Brake Caliper Carrier to Hub Bolt TorqueFront: 101; Rear: 80 /; Front: 101; Rear: 80
ABS Sensor Torque7.5 / NS
Minimum Pad Thickness0.063 in
Vented Rotor Minimum Thickness for ReplacementFront: .906; Rear: .295
Variation from Parallelism Thickness Variation.0006
Maximum Rotor Runout.0016
Maximum Drum Diameter7.913 Parking Brake Drum.

Multi-step torque procedures OEM · verified

Cylinder Head — tightening sequence 4 stages

Prep Use new bolts coating the threads and under bolt heads with new engine oil.

122.0 ft. lbs.22 ft. lbs
290 degrees90 degrees
390 degrees90 degrees
490 degrees90 degrees

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

At 160,000 miUniversal Vehicle Operation (inspect idle speed)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2015 Acura RDX sits at the peak of the complaint trend for its generation, with 406 complaints and 3 recalls, compared to 239 in 2014 and 431 in 2019. The recall count remains steady at three each year, while investigations rise to one in 2015, matching the 2013–2014 pattern. Exterior lighting accounts for the bulk of the complaints (319), followed by air‑bag issues (30). Crash complaints total seven and there are no fire complaints for the year. Given the high complaint volume and the concentration on lighting and air‑bag concerns, 2015 is a less attractive year to buy without a thorough inspection for those components.

3
Open recalls
NHTSA campaigns
115
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
406
Owner complaints
7 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★★
Frontal★★★★★
Side★★★★★
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 406 complaints on record, top 8 components.

Exterior Lighting319
Air Bags30
Exterior Lighting,Visibility/Wiper12
Structure7
Electrical System6
Visibility/Wiper4
Unknown Or Other4
Fuel/Propulsion System3

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

19V182000Air Bags:Frontal:Driver Side:Inflator ModuleReported 06/03/2019

Honda (American Honda Motor Co.) is recalling specific 2003 Acura 3.2CL, 2013-2016 ILX, 2013-2014 ILX Hybrid, 2003-2006 MDX, 2007-2016 RDX, 2002-2003 3.2TL, 2004-2006, and 2009-2014 TL, 2010-2013 ZDX and 2001-2007 and… Remedy: Honda will notify owners, and dealers will replace the driver's air bag inflator with an alternate inflator, free of charge. The recall began April 10, 2019. Honda owners may…

19V500000Air Bags:Frontal:Driver Side:Inflator ModuleReported 27/06/2019

Honda (American Honda Motor Co.) is recalling certain 2013 Acura ILX, 2015 RDX, 2005-2010 and 2012 RL, 2009-2014 TL, 2010 and 2012 ZDX, 2007-2011 CR-V, 2011-2013 and 2015 CR-Z, 2009-2013 Fit, 2013 Fit EV, 2010-2011 and… Remedy: Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of charge. The recall began August 12, 2019. Owners may contact Honda customer service…

Technical service bulletins NHTSA · verified

Showing 5 of 115 bulletins on record with NHTSA.

BulletinDateComponentSummary
B18-0202026-02-28Air BagsService Bulletin - Warranty Extension: Customer Support Program For Driver's Airbag…
BPO050220229012022-05-02EquipmentDealer message - American Honda is investigating a potential quality concern with RDX…
B18-0202022-04-08Air BagsService bulletin - This bulletin is a notification of a class action settlement relating…
B18-0202022-03-01EquipmentService Bulletin - This bulletin is a notification of a class action settlement relating…
BTI&090720219032021-09-07StructureDealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2013-2017…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific RDX. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 2015 RDX take?

4.5 qt of 0W-20 STARBURST, per the factory manual.

Does the 2015 RDX have open recalls?

NHTSA lists 3 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the RDX get?

EPA figures are 20 city / 28 highway / 23 combined mpg.