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2023 Audi A8 Quattro

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2023 A8 Quattro.

Transmission Automatic (S8)

The 2023 Audi A8 Quattro arrives with an automatic S8 transmission and an EPA rating of 19 city, 28 highway and 22 combined mpg. In its first year on the market it has logged just two owner complaints, with the leading category listed as unknown or other, and it has been subject to a single recall. That sparse complaint and recall count suggests the model year sits on a comparatively clean reliability footing within the A8 lineage.

Model year202520242023202220212020

Quick specs

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

Lug nut torque89.0 ft-lbsOEM · verified
EPA fuel economy19/28/22 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses OE oil filter 06M115441G. 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.

Tire size255/45R19/XL 104HOEM · verified
Wheel / rim9 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter06M115441G alt 06M198405F
Engine air filter4N0129620C
Spark plug06M905606F
Battery000915089BC
Front wiper blades4N1998002B alt 4N1998002
Thermostat06M121688 alt 06M121678H
Cabin air filter4M0819439C

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S8)

Dimensions & weight NHTSA vPIC

Overall length208.7 in
Overall width76.8 in
Overall height57.9 in
Wheelbase123.2 in
Curb weight4475 lb
Track (front / rear)64.6 / 64.2 in

Ratings & economy EPA / vPIC

EPA city / highway / combined19 / 28 / 22 mpg
DrivetrainAll-Wheel Drive
Passenger volume111 cu ft
Cargo volume13 cu ft
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

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

Torque lug nuts to 89.0 ft-lbs.

Chassis torques

Lug Nuts89.0 ft-lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 10,000 mi; spark plugs every 40,000 mi.

Every 10,000 miBrake Linings (inspect) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Tire Repair Kit Sealant (inspect)
Every 20,000 miBody Water Drains (inspect) · Brake Line (inspect) · Cabin Air Filter (replace) · Door Hinge (lubricate) · Drive Axle Assembly (inspect) · Engine Assembly (leak inspection)
Every 40,000 miSpark Plugs (replace)
Every 60,000 miEngine Air Filter Element (replace)

Reliability & federal safety record

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

Owner complaints about the 2023 Audi A8 Quattro dominate in one area — the unknown or other, 1 of 2 reports (50%), well ahead of the next concern. NHTSA has issued no recalls for this vehicle, so these are owner-reported concerns only. 0 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the unknown or other pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.

1
Open recalls
NHTSA campaigns
691
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
2
Owner complaints
0 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★★
Frontal★★★★★
Side★★★★★
Rollover★★★★★

Owner complaints filed with NHTSA, by component

All 2 complaints on record, top 2 components.

Unknown Or Other1
Service Brakes,Exterior Lighting1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 691 bulletins on record with NHTSA.

BulletinDateComponentSummary
TSB_2027368_72025-07-31Electrical SystemThis TSB provides information when the Audi advanced key is inoperative; door handle…
TSB_2068380_72025-07-31Electrical SystemThis bulletin provides information when there is an instrument cluster fault, or a black…
TSB_2070020_62025-07-31Electrical SystemThis bulletin provides information when the Audi virtual cockpit display has…
TSB_2075217_32025-07-31Electrical SystemThis bulletin provides information when the display of guages is faulty in Audi virtual…
TSB_2078826_12025-07-31Electrical SystemThis bulletin provides informaton when the turn signal light does not work.

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 A8 Quattro. 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.

Engine oil filter 06M115441GEngine air filter 4N0129620CSpark plug 06M905606FBattery 000915089BC

Reference guides

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

Vehicle recalls & TSBsOBD-II trouble codesMaintenance schedulesFluid capacities & specs

Frequently asked

Does the 2023 A8 Quattro have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the A8 Quattro get?

EPA figures are 19 city / 28 highway / 22 combined mpg.