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2006 Audi A3

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2006 A3.

Body PASSENGER CARTransmission Automatic (S6)

The 2006 Audi A3, a passenger car, uses 4.9 qt of 5W‑30/5W‑40 API oil and is mated to an Automatic (S6) transmission, achieving EPA fuel economy of 22/29/25 mpg. It carries a total of 123 owner complaints, with the most frequent issue involving air bags and four recall actions, situating its complaint volume near the lower end of the model’s historical range that spans from a single complaint in 2001 to a peak of 176 in 2015. Consequently, the 2006 model year is viewed as an early, relatively reliable phase of the A3 lineage.

Model year2024 2023 2022 2020 2019 2013 2006

Quick specs

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

Engine oil capacity4.9 qtOEM · verified

Engine oil type5W-30 / 5W-40 APIOEM · verified

Lug nut torque89 ft-lbsOEM · verified

EPA fuel economy22/29/25 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 47 · 540 CCA battery, OE oil filter 06F115441B. 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 47 · 540 CCAOEM · verified

Tire sizeP225-45R17OEM · verified

OE service part numbers OEM · verified

Engine oil filter	06F115441B alt 06D115562
Engine air filter	06F133843A
Fuel filter	1K0201051K
Spark plug	06H905601A
Battery	000915105AF
Front wiper blades	8P1955425J alt 8P1955426J
Serpentine belt	06F260849L
Thermostat	06B121119C alt 06F121111F
Cabin air filter	1K1819669

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic (S6)

Dimensions & weight NHTSA vPIC

Overall length	168.9 in
Overall width	68.5 in
Overall height	57.5 in
Wheelbase	101.6 in
Curb weight	3660 lb
Track (front / rear)	59.8 / 58.3 in
Weight distribution (front / rear)	60/40

Ratings & economy EPA / vPIC

EPA city / highway / combined	22 / 29 / 25 mpg
Drivetrain	Front-Wheel Drive
Passenger volume	89 cu ft
Cargo volume	20 cu ft
Recommended fuel	Premium Gasoline

Performance & power Independent road tests

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

Independent road tests for the A3 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

5.8–7.1 sec0–60 mph (tested)quickest 5.80 sec — 2006 3.2 Quattro S-Line Wagon

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
2006	3.2 Quattro S-Line Wagon 3.2L V6	5.80 sec	14.50 sec	250 hp	AWD
2006	2.0T Wagon 2.0L Turbo I-4	6.10 sec	14.70 sec	200 hp	FWD
2006	2.0T Wagon 2.0L Turbo I-4	6.20 sec	14.60 sec	200 hp	FWD
2006	2.0T Wagon 2.0L Turbo I-4	6.40 sec	15.00 sec	200 hp	FWD
2006	2.0T Wagon 2.0L Turbo I-4	6.40 sec	14.90 sec	200 hp	FWD
2006	2.0T Wagon 2.0L Turbo I-4	6.50 sec	14.90 sec	200 hp	FWD
2006	2.0T Wagon 2.0L Turbo I-4	7.10 sec	15.30 sec	200 hp	FWD
2009	2.0T Quattro Wagon 2.0L Turbo I-4	6.30 sec	14.90 sec	200 hp	AWD

Service quick specs OEM factory data

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

This engine holds 4.9 qt of 5W-30 / 5W-40 API engine oil, REAR: AUDI PART NO. G052145A1 in the differential. Torque lug nuts to 89 ft-lbs, the oil drain plug to 22.1 ft-lbs. The firing order is 1-5-3-6-2-4. 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

Differential Gear Oil	REAR: AUDI PART NO. G052145A1
Differential Gear Oil Capacity	2 Pints
Engine Oil	5W-30 · 5W-40 · API
Engine Oil Capacity	4.9 qt
Engine Oil	5W-30 · 5W-40 · API
Engine Oil Capacity	5.8 qt
Power Steering Fluid	USE AUDI PART NO. G002000 OR G004000

Engine torques

Crankshaft Pulley and/or Damper Bolts	74 ft-lbs
Engine Flywheel Bolts	Long bolts
Intake Manifold to Engine Bolts	7.3 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	15 ft-lbs
Intake Manifold to Engine Bolts	4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	18 ft-lbs
Engine Oil Pan Drain Plug	22.1 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs	15 ft-lbs

Chassis torques

Lug Nuts	89 ft-lbs
Transfer Case Fill Plug	11.0 ft-lbs
Transfer Case Drain Plug	Bevel box: 44.0, Haldex Clutch: 22.0 ft-lbs

Ignition

Cylinder Firing Order	1-3-4-2
Cylinder Firing Order	1-5-3-6-2-4
Curb Idle Speed (No Load)	720 rpm
Curb Idle Speed Variance (No Load)	80 rpm
Spark Plug Manufacturer	VW
Spark Plug Gap	0.035 in
Spark Plug Torque	22.0 ft-lbs

Battery & A/C

Refrigerant	R134a
Refrigerant Capacity	1.10-1.21 lbs
Oil Type	PAG 46
Oil Capacity	Denso compressor, 4.39-5.06, Sanden compressor, 3.38-4.05, Zexel compressor, 3.71-4.39 oz
Standard BCI Group Number	47
Standard BCI Cranking Performance	540 cca
Optional BCI Group Number	48
Optional BCI Cranking Performance	640 cca

Service checks

Pressure Test	14.5 psi
Radiator Cap Pressure Relief	20-23 psi
Thermostat Opening Temperature	188 °F
Pressure Test	14.5 psi
Radiator Cap Pressure Relief	20-23 psi
Thermostat Opening Temperature	176 °F
Regulated Fuel System Pressure (Without Vacuum)	58.0 psi
Regulated Fuel System Pressure (With Vacuum)	51.0 psi

Brakes

Brake Application	WITH 1KD, 1KQ / WITH 1KZ, 1KE, 1KJ, 1KU
Torque Caliper to Bracket	26 ft-lbs
Brake Application	WITH 1KF / WITH 1KJ, 1KU / WITH 2EA, 1KW
Torque Caliper to Bracket	26 ft-lbs
Torque Caliper to Bracket	22 ft-lbs
Torque to Knuckle	140 ft-lbs / 144 ft-lbs
Brake Application	WITH 1ZF
Torque Caliper to Bracket	22 ft-lbs

Multi-step torque procedures OEM · verified

Torque to Knuckle — tightening sequence 1 stages

Connecting Rod (Large End) Bearings — tightening sequence 1 stages

22 ft. lbs., Step 2: 90

22 ft. lbs

Connecting Rod (Large End) Bearings — tightening sequence 1 stages

22 ft. lbs., Step 2: 90

22 ft. lbs

Cylinder Head — tightening sequence 3 stages

1	29.5 ft. lbs.	29.5 ft. lbs
2	90 degrees	90 degrees
3	90 degrees	90 degrees

Engine Flywheel Bolts — tightening sequence 1 stages

44 ft. lbs., Step 2: 90

44 ft. lbs

Main Bearings — tightening sequence 1 stages

48 ft. lbs., Step 2: 90

48 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 5,000 mi; spark plugs at 35,000 mi.

At 5,000 mi	Brake System (inspect) · Headlamp Washer Nozzle (inspect) · Headlamp Washer System (inspect fluid level) · Tire & Wheel Assembly (inspect) · Windshield Washer System (inspect) · Windshield Wiper Linkage (lubricate)
Every 5,000 mi	Engine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate) · Windshield Washer System (inspect fluid level)
Every 10,000 mi	Brake System (inspect) · Headlamp Washer Nozzle (inspect) · Headlamp Washer System (inspect fluid level) · Tire & Wheel Assembly (inspect) · Windshield Washer System (inspect) · Windshield Wiper Linkage (lubricate)
At 15,000 mi	Battery (inspect electrolyte level) · CV Joint Boot (inspect) · Cabin Air Filter (replace) · Door Stop (lubricate) · Driveshaft (inspect) · Engine Assembly (leak inspection)
Every 20,000 mi	Battery (inspect electrolyte level) · CV Joint Boot (inspect) · Cabin Air Filter (replace) · Door Stop (lubricate) · Driveshaft (inspect) · Engine Assembly (leak inspection)
At 35,000 mi	Exterior Lighting (inspect) · Power Steering System (inspect fluid level) · Spark Plugs (replace) · Transfer Case Assembly (drain & refill)
Every 35,000 mi	Headlamp (inspect alignment)
Every 40,000 mi	Engine Air Filter Element (replace) · Engine Air Filter Housing (clean) · Exterior Lighting (inspect) · Power Steering System (inspect fluid level) · Spark Plugs (replace) · Sunroof Assembly (inspect)
At 55,000 mi	Engine Air Filter Element (replace) · Engine Air Filter Housing (clean)

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 2006 Audi A3 sits at a peak in the federal record, with 123 complaints and four recalls, far higher than the 0–6 complaints and 0–1 recalls seen in 2001‑2005. The following year, 2007, the complaint count drops to 52 while recalls fall to three, indicating a sharp but temporary spike in 2006. Across the generation, the trend shows a gradual rise in complaints and recalls from 2005 through 2015, peaking again at 176 complaints in 2015, before falling to single digits in recent years. In 2006, the top complaint areas—air bags (54), power train (31), exterior lighting (9), and suspension (4)—reflect the most frequent issues for that model year. With 3 crash complaints and no fire complaints reported, the overall risk profile is moderate, but the elevated recall and complaint counts suggest potential maintenance concerns. **Takeaway:** While a 2006 Audi A3 may still be serviceable, the high volume of complaints and recalls that year indicates it may not be the best choice for a reliable used purchase.

Open recalls

NHTSA campaigns

349

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

123

Owner complaints

3 involved a crash · 0 a fire

NHTSA crash-test rating federal NCAP · out of 5 stars

Rollover★★★★★

Owner complaints by model year NHTSA · this generation & adjacent

’01 ’03 ’04 ’05’06’07 ’08 ’09 ’10 ’11 ’12 ’13 ’15 ’18 ’19 ’20 ’24 ’25

Owner complaints filed with NHTSA, by component

All 123 complaints on record, top 8 components.

Air Bags54

Power Train31

Exterior Lighting9

Suspension4

Engine & Engine Cooling3

Fuel/Propulsion System2

Electrical System2

Fuel System, Gasoline2

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 4 campaigns on record for this vehicle.

18V082000Air Bags:Frontal:Driver Side:Inflator ModuleReported 30/01/2018

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2006-2013 Audi A3, 2007-2009 A4 Cabriolet and S4 Cabriolet, 2008 RS4 Cabriolet, 2009-2012 Q5, and 2010-2012 Audi A5 Cabriolet and S5 Cabriolet… Remedy: Audi will notify owners, and dealers will replace the driver's frontal air bag inflator with an alternative inflator, free of charge. The recall began February 23, 2018. Owners…

16V079000Air Bags:Frontal:Driver Side:Inflator ModuleReported 10/02/2016

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2006 Volkswagen Passat sedans and wagons, 2005-2013 Audi A3, and 2006-2009 Audi A4 Cabriolet vehicles. Upon deployment of the driver's… Remedy: Volkswagen will notify owners, and dealers will replace the driver's frontal air bag inflators, free of charge. The recall began March 2017. Volkswagen owners may contact…

Technical service bulletins NHTSA · verified

Showing 5 of 349 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
A9423672071954_1	2023-10-30	Exterior Lighting	This bulletin provides information pertaining to when there are foreign objects inside of…
A0023742052680_4	2023-10-04	Equipment	This bulletin provides information on the additional reporting requirements for safety…
DC_AudiRingsV12	2023-04-28	Equipment	Inside the Rings \| Volume 12, Spring 2023
TRMDMV_NM_Audi	2023-03-13	Air Bags	In conjunction with the New Mexico DMV, Audi will be sending Takata airbag recall…
TRMDMV_MA_Audi	2023-03-13	Air Bags	In conjunction with the Massachusetts DMV, Audi will be sending Takata airbag recall…

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 A3. 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.

Group 47 battery Vehicles taking 4.9 qt Engine oil filter 06F115441B Engine air filter 06F133843A Fuel filter 1K0201051K Spark plug 06H905601A

Reference guides

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

Vehicle recalls & TSBs OBD-II trouble codes Torque specifications Maintenance schedules Fluid capacities & specs

Frequently asked

How much oil does the 2006 A3 take?

4.9 qt of 5W-30 OR 5W-40 API MEETING VW SPECIFICATION VW50200, per the factory manual.

Does the 2006 A3 have open recalls?

NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the A3 get?

EPA figures are 22 city / 29 highway / 25 combined mpg.