AudiTT/TTS Coupe/Roadster2006Overview/audi/tt-tts-coupe-roadster/2006/base/

2006 Audi TT/TTS Coupe/Roadster

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2006 TT/TTS Coupe/Roadster.

Body PASSENGER CARTransmission Automatic (S6)

Defined as a passenger car, the 2006 Audi TT/TTS Coupe/Roadster utilizes an Automatic (S6) transmission and achieves EPA fuel economy ratings of 18/27/21 mpg, while its engine requires 4.8 qt of 5W-30 / 5W-40 API oil. Reliability records for this specific model year document 1 recall and 4 total owner complaints, with the engine identified as the top complaint area. These figures define the 2006 model year's position within the broader reliability history, providing researchers a concrete baseline of documented engine concerns and recalls for evaluation.

Model year201220112010200920062005200420032002

Quick specs

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

Engine oil capacity4.8 qtOEM · verified
Engine oil type5W-30 / 5W-40 APIOEM · verified
Lug nut torque89 ft-lbsOEM · verified
EPA fuel economy18/27/21 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 45 · N/A CCA battery, OE oil filter 06A115561B. Note the factory front wiper blades and serpentine belt are now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. 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 45 · N/A CCAOEM · verified
Tail / brake / turnTURNOEM · verified
Tire size225-45R17OEM · verified

OE service part numbers OEM · verified

Engine oil filter06A115561B
Engine air filter1J0129620
Fuel filter1J0201511A
Spark plug101000063AA
Battery000915105AD alt 8N7915105A
Front wiper blades8N1955425E discontinued
Serpentine belt06A260849C discontinued
Thermostat050121113C alt 038121119B
Cabin air filter1J0819644A

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S6)

Ratings & economy EPA / vPIC

EPA city / highway / combined18 / 27 / 21 mpg
DrivetrainFront-Wheel Drive
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

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

This engine holds 4.8 qt of 5W-30 / 5W-40 API engine oil, DOT 4 brake fluid. Torque lug nuts to 89 ft-lbs, the oil drain plug to 18.4 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

Automatic Transmission FluidAudi part number G055025A2
Automatic Transmission Fluid Capacity7.4
Brake FluidDOT 4
Differential Gear Oil Capacity2.1 Pints
Engine Oil5W-30 · 5W-40 · API
Engine Oil Capacity4.8 qt
Engine Oil5W-30 · 5W-40 · API
Engine Oil Capacity5.8 qt

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs9 ft-lbs
Crankshaft Pulley and/or Damper Bolts74 ft-lbs
Intake Manifold to Engine Bolts7.3 ft-lbs
Exhaust Manifold to Cylinder Head Bolts18 ft-lbs
Intake Manifold to Engine Bolts4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts18 ft-lbs
Engine Oil Pan Drain Plug18.4 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs12 ft-lbs

Chassis torques

Lug Nuts89 ft-lbs
Transfer Case Fill Plug11.0 ft-lbs
Transfer Case Drain PlugBevel box: 44.0, Haldex Clutch: 22.0 ft-lbs
Rear Wheel Hub129 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Cylinder Firing Order1-5-3-6-2-4
Spark Plug ManufacturerVW
Spark Plug Gap0.032 in
Spark Plug Torque22.0 ft-lbs
Spark Plug ManufacturerVW
Spark Plug Gap0.035 in
Spark Plug Torque22.0 ft-lbs

Battery & A/C

RefrigerantR134a
Oil GroupPAG
Standard BCI Group Number45
Standard BCI Group Number45

Service checks

Pressure Test14.5 psi
Radiator Cap Pressure Relief20-23 psi
Thermostat Opening Temperature176 °F
Pressure Test14.5 psi
Radiator Cap Pressure Relief20-23 psi
Thermostat Opening Temperature188 °F
Regulated Fuel System Pressure (Without Vacuum)58.0 psi
Regulated Fuel System Pressure (With Vacuum)51.0 psi

Brakes

Torque Caliper to Bracket18 ft-lbs / 26 ft-lbs
Torque to Knuckle92 ft-lbs / 48 ft-lbs
Torque Caliper to Bracket18 ft-lbs / 26 ft-lbs
Torque to Knuckle92 ft-lbs / 48 ft-lbs
Rotor Nominal Thickness From1.26 in / 0.984 in / 0.354 in / 0.866 in
Rotor Nominal Thickness To1.26 in / 0.984 in / 0.354 in / 0.866 in
Rotor Discard at or Under1.181 in / 0.906 in / 0.276 in / 0.787 in
Rotor Nominal Thickness From1.26 in / 0.984 in / 0.354 in / 0.866 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
122 ft. lbs., Step 2: 9022 ft. lbs
Connecting Rod (Large End) Bearings — tightening sequence 1 stages
122 ft. lbs., Step 2: 9022 ft. lbs
Cylinder Head — tightening sequence 4 stages
122 ft. lbs.22 ft. lbs
237 ft. lbs.37 ft. lbs
390 degrees90 degrees
490 degrees90 degrees
Flex or Driveplate Bolts — tightening sequence 1 stages
144 ft. lbs. Step 2: 9044 ft. lbs
Engine Flywheel Bolts — tightening sequence 1 stages
144 ft. lbs., Step 2: 18044 ft. lbs
Engine Flywheel Bolts — tightening sequence 1 stages
144 ft. lbs., Step 2: 9044 ft. lbs
Main Bearings — tightening sequence 1 stages
148 ft. lbs., Step 2: 9048 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 miBrake 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 miEngine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate) · Windshield Washer System (inspect fluid level)
Every 10,000 miBrake 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 miBattery (inspect electrolyte level) · CV Joint Boot (inspect) · Cabin Air Filter (replace) · Door Stop (lubricate) · Driveshaft (inspect) · Engine Assembly (leak inspection)
Every 20,000 miBattery (inspect electrolyte level) · CV Joint Boot (inspect) · Cabin Air Filter (replace) · Door Stop (lubricate) · Driveshaft (inspect) · Engine Assembly (leak inspection)
At 35,000 miEngine Air Filter Element (replace) · Engine Air Filter Housing (clean) · Exterior Lighting (inspect) · Power Steering System (inspect fluid level) · Spark Plugs (replace)
Every 35,000 miTransmission Fluid & Filter (replace)
Every 40,000 miEngine Air Filter Element (replace) · Engine Air Filter Housing (clean) · Exterior Lighting (inspect) · Power Steering System (inspect fluid level) · Spark Plugs (replace) · Sunroof Assembly (inspect)
Every 75,000 miAccessory Drive Belt (inspect) · Timing Belt (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 2006 Audi TT/TTS Coupe/Roadster dominate in one area — the engine, 2 of 4 reports (50%), well ahead of the next concern. That matters, because the engine are also the target of recall 14E-007 on this vehicle — so the single most useful check before buying or servicing one is confirming it was actually performed. 1 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the engine 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
195
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
4
Owner complaints
1 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★

Owner complaints filed with NHTSA, by component

All 4 complaints on record, top 3 components.

Engine2
Service Brakes, Hydraulic1
Tires1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

14E007000Engine And Engine Cooling:EngineReported 07/03/2014

The Gates Corporation (Gates) is recalling certain aftermarket Tru-Flow Water Pumps, part number TFW 41127, sold at certain NAPA Auto Parts and/or installed by automotive service technicians after November 1, 2013 (and… Remedy: Gates will notify owners, and dealers will replace the water pump, free of charge. The recall began during May 2014. Owners may contact The Gates Corporation at 1-303-744-1911.

Technical service bulletins NHTSA · verified

Showing 5 of 195 bulletins on record with NHTSA.

BulletinDateComponentSummary
A0023742052680_42023-10-04EquipmentThis bulletin provides information on the additional reporting requirements for safety…
SM 48-20222022-06-15EquipmentThis special notice is to inform dealers to return the parts listed if it meets the…
SM 32-20222022-04-05EquipmentThis special notice is to inform dealers to return the parts listed if it meets the…
A9122752024323_92022-02-07Electrical SystemThis bulletin contains technical information regarding when the parking aid sporadically…
A0021552011732122021-12-15Electrical SystemThis bulletin contains general instructions for software updates.

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 TT/TTS Coupe/Roadster. 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 2006 TT/TTS Coupe/Roadster take?

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

Does the 2006 TT/TTS Coupe/Roadster have open recalls?

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

What gas mileage does the TT/TTS Coupe/Roadster get?

EPA figures are 18 city / 27 highway / 21 combined mpg.