Car Model Guide/ Audi/ A4/ B8 Avant/ 1.8 TFSI

1.8 TFSI CABB

The entry petrol. Same EA888 architecture and the same chain tensioner risk as the 2.0, with less performance to show for it.

Overview

The 1.8 TFSI is the CABB petrol version of the Audi A4 wagon (B8 Avant), sold 2008–2015 with 160 PS and manual or automatic. High risk at level 4. Same EA888 chain tensioner risk as the 2.0 with less performance to justify the repair bill. 12 failure modes are recorded against its engine, gearbox, chassis and shared components, 2 of which are walk-away items without documented proof. Prices on this page are illustrative placeholders rather than a sourced market sample. See the methodology for how the bands are derived.

Power160 PS

Torque250 Nm

Years2008–2015

Fuelpetrol

DriveFWD

EnginesCABB

Biggest risks

Ranked by probability × repair cost. 12 recorded in total.

17High risk

Multitronic CVT failure€1,800–€4,000partly checkablewalk away
Timing chain tensioner failure€900–€1,800checkablewalk away
Carbon buildup on intake valves€400–€700not checkable

Risk level −33 · Walk-away failures −24 · Likely spend vs price −26 · all issues →

System by system9 systems reviewed · 2 with no recurring fault reported

Engine⚠ attentionTiming chain tensioner failure, €900–€1,800. Walk away without proof.

Fuel system✓ clearNo recurring fault reported for this system on this engine.

Intake & airwatchCarbon buildup on intake valves, €400–€700.

CoolingwatchCoolant expansion tank cracking, €120–€250.

Emissions✓ clearNo recurring fault reported for this system on this engine.

Transmission⚠ attentionMultitronic CVT failure, €1,800–€4,000. Walk away without proof.+1 more in this system

ElectricswatchFootwell module (FRM) failure, €150–€700.+2 more in this system

Suspension & brakeswatchFront control arm bushing wear, €300–€700.+2 more in this system

Body & interiorwatchCorrosion at the rear subframe and arch seams, €300–€2,000.

Pre-facelift or facelift, this engine spans both

The same badge either side of the changeover. Bands are split at the facelift year from the generation record.

Phase	Years	Low	Average	High	Good buy	What differs
pre Pre-facelift	2008–2011	€3,050	€5,150	€8,000	€4,100	The specification the car launched with.
LCI Facelift (LCI)	2012–2015	€3,300	€5,600	€8,700	€4,450	Revised grille, lights and bumpers (B8.5); EA888 gen-3 replaced gen-2 in the 2.0 TFSI; Eight-speed multitronic replaced the earlier CVT on front-drive cars

Known issues, ranked by expected cost

Faults recorded against this engine, its components and its chassis, ranked by likelihood × repair cost. Costs are indicative ranges with a stated labour basis.

Multitronic CVT failure0AW-MULTITRONIC€1,800–€4,000

Juddering when pulling away, hesitation, slipping under load, limp mode, or a whine that rises with road speed. The chain-and-pulley CVT wears, and the mechatronic unit and clutch pack fail. Fluid condition drives it and the fluid isn't lifetime, whatever the book says.

Check: Drive from cold in traffic, then accelerate hard from a standstill. Any judder, hesitation or flare is a walk-away. Ask when the fluid was last changed, 'never' or 'it's sealed' prices in a gearbox.

TransmissioncommonPartly detectablewalk away without proofevidence: documented120–220k km

Timing chain tensioner failureea888-chain-tensioner€900–€1,800

Rattle for a second or two on cold start, chain noise from the back of the engine, timing correlation faults, or no start after the car has stood. The early hydraulic tensioner can lose tension and allow the chain to jump. The chain is at the gearbox end of the engine, so access is poor and a failure usually bends valves.

Check: Insist on a stone-cold start and stand at the bulkhead end of the engine. Any rattle beyond the first half-second is this until proven otherwise. Ask for a tensioner receipt with the part number. The revised part is the fix, not the mileage.

Later parts: Revised tensioner part number; fitted from later production

EnginecommonDetectable at viewingwalk away without proofevidence: documented60–180k km

Carbon buildup on intake valvesdirect injection€400–€700

Rough cold idle, slow throttle response, misfires, gradual loss of low-end response. Direct injection puts no fuel over the intake valves, so crankcase vapour deposits bake on undisturbed.

Check: Not visible without a borescope. Treat it as a service item that's due unless there's a receipt. It's not a fault, it's an unbudgeted maintenance cost.

Turbo & intakeuniversalNot detectable at viewingevidence: documented80–120k km

Front control arm bushing wearE9x chassis€300–€700

Knocking over bad surfaces, vague or wandering steering, uneven front tyre wear, steering shimmy under braking. The front lower arm bushings are a known wear item on this chassis and go well before the ball joints.

Check: Drive over a rough road at low speed with the windows down and listen. Check the inside edges of the front tyres for feathering.

SuspensionuniversalDetectable at viewingevidence: documented80–150k km

Run-flat tyres and kerbed or cracked wheelsE9x chassis€150–€900

Harsh ride, vibration at speed, slow punctures. Stiff-sidewall run-flats transmit impacts straight into the rim, and these alloys crack rather than bend.

Check: Inspect the inner rim edge of every wheel for cracks and hairline splits, not just the face for kerbing. Budget for a set of conventional tyres; most owners switch and the ride improves markedly.

SuspensioncommonDetectable at viewingevidence: documented

Corrosion at the rear subframe and arch seamsE9x chassis€300–€2,000

Bubbling at the rear arch lip, scaling on subframe mounting points and rear suspension components. Age plus road salt. This generation isn't a notorious rotter, but nothing from 2005–2013 is immune in a salted market.

Check: Put it on a lift and look at the rear subframe mounting points and the arch lips from behind. Largely a non-issue on cars from southern Europe, a real one on northern and Baltic cars.

Body & corrosionoccasionalDetectable at viewingevidence: documented

Footwell module (FRM) failureE9x chassis€150–€700

Headlights, indicators, windows, wipers and central locking stop working at once, usually right after a battery change or a jump start. The module's memory corrupts when supply voltage dips. It is the single most common electrical failure on this generation.

Check: Test every window, both mirrors, the wipers, all exterior lights and the central locking before you drive. If any cluster of these is dead, this is why.

ElectricalcommonDetectable at viewingevidence: documented

Rear shock mount wearE9x chassis€250–€500

Knock from the rear over speed bumps, a hollow thump from the boot area. The rubber mounts perish. On hard-used cars the mount can crack the surrounding turret metal, which is a far bigger job.

Check: Lift the boot floor and look at the top of the shock towers for cracking or a lifted mount. Listen for a knock over bumps.

SuspensioncommonDetectable at viewingevidence: documented100–180k km

Ranked by probability × repair cost, not by how loudly a failure is discussed. Inherited from the engine, gearbox, chassis and shared components, each written once. All 12 issues in full →

Mileage and servicing

What the odometer does and doesn't tell you here, plus the service items whose neglect causes the expensive failures above.

Often the lowest-mileage cars in the range because they were bought by people doing short trips, which is exactly the use that coke up a direct-injection petrol.

Service item	Interval	Cost
Engine oil Chain wear tracks oil condition	10,000 km or annually	€100–150
Timing chain tensioner A jumped chain bends valves	inspect at every cold start	free to check
Intake valve inspection Direct injection cokes the valves on short-trip cars	from 100,000 km	€300–600 to clean

What to pay

What this engine sells for, against the median of every engine in the chassis. All figures are illustrative placeholders. See the basis chips.

median €5.4k

€3.0k€4.1k€8.7k

Cheapfind the reasonGood buyif it checks outFairnormal moneyOverpricedneeds justifying

Asking price (€)Mileage (km)

Enter an asking price to get a verdict against this variant's band: cheap, fair, good buy or overpriced.

United States vs Europe

1 EUR = 1.08 USD · 2026-07

🇪🇺 Europe · EUR€4,100band €3,050–€8,700

🇺🇸 United StatesNot sold1.8 TFSI CABB was never a US-market car

What that meansNo US band exists to compare. Any car you find there's a private import, parts and specialist knowledge are thinner, and the price says more about import cost than about the market.

US figures are the EU band converted at a stated rate. No US market differential is modelled: we hold no sourced US asking prices, and inventing one would be worse than saying so. What the comparison does show for real is availability. Most of this range was never sold in the US.

ModelAudi A4 1.8 TFSI
ChassisB8 Avant
EngineCABB
Years2008–2015
MarketCentral EU
Windowrolling 12 months to 2026-07

Good buy at or under the marker · Median asking price · bar spans the 10th to 90th percentile · dashed line is the b8 avant median, all 5 engines

Good buy isn't the same as cheapest. Any car without documentation for multitronic cvt failure and timing chain tensioner failure should be priced as if the repair is still owed. Full breakdown by facelift phase →

Buyer notes

Our judgement, kept separate from the records it's built on.

Our read, not a record

The 1.8 TFSI exists to make the entry price look reasonable, and it drives perfectly well. The arithmetic is the problem. It shares the EA888 tensioner risk with the 2.0, so a failure costs the same to fix on a car worth noticeably less. It's also the engine most likely to have lived a short-trip life, which means carbon on the intake valves. Cheap to insure and tax, fine to drive, and worth buying only if the tensioner paperwork exists. Otherwise the 2.0 TDI is the better value at the same money.

Everything above this line comes from the issue and specification records. This paragraph is our judgement on top of them. See how we reach it.

Full specification

Manufacturer figures for this engine and body, as recorded in the variant and engine data.

Engine code	CABB 1.8 TFSI
Configuration	I4, turbocharged · 1798 cc
Fuel / injection	petrol · direct
Model years	2008–2015
Facelift phase	Sold either side of the 2012 facelift, 2008–2011 pre, 2012–2015 LCI
Power / torque	160 PS · 250 Nm
Transmissions	6-speed manual · CVT (multitronic)
Gearbox families	0AW-MULTITRONIC
Drivetrain	FWD
Economy (real-world)	7.5–9.5 l/100 km mixed
Markets	EU

1.8 TFSI CABB

Overview

Pre-facelift or facelift, this engine spans both

Known issues, ranked by expected cost

Pre-purchase inspection

1Cold startYou get one. If the engine is warm when you arrive, come back another day.

2Static checksEngine off, ideally on a lift.

3On the driveInclude low-speed manoeuvring, not just an open road.

4PaperworkOn these cars the folder is most of the value.