Audi A1 TDI Diesel Engines
from £895 to £3,200
Rebuilt units from £895 · Common codes: CAYB, CAYC, CXMA, CFHD
AUDI A1 ENGINE MARKETPLACE
Audi A1 Engine Replacement - Compare Prices & Save
Get quotes from trusted UK Audi A1 engine specialists. Compare reconditioned & used engines for 1.0 TFSI to S1 - EA211/EA111 covered. Find the best value for your budget.
Supply & Fit Available
12-Month Warranty
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Audi A1 TFSI Petrol Engines
from £795 to £2,900
Rebuilt units from £795 · Common codes: CBZA, CAXA, CHZB, DKJA
Audi A1 Performance Engines
from £2,500 to £4,500
Rebuilt units from £2,500 · Common codes: CAVG, CTHG, CWZA, CDLH
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Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Audi A1 Replacement Engineto Finding the Best Audi A1 Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
What Are UK Drivers Paying for Audi A1 Engine Replacement
Table shows typical UK rebuilt Audi A1 engine replacement costs by variant, covering failure causes, engine codes, fuel types and engine sizes.
Average Market Prices
↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Audi A1 Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Audi A1 engines through EngineMarket.
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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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Variants We Cover
Audi A1 Engine ReplacementAll Variants Covered
Not sure which variant your Audi A1 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
A1
Engine Codes
Audi A1 Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Audi A1 across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Diesel Engines
Extracted from detailed diesel engine families across Audi A1 variants.
CAYB - 1.6L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
1.6 TDI 90 SE1.6 TDI 90 Sport1.6 TDI 90 S line1.6 TDI 90 Sportback SE1.6 TDI 90 Sportback Sport
Avg. rebuilt price
£850 - £1,900
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 1.6L
- Power output
- 90 hp
- Years fitted
- 2010-2018
Common failures
- ●Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which engine code?
Can't find your engine code- Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Audi A1 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
A1
Common Problems
Audi A1 Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Audi A1's most replacement-prone engines are the 1.2/1.4 TFSI petrol units and 1.6 TDI diesel variants, with timing chain tensioner wear, turbocharger fatigue and DPF/EGR issues driving the majority of enquiries. Every rebuilt Audi A1 engine supplied through EngineMarket includes upgraded internal components designed to address the original failure...
Timing Chain Tensioner Failure - Why Audi A1 1.2/1.4 TFSI Engines Fail Prematurely
Timing Chain Tensioner Failure
Most affected vehicles
Audi A1 1.2 TFSI (CBZA)1.4 TFSI 122 (CAXA)
Audi A1 1.2 TFSI (CBZA), 1.4 TFSI 122 (CAXA), 1.4 TFSI 185 (CAVG/CTHG) · 2010-2018
Failure mileage range
50,000-80,000 miles
Typical failure window
Root cause
Hydraulic tensioner loses oil pressure over time, allowing the timing chain to stretch and slap against guides; once the chain jumps a tooth, valve timing is lost and catastrophic piston-to-valve contact occurs.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Chain & Tensioner Replacement | £1,800 - £2,800 | £950 - £1,600 | Remove timing cover, replace chain, tensioner, guides and seals; reset engine timing | Viable only if caught before rattling noise or misfire; prevents catastrophic failure |
| Full Replacement - Rebuilt / Reconditioned Engine | £3,200 - £4,500 | £795 - £2,100 | Supply & fit of rebuilt engine with upgraded tensioner design, bench-tested, 12-month warranty | Best value once chain has jumped or engine has suffered internal damage; eliminates repeat risk |
Our recommendation
If your Audi A1 CBZA or CAXA engine is under 60k miles and you hear a brief rattling noise on cold start, a preventative timing chain service from a specialist offers strong value. Once the chain has jumped or the engine is misfiring, replacement with a rebuilt unit carrying an upgraded tensioner is the only reliable long-term solution.
Compare rebuilt CBZA/CAXA engine prices for your Audi A1Replacement Engine Options
Audi A1 Engine TypesOptions, Costs & What to Expect
Every engine type is available through our UK network with typical price ranges based on your exact variant, engine code and budget.
Audi A1 Reconditioned Engines (Recon)£850 - £2,400((supply only))
Audi A1 Rebuilt Engines£900 - £2,600((supply only))
Audi A1 Used Engines£600 - £1,500((supply only))
Audi A1 Remanufactured Engines£1,400 - £3,200((supply only))
Audi A1 Refurbished Engines£700 - £1,900((supply only))
Compare Audi A1 engine prices with vetted UK suppliers
All engine types include a minimum 12-month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Audi A1 within hours.
Engine Sizes
Audi A1 Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Audi A1 is listed below with compatible engine codes, production years and common failure notes to help you identify the right replacement unit.
The 1.4L TDI was a limited-run entry diesel for early first-generation A1 models, offering economical running for urban drivers before the 1.6L unit became the core diesel offering. It featured common-rail injection and DPF technology but saw limited UK fitment compared to larger diesel displacements.
⚙
Engine Code(s)
CFWA
▣
Compatible Models (UK)
1.4 TDI 90 SE, Sport
ϟ
Power output
Verified by registration
△
Common Failure Points
DPF clogging on short-journey use, EGR valve sticking at higher mileage
Production Years: 8X, 2010-2014
Get quotes for Audi A1 1.4L diesel enginesAudi A1 Engines Fuel Type
Audi A1 Engines by Fuel Type
Choose your Audi A1 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early 1.2 TFSI petrol to the latest 1.5 TFSI and 1.6 TDI diesel units.
Audi A1 Diesel Engines
DieselThe Audi A1 diesel range spans 1.4L to 2.0L TDI units across both generations, with the 1.6L TDI dominating UK replacement enquiries due to high fleet usage and urban DPF-related failures.
Common Audi A1 Diesel Engine Families
- •CAYB - 1.6L TDI 90PS, entry diesel for SE/Sport trims, DPF clogging on short journeys
- •CAYC/CXMA - 1.6L TDI 105PS, highest-volume diesel replacement, EGR valve failure common
- •CFHD - 2.0L TDI 143PS, performance diesel for S line/quattro, injector seal wear at mileage
Found In
- •First Generation (8X, 2010-2018) - CAYB, CAYC, CFWA, CFHD
- •Second Generation (GB, 2018-2022) - CXMA (late first-gen carryover)
Known For
- •Excellent motorway fuel economy and low company car tax appeal
- •DPF regeneration failures on urban stop-start driving cycles
- •EGR cooler leaks causing coolant loss on 105PS variants
Typical Diesel Models
- •1.6 TDI 90 SE / Sport / S line
- •1.6 TDI 105 SE / Sport / S line / Black Edition
- •1.6 TDI 105 Sportback variants
1 of 3
Audi A1 Diesel Engines
DieselThe Audi A1 diesel range spans 1.4L to 2.0L TDI units across both generations, with the 1.6L TDI dominating UK replacement enquiries due to high fleet usage and urban DPF-related failures.
Common Audi A1 Diesel Engine Families
- •CAYB - 1.6L TDI 90PS, entry diesel for SE/Sport trims, DPF clogging on short journeys
- •CAYC/CXMA - 1.6L TDI 105PS, highest-volume diesel replacement, EGR valve failure common
- •CFHD - 2.0L TDI 143PS, performance diesel for S line/quattro, injector seal wear at mileage
Found In
- •First Generation (8X, 2010-2018) - CAYB, CAYC, CFWA, CFHD
- •Second Generation (GB, 2018-2022) - CXMA (late first-gen carryover)
Known For
- •Excellent motorway fuel economy and low company car tax appeal
- •DPF regeneration failures on urban stop-start driving cycles
- •EGR cooler leaks causing coolant loss on 105PS variants
Typical Diesel Models
- •1.6 TDI 90 SE / Sport / S line
- •1.6 TDI 105 SE / Sport / S line / Black Edition
- •1.6 TDI 105 Sportback variants
Audi A1 Petrol Engines
PetrolPetrol TFSI engines power the majority of UK Audi A1 models, from entry-level 1.0L three-cylinders to the flagship 2.0L S1, with timing chain and turbo reliability defining replacement demand.
Common Audi A1 Petrol Engine Families
- •CBZA - 1.2L TFSI 86PS, entry petrol, timing chain tensioner failure at 50-70k miles
- •CAXA - 1.4L TFSI 122PS, core petrol unit, highest search volume for replacement
- •CAVG/CTHG - 1.4L TFSI 185PS, twincharger performance, turbo bearing wear common
Found In
- •First Generation (8X, 2010-2018) - CBZA, CAXA, CAVG, CTHG, CHZB, DAJB, CWZA
- •Second Generation (GB, 2018-present) - DKJA, DPCA, DKLA, DKRF
Known For
- •Strong low-end torque and refined turbocharged performance across the range
- •Timing chain tensioner wear on early 1.2/1.4 TFSI units causing catastrophic failure
- •Carbon buildup on intake valves affecting idle quality on direct-injection models
Typical Petrol Models
- •1.0 TFSI 95/116 SE / Sport / S line
- •1.2 TFSI 86 SE / Sport / S line
- •1.4 TFSI 122/140/150 Sport / S line / Black Edition
Audi A1 Hybrid / Electrified Engines
MHEVThe Audi A1 was not offered with hybrid, plug-in hybrid, or electric powertrains in the UK market - all variants use conventional petrol or diesel internal combustion engines only.
Important Notes
- •No mild hybrid (MHEV), plug-in hybrid (PHEV), or full hybrid (HEV) A1 variants were sold in the UK
- •Pure electric Audi A1 e-tron concept never reached production or UK showrooms
- •All replacement enquiries relate to conventional petrol TFSI or diesel TDI engines only
Not sure which fuel type your Audi A1 has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12-month unlimited mileage warranty from UK Audi A1 specialists.
Engine YearsGet quotes for 2010 Audi A1 replacement engines →
Audi A1 Engines by YearWhat Was Fitted & WhenAudi A1 Engines by Year - What Was Fitted & When
Covering the full 2010-present production timeline, this technical reference lets owners quickly identify their exact engine by model year and compare rebuilt engine prices from UK Audi A1 specialists.
⚙Key Changes
- ✓First-generation A1 launch as a 3-door hatchback only
- ✓Introduction of 1.2 TFSI and 1.4 TFSI turbo petrol engines
- ✓1.6 TDI common-rail diesel replaces older PD units for efficiency
- ✓Launch SE, Sport and S line trim hierarchy
▣Main Engines
CBZA- 1.2L Petrol (Entry-level SE/Sport)
CAXA- 1.4L Petrol (122PS mainstream)
CAVG- 1.4L Petrol Twincharger (185PS S line)
CAYB- 1.6L Diesel (90PS economy)
CAYC- 1.6L Diesel (105PS high demand)
▰Popular Models
- •Audi A1 1.2 TFSI SE
- •Audi A1 1.4 TFSI Sport
- •Audi A1 1.6 TDI Sport
- •Audi A1 1.6 TDI S line
🔧Known For
- ✓Premium cabin quality and refined ride for a supermini platform
- ✓Early 1.2/1.4 TFSI units prone to timing chain tensioner wear
- ✓Strong residual values and high UK registration numbers
- ✓DPF regeneration struggles on urban 1.6 TDI models
Engine Codes Covered:
CBZACAXACAVGCAYBCAYCNot sure which year your Audi A1 was built- Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12-month warranty from UK Audi A1 specialists.
FAQ