Audi Q5 2.0 TDI / 40 TDI Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Audi Q5 2.0 TDI / 40 TDI engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most reliable, cost-effective solution for your premium quattro SUV.
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12-Month Warranty
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From £3,200 to £6,000 [EM-QUOTE]
Used from £900 · Reconditioned from £2,200 · Common codes: CAHA, CGLB, CNHA, DEJA
From £900
Tested, bare/short engine
From £2,200
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Audi Q5 2.0 TDI / 40 TDI Replacement Engineto Finding the Best Audi Q5 2.0 TDI / 40 TDI Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryAudi Q5 2.0 TDI / 40 TDI - Engine History & Specs at a Glance
When the Q5 launched, the 2.0 TDI quickly became the backbone of the range, evolving from the EA189 architecture in the 8R generation to the highly refined EA288 and the modern "40 TDI" power badge in the FY generation.
Variant HistoryAudi Q5 2.0 TDI / 40 TDI - Engine History & Specs at a Glance
When the Q5 launched, the 2.0 TDI quickly became the backbone of the range, evolving from the EA189 architecture in the 8R generation to the highly refined EA288 and the modern "40 TDI" power badge in the FY generation.
Audi Q5 2.0 TDI / 40 TDI
Fuel TypeDiesel (with 12V MHEV on 2020+ models)
Engine Size Range2.0L (1,968cc)
Power Output Range177hp-204hp across the variant's historyEngine History Timeline
CAHA 2.0L TDI (177hp), launched in the 8R generation as the entry-level diesel workhorse.
CGLB 2.0L TDI (190hp), introduced during the 8R facelift with improved efficiency and Euro 5 compliance.
CNHA 2.0L TDI (190hp), carried over to the all-new FY generation on the MLB Evo platform, later adopting the "40 TDI" badge.
DEJA / DEJB 2.0L TDI (204hp) with 12V mild-hybrid technology, launched in the FY facelift strictly under the 40 TDI badge for Euro 6d compliance.
Key Specs Snapshot
Fuel TypeDiesel (with 12V MHEV on 2020+ models)Engine Size Range2.0L (1,968cc)Power Output Range177hp-204hp across the variant's historyYears Produced2008-presentEvery engine fitted to the Audi Q5 2.0 TDI / 40 TDI is covered below, with UK rebuilt pricing and known failure points.
Audi Q5 2.0 TDI / 40 TDI Engine Codes - Specifications & Replacement CostAudi Q5 2.0 TDI / 40 TDI Engine Codes - Specifications & Replacement Cost
2.0L TDI EA189 (2008-2012)
Power Output177hpYears Fitted2008-2012
Compatible Trim Levels
- 2.0 TDI SE
- 2.0 TDI S line
- 2.0 TDI quattro
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£900-£2,000
Reconditioned
Addressed known issues, tested
£2,200-£3,800
Rebuilt
Full teardown, upgraded internals
£3,200-£5,000
Common Failure
Oil pump hex shaft snapping and EGR valve coking, which can lead to sudden oil pressure loss and catastrophic engine seizure if the warning lights are ignored.
The Audi Q5 2.0 TDI / 40 TDI is a highly capable premium SUV, but its complex diesel architecture introduces specific failure points across the 8R and FY generations. The EA189 (CAHA/CGLB) and EA288 (CNHA/DEJA) engine codes dominate replacement demand for this variant. Rebuilt engines through EnginesMarket include upgraded components addressing the original failure point, plus a minimum 12-month unlimited-mileage warranty.
Why the Audi Q5 2.0 TDI (CAHA/CGLB) Wears Prematurely
Affected Vehicles
Audi Q5 2.0 TDI / 40 TDI (CAHA, CGLB, 2008-2017)
Typical Failure Mileage
70,000-120,000 miles
Root Cause
The oil pump hex shaft can snap due to wear, or the timing chain tensioner fails, resulting in sudden oil starvation or valve-to-piston interference that destroys the engine internally.
Why It Happens
The oil pump hex shaft can snap due to wear, or the timing chain tensioner fails, resulting in sudden oil starvation or valve-to-piston interference that destroys the engine internally.
Dealer (parts + labour)
£1,800-£2,500
Specialist (parts + labour)
£900-£1,500
What it involves
Drop sump, replace hex shaft, oil pump, and timing chain tensioner
Suitability
Highly recommended as a preventative measure before catastrophic failure
1 - 2 daysDealer (parts + labour)
£5,500-£8,500
Specialist (parts + labour)
£3,200-£5,000
What it involves
Supply & fit, upgraded oil pump drive components, 12-month warranty
Suitability
The only viable option if the engine has already seized or suffered valve damage
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Preventative Oil Pump / Chain Kit Minor | £1,800-£2,500 | £900-£1,500 | Drop sump, replace hex shaft, oil pump, and timing chain tensioner | Highly recommended as a preventative measure before catastrophic failure | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £5,500-£8,500 | £3,200-£5,000 | Supply & fit, upgraded oil pump drive components, 12-month warranty | The only viable option if the engine has already seized or suffered valve damage | 1 - 2 days |
Our Recommendation
Our Recommendation
For the 8R 2.0 TDI, if the engine is still running but you suspect oil pump or chain wear, a specialist preventative kit replacement is vastly cheaper than waiting for it to seize. However, if the hex shaft has already snapped or the chain has jumped, a rebuilt engine with an uprated oil pump drive is your only reliable path forward. For the FY 40 TDI, address coolant leaks immediately; a £1,000 specialist water pump and EGR upgrade is a minor expense compared to a £4,500+ full engine replacement.
Don't Let Engine Failure Write Off Your Audi Q5 2.0 TDI / 40 TDI
Premium SUV engine replacements require precise VAG calibration and quattro drivetrain knowledge. By comparing quotes through EnginesMarket, you avoid main dealer premiums while securing a rebuilt engine with upgraded components, a 12-month unlimited-mileage warranty, and nationwide supply & fit options tailored to your exact variant.
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
Audi Q5 2.0 TDI / 40 TDI Engine ReplacementFrequently Asked Questions
Question 1How much does an Audi Q5 2.0 TDI / 40 TDI engine replacement cost-
The cost to replace an Audi Q5 2.0 TDI / 40 TDI engine typically ranges from £3,200 to £6,000 for a rebuilt unit, depending on whether it is an older EA189 or newer EA288 architecture.
- Used engines start from around £900.
- Reconditioned units average £2,200-£4,500.
- Rebuilt engines with a 12-month warranty cost £3,200-£6,000.
Question 2What are the signs of oil pump hex shaft failure in an Audi Q5 2.0 TDI-
Common symptoms include a sudden red oil pressure warning light, a grinding noise from the lower engine block, and immediate engine seizure if the vehicle is not stopped instantly.
- The hex shaft drives the oil pump and wears down over time.
- It is a known weak point on early 8R CAHA and CGLB engines.
- Preventative replacement during a major service can save the engine.
Question 3Is it worth replacing the engine in an Audi Q5 8R 2.0 TDI-
Yes, if the vehicle is in good overall condition and valued above £8,000, a reconditioned or rebuilt engine is a cost-effective alternative to buying a new premium SUV.
- Rebuilt engines come with a 12-month warranty, restoring reliability.
- It is significantly cheaper than the depreciation hit of a new vehicle.
- Evaluate the scrap value first if your early 8R is valued under £6,000.
Question 4Does the Audi Q5 40 TDI replacement engine include quattro calibration-
Yes, any professional supply & fit service for the Audi Q5 2.0 TDI / 40 TDI must include ODIS coding to ensure the engine ECU communicates correctly with the quattro transfer case and transmission.
- Mismatched coding can cause drivetrain faults and limp mode.
- Specialists verify the exact engine code and software version.
- Quattro-specific mounting and cooling alignments are checked.
Question 5What is the difference between the CNHA and DEJA engine codes in the Audi Q5 40 TDI-
The CNHA is the standard 2.0L EA288 TDI (190hp) used in early FY models (2017-2020), while the DEJA is the updated EA288 Evo (204hp) featuring a 12V mild-hybrid system for the facelift models (2020-present).
- The DEJA requires specific 48V battery and alternator calibration.
- They are not directly interchangeable without extensive wiring and ECU swaps.
- Replacement pricing for the DEJA reflects the added MHEV complexity.
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