Insignia 2.0 CDTi Diesel Engines
from £1,100 to £3,800
Rebuilt units from £1,100 · Common codes: A20DTH, B20DTH, A20DTF, B20DFT
Get quotes from trusted UK Vauxhall Insignia engine specialists. Compare reconditioned, rebuilt and used prices for 1.6L to 2.0L CDTi & petrol - A20DTH, B20DTH & A16XHT covered. Compare supply & fit options today.
Insignia 2.0 CDTi Diesel Engines
from £1,100 to £3,800
Rebuilt units from £1,100 · Common codes: A20DTH, B20DTH, A20DTF, B20DFT
Insignia 1.4/1.6 Turbo Petrol Engines
from £950 to £3,200
Rebuilt units from £950 · Common codes: A14NET, B14XFT, A16LET, B16SHT
Insignia VXR 2.8 V6 Turbo Engines
from £2,800 to £5,500
Rebuilt units from £2,800 · Common codes: A28NET, A20NFT, B20NFT

Most replacements completed within 3-5 days.
The table below shows typical UK rebuilt engine costs across Vauxhall Insignia variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.


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Not sure which variant your Vauxhall Insignia is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Every engine code fitted to the Vauxhall Insignia 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.
Extracted from detailed diesel engine families across Vauxhall Insignia variants.

A20DTH - 2.0L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
Avg. rebuilt price
£1,100 - £2,400
Supply only
Technical specifications
Common failures
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 Vauxhall Insignia engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

The Vauxhall Insignia's 2.0 CDTi diesel and 1.4/1.6 Turbo petrol engines dominate UK replacement enquiries, with timing chain, EGR/DPF, and oil consumption issues driving most failures. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month unlimited...
Vauxhall Insignia 2.0 CDTi Timing Chain Failure
Most affected vehicles
Vauxhall Insignia Design, SE, SRi, Elite (2008-2017, A20DTH & B20DTH)
Failure mileage range
60,000-100,000 miles
Typical failure window
Root cause
Timing chain tensioner wear allows chain slack, causing rattling on cold start and potential catastrophic engine damage if ignored.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Tensioner Replacement - Replace tensioner and guides before failure | £1,200 - £2,000 | £800 - £1,400 | Remove timing cover, replace tensioner, guides and chain if worn | Viable only if caught early before chain jump; prevents catastrophic failure |
| Full Replacement - Rebuilt / Reconditioned Engine - Complete engine swap with warranty | £2,500 - £4,000 | £1,100 - £2,400 + fitting | Supply and fit rebuilt engine with upgraded tensioner, bench tested, 12-month warranty | Best value once chain has jumped or engine has high mileage; includes all upgraded components |
Our recommendation
If you hear rattling on cold start with an A20DTH engine, get a diagnostic immediately - driving on risks catastrophic failure. On an Insignia worth £3,000-£6,000, a rebuilt engine with upgraded tensioner is often more economical than chain repair alone.
Compare rebuilt A20DTH engine prices for your Vauxhall Insignia
Every Vauxhall Insignia engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Compare Vauxhall Insignia 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 Vauxhall Insignia within hours.

Every displacement fitted to the Vauxhall Insignia is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The 1.6L CDTi diesel powered entry-level Design and SE variants across both Mk1 and Mk2 generations, offering efficient performance for urban and motorway driving with lower replacement costs than larger diesels.
Engine Code(s)
A16DTR, B16DTR
Compatible Models (UK)
Design (F07/F68, 2008-2017), SE (F07/F68, 2008-2017), Sports Tourer
Power output
Verified by registration
Common Failure Points
EGR valve clogging, DPF regeneration issues on short-journey vehicles
Production Years: F35, 2017-2022
Get quotes for Vauxhall Insignia 1.6L diesel engines
Choose your Vauxhall Insignia engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early 1.6 CDTi to the latest 2.0 Turbo petrol.
Diesel engines dominated Insignia sales across Mk1 (2008-2017) and Mk2 (2017-2022) generations, with the 2.0 CDTi driving most UK replacement enquiries due to timing chain and emissions system issues.
Common Vauxhall Insignia Diesel Engine Families
Found In
Known For
Typical Diesel Models
Diesel engines dominated Insignia sales across Mk1 (2008-2017) and Mk2 (2017-2022) generations, with the 2.0 CDTi driving most UK replacement enquiries due to timing chain and emissions system issues.
Common Vauxhall Insignia Diesel Engine Families
Found In
Known For
Typical Diesel Models
Petrol engines, particularly Turbo variants, powered performance-focused SRi and Elite trims across both generations, with oil consumption and turbo issues driving replacement enquiries on higher-mileage examples.
Common Vauxhall Insignia Petrol Engine Families
Found In
Known For
Typical Petrol Models
Mild hybrid technology was introduced on late Mk2 diesel variants, combining a 1.6 CDTi engine with a 48V starter-generator for improved efficiency and reduced emissions.
Vauxhall Insignia MHEV Engine Codes
Found In
Important Notes
Not sure which fuel type your Vauxhall Insignia 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 Vauxhall Insignia specialists.

This section covers all major engine changes across the Vauxhall Insignia's production timeline (2008-2022), organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
▣Main Engines
A14NET- 1.4L turbo petrol (Design/SE)
A16XER- 1.6L NA petrol (Base/Design)
A18XER- 1.8L NA petrol (SE)
A20DTH- 2.0L CDTi diesel (Design/SE/SRi/Elite)
A20DTF- 2.0L CDTi diesel 130bhp (Design/SE)
▰Popular Models
🔧Known For
Engine Codes Covered:
A14NETA16XERA18XERA20DTHA20DTFZ20NET