Get quotes from trusted UK Porsche Boxster engine specialists. Compare reconditioned & used engines for Boxster to Spyder - M96/M97/9A1 covered. Get a quote before it's too late.
Rebuilt units from £2,800
Common codes: M96.20, M96.22, M96.23, M97.20
Rebuilt units from £4,200
Common codes: M96.21, M96.24, M97.21, M97.22
Rebuilt units from £5,500
Common codes: MA1.22, MA1.23, M97.24
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Most replacements completed within 3-5 days.
The cards below cover the main engines fitted to the Porsche Boxster in the UK, including documented failure causes, variant production years, and typical rebuilt engine costs based on current UK market data.
Production History
Known Failures
Specs
Petrol · 3.2L · 250-260hp · Naturally Aspirated
Replacement Cost
Typical UK rebuilt engine: £4,200-£7,800 (supply only)
Production History
Known Failures
Specs
Petrol · 3.4L · 295hp · Naturally Aspirated
Replacement Cost
Typical UK rebuilt engine: £4,800-£8,500 (supply only)
Production History
Known Failures
Specs
Petrol · 2.0L · 300hp · Turbocharged
Replacement Cost
Typical UK rebuilt engine: £5,500-£9,200 (supply only)
Customer Reviews
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Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Pete
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
Sophie
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
- Jimmy, London
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Not sure which variant your Porsche Boxster 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 Porsche Boxster 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 petrol and performance engine families across Porsche Boxster variants.
Extracted from detailed petrol and performance engine families across Porsche Boxster variants.
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 Porsche Boxster engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
The Porsche Boxster's flat-six engines deliver iconic performance but face well-documented challenges, particularly IMS bearing failure on M96 units and timing chain...
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
Why M96 Porsche Boxster Engines Fail Prematurely
Production Years: 1997 - 2004
Engine: 986 / M96.20 / M96.21 / M96.22 / M96.23 / M96.24
Typical failure window
The intermediate shaft bearing uses a sealed design that can degrade over time, allowing metal particles to enter the engine and cause catastrophic damage if the bearing fails completely.
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Preventative IMS Upgrade - Replace bearing before failure Minor | £1,800 - £2,800 | £950 - £1,600 | Remove gearbox, install upgraded open-bearing IMS kit with improved seals | Preventative only; viable if caught before symptoms appear, extends engine life significantly |
Full Replacement - Rebuilt M96 Engine - Address catastrophic failure Best Value | £6,500 - £11,000 | £4,200 - £7,800 | Supply & fit rebuilt engine with upgraded IMS, new seals, bench-tested, 12-month warranty | Best value when failure has occurred; upgraded components address original weak point |
If your M96 Boxster is under 80k miles with no symptoms, a preventative IMS upgrade from a specialist offers excellent value. If you're hearing rattles or have confirmed failure, replacement with a rebuilt unit featuring upgraded internals is the only reliable solution.
From IMS bearing concerns on classic 986 models to turbo wastegate issues on modern 718 variants, EngineMarket makes it simple to compare prices from trusted UK Porsche Boxster specialists. Every rebuilt engine includes upgraded components addressing the original failure point, plus a minimum 12-month unlimited mileage warranty and nationwide delivery. Compare quotes today and get back on the road without the main dealer premium.
Compare Porsche Boxster Engine Replacement Prices Now →
Every Porsche Boxster engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Porsche Boxster Reconditioned Engines (Recon)£3,200 - £6,800(supply only)
Porsche Boxster Rebuilt Engines£4,200 - £9,200(supply only)
Porsche Boxster Used Engines£1,800 - £4,200(supply only)
Porsche Boxster Remanufactured Engines£5,500 - £11,500(supply only)
Complete engine replacement service including delivery, fitting, fluids and commissioning by vetted UK Porsche Boxster specialists.
Every displacement fitted to the Porsche Boxster is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The entry-level flat-six for the original 986 Boxster, offering smooth naturally-aspirated performance but susceptible to IMS bearing issues that dominate UK replacement enquiries for this displacement.
| ENGINE CODE(S) | M96.20 |
| COMPATIBLE MODELS (UK) | Boxster 2.5 (986, 1997-1999), Boxster 2.5 Tiptronic |
| PRODUCTION YEARS | 986, 1997-1999 |
IMS bearing wear, rear main seal leaks on higher-mileage units
Not sure which engine size your Porsche Boxster needs- Enter your registration number above - we'll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty from UK Porsche Boxster specialists.
Fuel Type
Choose your Porsche Boxster engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early 2.5L naturally aspirated to the latest 718 turbocharged units.
All Porsche Boxster models use petrol flat-six or flat-four engines; naturally aspirated units dominate classic 986/987 generations while modern 718 variants feature turbocharged displacement.
Not sure which fuel type your Porsche Boxster 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 Porsche Boxster specialists.
This section covers all major engine changes across the Boxster's production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
Typical rebuilt Porsche Boxster engine prices range from £2,800 for entry 2.5L units to £11,500 for rare Spyder 3.8L engines, with supply-only pricing; supply & fit adds £800-£1,800 depending on location and workshop.
The M97.20 2.9L and later M97-family engines (2009-2012) show improved reliability over earlier M96 units, with direct injection reducing some failure patterns though carbon buildup requires attention on higher mileage.
Engine swaps between Boxster variants are technically possible but require significant modification to ECU, wiring and ancillaries; most UK owners opt for direct like-for-like replacement to ensure MOT compliance and insurance validity.
Supply-only engine delivery typically takes 3-7 working days from UK specialists; full supply & fit service requires 2-4 days workshop time depending on variant complexity and ancillary work required.
All rebuilt and reconditioned Porsche Boxster engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty; used engines typically carry shorter 3-6 month coverage depending on supplier terms.
Your Porsche Boxster engine code is stamped on the engine block near the oil filter housing and listed on your V5C registration document; enter your registration above for instant DVLA-verified code identification.
For Boxsters in good overall condition with desirable variants like S 3.2 or GTS, engine replacement typically offers better value than purchasing a replacement vehicle, especially when using rebuilt units with upgraded components.
While technically possible for experienced mechanics, Porsche Boxster engine replacement requires specialist tools, alignment equipment and ECU coding knowledge; most UK owners achieve better value using vetted specialist supply & fit services.
Rebuilt Porsche Boxster engines undergo comprehensive refurbishment with upgraded components addressing known failures and include 12-month warranty; used engines are donor units with verified mileage but shorter warranty and no component upgrades.
Most rebuilt and reconditioned Porsche Boxster engines are supplied without ECU; your existing ECU can typically be reused after adaptation, though some specialists offer ECU-inclusive packages for complex variants or damaged donor vehicles.
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Join thousands of UK drivers who compare Porsche Boxster engine prices through our network of trusted specialists - every rebuilt and reconditioned unit backed by a minimum 12-month unlimited mileage warranty and nationwide delivery.
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UK Engine Replacement Services for Porsche Boxster
Covering every variant from entry 2.5 to Spyder 3.8, with supply-only or full supply & fit available nationwide.
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