On a commercial diesel, duty history decides value. A used P5-AT should come with the donor's Reg, mileage and duty story, plus compression and oil-pressure evidence where available. Cited at 197 hp (200 PS) for the BT-50, these units are durable — but durableness doesn't survive neglect.
MAZDA REPLACEMENT ENGINES • UK
Used P5-AT Engines (3.2 Duratorq) — Buying a Donor That's Done the Work
A used P5-AT engine comes out of a vehicle that worked for a living — and that's exactly what makes its history the headline. This page shows BT-50 owners how to judge a used 3.2 Duratorq donor: what evidence matters, what to ask about wear points, and when to walk away.
Find the right engine for your Mazda
✓ Used & reconditioned✓ Supply or fitting✓ Compare quotes
What should a used P5-AT donor show?
A complete 3.2-litre Duratorq inline-five with documentation: which vehicle it served, how it was used and what's included. Installation parts vary, so variant detail belongs in the paperwork.
Which Mazda takes a used P5-AT?
Records tie the code to the Mazda BT-50. Older P4-AT listings are a different generation — a flag to check the actual marking, not a match.
Vehicle context: BT-50 hub; code context: P5-AT guide.
| Model | Generation / body | Engine | Output | Evidence status |
|---|---|---|---|---|
| Mazda BT-50 | Pickup | Diesel | 197 hp (200 PS) | Reviewed record — confirm variant by Reg |
| Other derivatives | — | — | — | Still to confirm — check the code against your Reg and Mazda EPC |
What should you check on a used P5-AT?
Two recorded wear themes lead the questions: timing chain/oil-pump drive and injectors — plus the usual workhorse checks.
Family context: engine directory.
Chain: cold-start rattle and any chain-work history.
Injectors: test data, not adjectives.
Duty cycle: towing, loads, mixed mileage — ask what the donor did.
Tests: compression and oil-pressure evidence.
Used, reconditioned or supply-and-fit — what suits a workhorse?
A tested used unit with strong evidence is usually the fastest, cheapest way back to work; reconditioned trades cost for renewed internals; supply-and-fit puts the whole job in one pair of hands.
01
Used Engine
- What it is
- A complete donor unit, tested before sale
- Best for
- Faster, cheaper routes with honest donor history
- What to compare
- Mileage records, donor Reg, compression and running-test evidence
- What it is
- A complete unit stripped, measured, machined and rebuilt
- Best for
- Owners keeping the car long-term
- What to compare
- Machining and measurement records, replaced-parts list, test results
03
Supply & Fit
- What it is
- Engine, removal, installation and commissioning in one quotation
- Best for
- One-responsibility jobs where downtime matters
- What to compare
- Written component schedule, fitting plan, warranty split and handover
UK's Most Requested Engines — Based on 5,760+ Real Quotes (Last 90 Days)
These are the engines UK drivers ask us about most, ranked by real enquiry traffic through our network — useful context when you're weighing how much homework your engine deserves.
1
Most requested
Mazda 6 2.2 SkyActiv-D Engine SH-VPTR / SHY family
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: Mazda 6
Engine option: SH-VPTR / SHY family
Top UK demand — the diesel most often researched for replacement
Seller from trusted UK supplier network
2
Mazda CX-5 2.2 SkyActiv-D Engine SHY1 / SHY4 / SHY6
Used & reconditioned · Business seller
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Typical fitment: CX-5
Engine option: SHY1 / SHY4 / SHY6
High demand; output and code vary by year
Seller from trusted UK supplier network
3
Mazda 3 2.0 SkyActiv-G Engine PE-VPS
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: Mazda 3
Engine option: PE-VPS
Volume petrol with several applications
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4
Mazda CX-3 1.5 SkyActiv-D Engine S5-DPTR
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: CX-3
Engine option: S5-DPTR
Steady CX-3 DK diesel demand
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5
Mazda 2 1.5 SkyActiv-G Engine P5-VPS
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: Mazda 2
Engine option: P5-VPS
Small-car petrol volume
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6
Mazda MX-5 1.5 / 2.0 SkyActiv-G Engine
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: MX-5
Enthusiast-driven demand
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Mazda CX-60 3.3 e-Skyactiv D Engine T3Y4
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: CX-60
Engine option: T3Y4
Newest diesel; near-new donor market
Seller from trusted UK supplier network
8
Mazda CX-30 2.0 SkyActiv-G Engine PE-VPS / PEX family
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: CX-30
Engine option: PE-VPS / PEX family
Growing volume
Seller from trusted UK supplier network
9
Mazda BT-50 3.2 Duratorq diesel Engine P5-AT
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: BT-50
Engine option: P5-AT
Commercial workhorse demand
Seller from trusted UK supplier network
10
Mazda 2.5 SkyActiv-G Petrol Engine
Used & reconditioned · Business seller
Get multiple engine quotes across the UK
Typical fitment: CX-5, Mazda 6, CX-30, Mazda 3
Higher-capacity petrol
Seller from trusted UK supplier network
How do you vet a used P5-AT before buying?
Identity: P5-AT confirmed on the unit — not a P4-AT description.
Duty history: what the donor did for a living.
Tests: compression, oil pressure where available.
Components: written list.
Terms: warranty (including commercial use), delivery, returns.
Used P5-AT questions
Is P5-AT the same as the older P4-AT?
No — different Duratorq generations. Match the marking on the engine rather than a seller's description.
What should I ask about the timing chain?
Whether it's been inspected or replaced, and for any rattle on cold start. On a used commercial engine, chain history is a key question.
How do I judge injector condition?
Ask for test data — poor starting, smoke and rough running are the symptoms, but numbers beat descriptions.
Do I need to worry about towing history?
Yes — towing and heavy loads wear bearings, turbo and cooling. Ask what the donor vehicle did.
READY FOR THE NEXT STEP?
Check My Registration →Get tested used P5-AT quotes for your BT-50
Start with your registration and demand duty history and test evidence on every offer. For official specifications and service documentation, cross-check against official documentation — source: Mazda UK's official resources.
Reviewed Mazda engine guidance
Reviewed by the MazdaReplacementEngines technical team against Mazda owner documentation and OEM-linked application records.