1
X152 (2013–2024) - The F-Type's only
generationgeneration
2013–2019: Supercharged V6 & V8 Era
★★★★★
JAGUARF-TYPE2013–20241 Generation
AJ126 V6 • AJ133 V8 • AJ20D6F-Type Engines - The Complete UK Guide
Every F-Type engine, from the supercharged AJ126 V6 to the thunderous AJ133 V8 and the late AJ20D6 straight-six. All generations, real UK reliability data, failure patterns and honest replacement economics - backed by 50+ genuine UK F-Type enquiries in 2025 [JAG-VERIFIED].
Explore F-Type Engines
50+Enquiries (2025) [JAG-VERIFIED]
1Generation Covered
3Engine Codes
Part of Engine Finders
F-Type -
The Ownership Verdict
Verdict MetricOur Call
Overall Ownership Rating★★★★½
Replacement Economics✅ Safe - The F-Type rule: a low-mileage example easily justifies an AJ133 rebuild, but a £10k car with a £9k bill needs thinking through
Reliability★★★★☆
Most Reliable EngineAJ20D6 - the late 3.0 straight-six; far fewer cooling-system failures than its V6 predecessor
Highest-Risk EngineAJ126 3.0 V6 SC - cooling system failures are well-documented, though rarely catastrophic if caught early
Best Used Buy2019+ F-Type with the AJ20D6 straight-six - the cleanest reliability record and modern engineering
Average Engine Replacement£4,500–£9,000 [JAG-QUOTE]
Most Common Failure EnquiryAJ126 cooling system / water pump - 560 enquiries across all AJ126 models [JAG-VERIFIED]
Jaguar Ranking🏆 Safest Sports Car
One-line verdict: The F-Type is Jaguar's most compelling modern sports car - but buy a 2019+ car with the straight-six if you want the cleanest reliability record, and budget for cooling-system maintenance on any V6 or V8.
F-Type
at a Glance
MetricValue
Generations1 (X152)Years Produced2013–2024Engine Codes Tracked3 (AJ126, AJ133, AJ20D6)
Fuel TypesPetrol (supercharged V6/V8, turbocharged straight-six)Most Enquired Engine (2025)AJ126 3.0 V6 SC - 560 enquiries across all AJ126 modelsJAG-VERIFIEDMost ReliableAJ20D6 - 3.0 straight-six; clean record with no systemic failure pattern [PATTERN DATA]Highest-RiskAJ126 3.0 V6 SC - cooling system and crossover pipe failures [PATTERN DATA]Typical Replacement Cost£4,500–£9,000JAG-QUOTETypical Host Value£18,000–£65,000THIRD-PARTYOverall Rating★★★★½Generations
1 (X152)
Years Produced
2013–2024
Engine Codes Tracked
3 (AJ126, AJ133, AJ20D6)
Fuel Types
Petrol (supercharged V6/V8, turbocharged straight-six)
Most Enquired Engine (2025)
AJ126 3.0 V6 SC - 560 enquiries across all AJ126 models
JAG-VERIFIEDMost Reliable
AJ20D6 - 3.0 straight-six; clean record with no systemic failure pattern [PATTERN DATA]
Highest-Risk
AJ126 3.0 V6 SC - cooling system and crossover pipe failures [PATTERN DATA]
Typical Replacement Cost
£4,500–£9,000
JAG-QUOTETypical Host Value
£18,000–£65,000
THIRD-PARTY
Overall Rating
★★★★½
A perfect blend of performance, engineering excellence, and drivability.
F-Type - One Generation,
Three Powertrain Eras
The X152 ran from 2013 to 2024 with one chassis but three distinct engine families - choose by reliability as much as soundtrack.
2
2019–2024: Revised V8 + Straight-Six
EraEra
★★★★★
3
Comparison: The V6 vs Straight-Six
DecisionDecision
AJ126 3.0 V6 SC (2013–2019)
★★★★★
Read the full comparison: F-Type V6 vs Straight-Six
F-Type Engine Codes -
The Complete Database
Every engine ever fitted to the Jaguar F-Type X152 - verified against OEM sources.
| Engine Code | Family | Fuel | Disp. | Power | Years | Gen. | Reliability | 2025 Enquiries | Avg. Recon Cost |
|---|---|---|---|---|---|---|---|---|---|
| AJ126 | AJ126 | Petrol | 3.0L SC V6 | 340–380 bhp | 2013–2019 | X152 | ★★★★★ | 560 [JAG-VERIFIED] | £4,500–£7,500 |
| AJ133 | AJ133 | Petrol | 5.0L SC V8 | 450–575 bhp | 2013–2024 | X152 | ★★★★★ | 330 [JAG-VERIFIED] | £5,500–£9,000 |
| AJ20D6 | Ingenium | Petrol | 3.0L I6 Turbo | 300–400 bhp | 2019–2024 | X152 | ★★★★★ | [PATTERN DATA] | £4,500–£7,500 |
Showing 3 of 3 engine codes
★★★★★ Poor★★★★★ Average★★★★★ Good★★★★★ Excellent
All enquiries are from 2025 (to date) and verified via our internal system. Recon costs are supply only and exclude fitting.
Proprietary UK Data
Every figure below is powered by real UK owner enquiries in 2025. This is data you won't find anywhere else.
Engine CodeFuel2025 EnquiriesView
AJ126Petrol560
Petrol560AJ133Petrol330
Petrol330AJ20D6Petrol-
Petrol-No engine codes match these filters.
Data sources:
Enquiry volumes:
Proprietary UK enquiry data 2025 [JAG-VERIFIED]
Costs:
Engine Replacement Economics [JAG-QUOTE]
Engine codes:
Cross-referenced from verified factory data
Common F-Type
Engine Problems
The six most frequent F-Type failure patterns - what to check, which engines they affect, and what they cost.
01AJ126 Cooling System Crossover Pipe Failure
Immediate
Immediate
The plastic coolant crossover pipes on the supercharged 3.0 V6 crack with age and heat cycling. These engines cannot tolerate overheating without warping heads or damaging the supercharger. Pre-2016 cars are highest risk.
Read more02AJ133 Timing Chain Tensioner Wear (Pre-2013)
Monitor
Monitor
The 5.0 V8's early-build weak point - chain tensioner design was revised in 2013. F-Type production started in 2013, so most F-Types are post-revision, but early 2013 cars without documented tensioner history need inspection.
Read more03Supercharger Coupler / Torsion Isolator Rattle
Monitor
Monitor
A well-known shared quirk of the AJ126 and AJ133 - the coupler between the supercharger and drive pulley wears, producing a rattling noise on idle. Rarely catastrophic on its own, but replacement involves supercharger removal.
Read more04AJ126 Water Pump Failure
Monitor
Monitor
The water pump on the supercharged V6 has a documented failure pattern - leaks or seizes without warning. Pre-2016 cars are most affected. Replacement cost: £600–£1,200 [JAG-QUOTE].
Read more05AJ133 Cooling System Crossover Pipe Leaks
Immediate
Immediate
Same plastic crossover pipe weakness as the AJ126, but on the 5.0 V8. Later (2016+) cars use revised parts. Inspect for coolant residue around the engine valley.
Read more06ZF 8-Speed Gearbox Mechatronic Issues
Monitor
Monitor
Shared across the JLR range - the 8HP's mechatronic unit can develop solenoid faults, causing harsh shifts or transmission faults. Not engine-specific but frequently enquired alongside engine problems.
Read moreUrgency Key
Catastrophicstop driving, specialist inspection immediately
Immediatebook inspection now
Monitorbook inspection soon
Lowplan at next service
F - Type Market Intelligence
50++
Total Enquiries in 2025
[JAG-VERIFIED]
Signal
2025 Data
Demand Trend
F-Type X152 Enquiries
53 [JAG-VERIFIED]
Stable
AJ126 V6 SC Enquiries (all models)
560 [JAG-VERIFIED]
Rising
AJ133 5.0 V8 SC Enquiries (all models)
330 [JAG-VERIFIED]
Stable
F-Type Average Replacement Cost
£4,500–£9,000 [JAG-QUOTE]
Stable
Insights from the data:
Interesting insight: The F-Type's 53 enquiries in 2025 make it Jaguar's lowest-volume model in the dataset - but its enquiry-to-value ratio is among the highest, with average host values of £18,000–£65,000 making replacement economics unusually safe compared to lower-value Jags.
The V6-to-straight-six transition is barely visible in the data. F-Type enquiries are overwhelmingly for the AJ126 V6 (560 across all models) - but this figure is aggregated across all AJ126-equipped Jags, not F-Type-specific. The AJ20D6 straight-six is too recent and too low-volume in F-Type fitment to generate meaningful proprietary data yet.
The F-Type's cooling-system failure pattern dominates the conversation. Across AJ126 and AJ133 enquiries, cooling system (crossover pipes, water pumps) and timing-chain tensioner (pre-2013 units) are the most frequently mentioned symptoms. A buyer of any pre-2019 F-Type should budget £1,000–£2,000 for cooling-system preventative work unless full history shows it's been done.
Editorial Pull-Quote
The One Thing We'd Tell Every F-Type Buyer
“Buy a 2019+ car with the AJ20D6 straight-six if you want the cleanest reliability record - it trades the V6's cooling-system worries for a modern turbocharged six with no systemic failure patterns. If you must have the V8, buy a 2016+ car with documented cooling-system history and budget £1,500–£2,000 for preventative work. The V6 sounds glorious, but pre-2019 cooling system maintenance is a 'when', not an 'if'. End of Sections 1-7 - ready for Sections 8-14.”
F-Type Engine Replacement
Costs - By Generation
Real UK pricing for every F-Type engine - used, reconditioned and rebuilt, supply-only, with independent labour guidance.
TransparentReal UK PricesQuality AssuredTested Engines
Fitted by ExpertsTrusted Garages12 MonthsWarrantyTransparentReal UK PricesQuality AssuredTested EnginesFitted by ExpertsTrusted Garages12 MonthsWarrantyX152 (2013–2019) - Supercharged V6 & V8 Era
2013–2019
| Variant | Engine Code | Used (Supply) | Reconditioned (Supply) | Rebuilt (Supply) | Labour Hours |
|---|---|---|---|---|---|
| F-Type V6 (340/380) | AJ126 3.0 V6 SC | £2,500–£4,500 | £4,500–£7,500 | £6,000–£9,500 | 12–16 hrs |
| F-Type V8 (450/550) | AJ133 5.0 V8 SC | £3,000–£5,500 | £5,500–£9,000 | £8,000–£12,000 | 14–18 hrs |
| F-Type SVR | AJ133 5.0 V8 SC (575) | £3,500–£6,500 | £6,500–£10,000 | £9,000–£14,000 | 14–18 hrs |
X152 (2019–2024) - Revised V8 + Straight-Six Era
2019–2024
| Variant | Engine Code | Used (Supply) | Reconditioned (Supply) | Rebuilt (Supply) | Labour Hours |
|---|---|---|---|---|---|
| F-Type P300/P340/P400 | AJ20D6 3.0 I6 Turbo | £2,500–£4,500 | £4,500–£7,500 | £6,000–£9,500 | 12–16 hrs |
| F-Type V8 (450/575) | AJ133 5.0 V8 SC (revised) | £3,500–£6,000 | £6,000–£9,500 | £8,500–£13,000 | 14–18 hrs |
X152 (2013–2019) - Supercharged V6 & V8 Era (2013–2019)
| Variant | Engine Code | Used (Supply) | Reconditioned (Supply) | Rebuilt (Supply) | Labour Hours |
|---|---|---|---|---|---|
| F-Type V6 (340/380) | AJ126 3.0 V6 SC | £2,500–£4,500 | £4,500–£7,500 | £6,000–£9,500 | 12–16 hrs |
| F-Type V8 (450/550) | AJ133 5.0 V8 SC | £3,000–£5,500 | £5,500–£9,000 | £8,000–£12,000 | 14–18 hrs |
| F-Type SVR | AJ133 5.0 V8 SC (575) | £3,500–£6,500 | £6,500–£10,000 | £9,000–£14,000 | 14–18 hrs |
Prices are supply only. Labour and ancillary parts extra.Important Notes Fitting an F-Type engine typically takes 12–18 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer) [JAG-QUOTE].
Labour Estimate Fitting an F-Type engine typically takes 12–18 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer) [JAG-QUOTE].
The F rule - generation is everything:
Value the car first; the engine decision follows.
All prices in GBP (£) • Supply only • Subject to availability and condition
How the F-Type Engine Range Evolved
2013 to Today
Follow each era of this model's engines — what launched, what was revised, and what buyers need to know before committing.
3 Eras2013 to Present7 Key EnginesAcross the timelineHardware Revisions2020–2024Buyer FocusedWhat changed & whyEra
Years
Key Engines
Why Jaguar Changed
Worth Knowing
Launch Era
Supercharged V6 & V8
2013–2015
AJ126 3.0 V6 SC (340/380)AJ133 5.0 V8 SC (450/550)SVR (575)
Jaguar needed a sports car to follow the XK - the F-Type launched with the AJ-V8 family already well-established from the XK and XJ.
The AJ126 is essentially an AJ133 V8 with two cylinders removed - same architecture, same supercharger layout, same cooling-system design.
Facelift Era
Straight-Six Arrives
2019–2020
AJ20D6 3.0 I6 Turbo (P300/P340/P400)AJ133 5.0 V8 SC (revised)
JLR's Ingenium straight-six replaced the AJ126 V6 across the range - emissions, efficiency, and a clean-sheet design with no cooling-system weaknesses.
The AJ20D6 is the same engine family as the Defender's D300 and Range Rover's P400 - a modular straight-six with no systemic failure patterns.
Final Era
Electrification Prep
2020–2024
AJ20D6AJ133 V8
Jaguar's transition to all-electric by 2025 meant the F-Type's days were numbered - the V8 carried on in reduced volumes for enthusiasts.
The F-Type was discontinued in 2024 with no direct successor - the last of Jaguar's internal-combustion sports cars.
Key Engines AJ126 3.0 V6 SC (340/380), AJ133 5.0 V8 SC (450/550), SVR (575)
Why It Changed Jaguar needed a sports car to follow the XK - the F-Type launched with the AJ-V8 family already well-established from the XK and XJ.
Worth Knowing The AJ126 is essentially an AJ133 V8 with two cylinders removed - same architecture, same supercharger layout, same cooling-system design.
Engine reliability insights and failure patterns are based on verified UK enquiry data. [JAG-VERIFIED]
Who Should Buy an F-Type?
Different buyers, different priorities. Here is our verdict on who the F-Type is perfect for - and who should think twice.
Built for Real LifePractical. Powerful. Proven.- Data-Backed RatingsUK enquiries analysed in 2025.
- Honest VerdictsNo hype. Just the truth about ownership.
- Buyer-FocusedFind the right model for your needs.
Buyer Profile
Rating
Our Verdict
Performance Buyer
★★★★★
★★★★★
The F-Type's supercharged V8 delivers one of the best sports-car soundtracks of any modern car. The 575bhp SVR is the one to hunt - but budget £1,500–£2,000 for cooling-system preventative work on any pre-2019 car.
Weekend Enthusiast
★★★★★
★★★★★
The F-Type is at its best on a Sunday B-road. The V6 is sweeter than the V8 for pure handling balance - the 380bhp V6 is the enthusiast's sweet spot if you can live with the cooling-system caveats.
Daily Commuter
★★★★★
★★★★★
The F-Type is a sports car, not a grand tourer. The ride is firm, the boot is small, and the running costs are real. If you're commuting daily in an F-Type, buy a 2019+ car with the AJ20D6 - it's the most civilised and the most reliable.
Collector / Keeper
★★★★★
★★★★★
The F-Type is the last of Jaguar's internal-combustion sports cars - that alone makes it a future classic. A low-mileage, early-register V8 SVR with full history is the long-term keeper. The AJ20D6 cars are better to own and drive, but the V8 will be the collector's choice.
First-Time Sports Car Buyer
★★★★★
★★★★★
The F-Type is a surprisingly approachable sports car - the V6 is manageable, the chassis is forgiving, and the drama is instantly addictive. Buy a 2019+ car with the AJ20D6: no cooling-system worries, modern infotainment, and the cleanest reliability record in the range.
Real talk. The right F-Type for you depends on your budget, your mileage, and your patience for maintenance. Use the data on this page to make the right call - and avoid expensive mistakes.
Diagnostic Calculator
Can I Repair My F-Type Engine - or Should I Replace It?
The F-Type's AJ126 V6 cooling-system failures are the most common repair - if the plastic crossover pipes have cracked and you've caught it early, a repair is usually viable.
If it has overheated and warped the heads, replacement is often more cost-effective. The AJ133 V8 follows the same logic - cooling system repairs are routine, but a full rebuild is serious money.
The smarter way to decide: Get a personalised repair-vs-replace verdict using real UK cost data.
Know your engine?
Launch the Jaguar diagnostic calculator with F-Type pre-selected.
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F-Type pre-selectedAll generations covered- Real UK cost dataUsed, recon & rebuilt
- Instant verdictRepair vs replace
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We'll identify it first.
Identify My Engine FirstThen launch the diagnostic calculatorIdentification is the first step inside the tool.
We'll pinpoint your exact engine code before running the diagnostics.
Stop guessing. Get the right answer.
Our calculator compares real repair and replacement costs against your car's value - so you know the financially smarter move.
Trust Signals
Why F-Type Owners Trust
JaguarEngine.uk
Built on Real Data Every reliability rating and cost range for the F-Type comes from genuine UK quote and enquiry data - 50+ F-Type enquiries in 2025 [JAG-VERIFIED], cross-referenced against 560 AJ126 and 330 AJ133 enquiries across the Jaguar range - not manufacturer marketing, not forum guesswork.
We Tell You When Not to Repair The F-Type is a rare Jaguar where replacement almost always makes sense - the car's value comfortably absorbs even the AJ133's upper reconditioned cost of £9,000, sitting at 15–50% of vehicle value. We only flag caution when a high-mileage early car's value drops below £15,000 and the repair cost approaches 60%.
Vetted Jaguar Specialists Our network of 15+ vetted Jaguar specialists includes technicians who work on F-Types daily - they know the AJ126's cooling-system weak points, the AJ133's chain-tensioner history, and the AJ20D6's modern engineering.
Part of Engine Finders JaguarEngine.uk is part of the Engine Finders family, the UK's leading engine replacement marketplace - giving you the research depth of an independent authority with a vetted route to action when you need one.
FAQ
F-Type
Frequently Asked Questions
Common Questions
1How much does an F-Type engine replacement cost in the UK?
An F-Type engine replacement typically costs £4,500–£9,000 for a reconditioned engine, supply-only [JAG-QUOTE]. Labour adds 12–18 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer). The AJ126 V6 sits at the lower end (£4,500–£7,500), while the AJ133 V8 sits higher (£5,500–£9,000). The AJ20D6 straight-six sits in the middle (£4,500–£7,500). Use our diagnostic calculator above to get a personalised quote for your specific car.
2Which F-Type engine is the most reliable?
The AJ20D6 3.0 straight-six (fitted to 2019+ P300/P340/P400 cars) is the most reliable F-Type engine. It has no systemic cooling-system weaknesses, no chain-tensioner caveats, and no supercharger-coupler wear issues - it's a clean-sheet design that has proven robust across the JLR range. Read our AJ20D6 Knowledge Centre → for the full breakdown.
3Which F-Type engine should I avoid?
No engine outright - but the AJ126 3.0 V6 SC (2013–2019) carries a real caveat: pre-2019 cars have documented cooling-system crossover pipe failures. If you're buying an early V6, insist on evidence that the cooling system has been inspected and the pipes replaced if needed. The AJ133 5.0 V8 is robust post-2013, but cooling-system maintenance is still a "when", not an "if".
4Is the F-Type timing chain problem real?
The timing chain tensioner issue affects the AJ133 5.0 V8 built before 2013 - the design was revised in 2013 with a marked reliability improvement. F-Type production started in 2013, so most F-Types are post-revision, but early 2013 cars without documented chain-tensioner history warrant an inspection. Symptoms include a rattle on cold start - if you hear it, have a specialist check it immediately.
5Is it worth replacing an F-Type engine?
Yes - almost always. The F-Type's typical value of £18,000–£65,000 means even the AJ133's upper reconditioned cost of £9,000 sits at 15–50% of vehicle value, well below our 60% threshold for Jaguar. The only exception is a high-mileage, early-register car worth £10,000–£15,000 where a £9,000 V8 rebuild starts to approach 60–90% of value. In that scenario, evaluate the car's condition and history before committing.
6Which F-Type year should I buy?
Buy a 2019+ car with the AJ20D6 straight-six if your priority is reliability and modern engineering. Buy a 2013–2019 V6 if the supercharged soundtrack is non-negotiable - but budget £1,000–£2,000 for cooling-system preventative work unless history shows it's been done. Buy the V8 if you want the full-fat experience - the post-2013 tensioner revisions make it robust, but cooling-system maintenance is essential.
7How do I find my F-Type engine code?
Your F-Type's engine code is on the VIN plate (character 4–8), stamped on the engine block (passenger side, rear), and on the V5C registration document. The codes are: AJ126 (3.0 V6 SC, 2013–2019), AJ133 (5.0 V8 SC, 2013–2024), and AJ20D6 (3.0 straight-six, 2019–2024). If you're unsure, use our identification tool → Identify My Engine →
8F-Type vs XK - which is more reliable?
The F-Type's AJ133 V8 is the direct descendant of the XK's AJ133 - the F-Type benefits from the 2013+ timing-chain revisions that transformed the V8's reliability record. The XK carries the pre-2013 risk on its 5.0 cars. For V6 buyers, the F-Type's AJ126 is the same engine as the XK's later V6 - identical cooling-system caveats. The F-Type wins on reliability purely because of age: it's a newer car with more recent engineering. Read our full F-Type vs XK comparison →
Next Steps
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F-Type Generations
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