Toyota Sienta 1.5L First Generation Engines
from £1,200 to £2,200
Rebuilt units from £1,200 · Common codes: 1NZ-FE, 2NR-FE, 2ZR-FAE
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Toyota Sienta Engine Replacement - Compare Prices & Save
Get quotes from trusted UK Toyota Sienta engine specialists. Compare used and reconditioned prices for 1.5L VVT-i & hybrid - 1NZ-FE & M15A-FXE covered. Find the best value for your budget.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Toyota Sienta Second Generation 1.5L Engines
from £1,400 to £2,600
Rebuilt units from £1,400 · Common codes: 2NR-FE, 2ZR-FAE, 1NZ-FE
Toyota Sienta 1.8L Rare Variant Engines
from £1,800 to £3,200
Rebuilt units from £1,800 · Common codes: 2ZR-FAE, 2NR-FE, 1NZ-FE
Instant engine replacement quote - 100% free, no obligation
Engine replacement near me - UK-wide specialist network
Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Toyota Sienta Replacement Engineto Finding the Best Toyota Sienta Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
What Are UK Drivers Paying for Toyota Sienta Engine Replacement
The table below shows typical UK rebuilt engine costs across Toyota Sienta variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.
Average Market Prices
↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Toyota Sienta Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Toyota Sienta engines through EngineMarket.
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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
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“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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Variants We Cover
Toyota Sienta Engine ReplacementAll Variants Covered
Toyota Sienta 1.5 G
1NZ-FE 1.5L Petrol
Rebuilt Engines: £1,200-£2,200
Toyota Sienta 1.5 X
1NZ-FE 1.5L Petrol
Rebuilt Engines: £1,200-£2,200
Toyota Sienta NCP81 1.5
1NZ-FE 1.5L Petrol
Rebuilt Engines: £1,200-£2,200
Toyota Sienta NCP170 1.5
2NR-FE 1.5L Petrol
Rebuilt Engines: £1,400-£2,600
Toyota Sienta NCP175 1.5
2NR-FE 1.5L Petrol
Rebuilt Engines: £1,500-£2,700
Toyota Sienta NCP170 1.8
2ZR-FAE 1.8L Petrol
Rebuilt Engines: £1,800-£3,200
Toyota Sienta NCP175 1.8
2ZR-FAE 1.8L Petrol
Rebuilt Engines: £1,900-£3,300
Toyota Sienta 1.8 G
2ZR-FAE 1.8L Petrol
Rebuilt Engines: £1,800-£3,300
Toyota Sienta CVT
2NR-FE 1.5L Petrol
Rebuilt Engines: £1,500-£2,800
Toyota Sienta First Generation
1NZ-FE 1.5L Petrol
Rebuilt Engines: £1,200-£2,200
Toyota Sienta Second Generation
2NR-FE/2ZR-FAE Petrol
Rebuilt Engines: £1,400-£3,300
Toyota Sienta Cross-Compatible
1NZ-FE/2NR-FE/2ZR-FAE Petrol
Rebuilt Engines: £1,200-£3,300
Not sure which variant your Toyota Sienta is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Sienta
Engine Codes
Toyota Sienta Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Toyota Sienta 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.
Petrol Engines
Extracted from detailed petrol and performance engine families across Toyota Sienta variants.
1NZ-FE - 1.5L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
1.5 G1.5 XNCP81 base trimNCP81 X trim
Avg. rebuilt price
£1,200 - £2,200
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 1.5L
- Power output
- 109-110 hp
- Years fitted
- 2003-2024
Common failures
- ●Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
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 Toyota Sienta engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Sienta
Common Problems
Toyota Sienta Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Toyota Sienta's petrol engines are generally robust, but high-mileage imports can develop timing chain wear (1NZ-FE) or EGR issues (2NR-FE). Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month unlimited mileage warranty. Use this decision tool...
Toyota Sienta Timing Chain Stretch - Why 1NZ-FE Engines Fail Prematurely
Toyota Sienta Timing Chain Stretch
Most affected vehicles
Toyota Sienta 1.5 G1.5 X
Toyota Sienta 1.5 G, 1.5 X, NCP81 (2003-2010, 1NZ-FE)
Failure mileage range
80,000-120,000 miles
Typical failure window
Root cause
Timing chain tensioner wear combined with infrequent oil changes accelerates chain stretch, causing rattling noise and potential valve timing errors.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Chain Service | £800 - £1,400 | £500 - £900 | Chain tensioner replacement, oil system flush, new gaskets | Viable only if caught early before chain stretch; prevents catastrophic failure |
| Intermediate - Full Timing Kit Replacement | £1,200 - £2,000 | £800 - £1,400 | New timing chain, guides, tensioner, VVT-i actuator inspection | Restores factory timing; suitable for engines with good compression and low oil consumption |
| Full Replacement - Rebuilt / Reconditioned Engine | £2,500 - £4,000 | £1,200 - £2,200 | Supply & fit rebuilt 1NZ-FE with upgraded components, bench tested, 12-month warranty | Best value for high-mileage imports; eliminates multiple wear points in one solution |
Our recommendation
On a Toyota Sienta worth £5,000-£8,000, a preventative chain service at 70k miles is cost-effective. If rattling is already present or compression is low, a rebuilt engine from £1,200 offers better long-term value than repeated repairs.
Compare rebuilt 1NZ-FE engine prices for your Toyota SientaReplacement Engine Options
Toyota Sienta Engine TypesOptions, Costs & What to Expect
Every Toyota Sienta engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Toyota Sienta Reconditioned Engines (Recon)£1,400 - £2,800((supply only))
Toyota Sienta Rebuilt Engines£1,200 - £3,300((supply only))
Toyota Sienta Used Engines£600 - £1,500((supply only))
Toyota Sienta Remanufactured Engines£1,800 - £3,500((supply only))
Toyota Sienta Refurbished Engines£900 - £2,000((supply only))
Compare Toyota Sienta 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 Toyota Sienta within hours.
Engine Sizes
Toyota Sienta Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Toyota Sienta is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The 1.5L petrol unit powered both generations of the JDM-imported Sienta, with the first-gen 1NZ-FE (2003-2010) offering proven simplicity and the second-gen 2NR-FE (2015-present) adding Dual VVT-i efficiency for urban families.
⚙
Engine Code(s)
1NZ-FE, 2NR-FE
▣
Compatible Models (UK)
1.5 G, 1.5 X, NCP81 (2003-2010), NCP170/NCP175
ϟ
Power output
Verified by registration
△
Common Failure Points
Timing chain stretch on 1NZ-FE; EGR clogging on 2NR-FE
Production Years: 2015-2024
Compare Toyota Sienta 1.5L petrol engine pricesFuel Type
Toyota Sienta Engines by Fuel Type
Choose your Toyota Sienta engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early 1NZ-FE units to the latest 2ZR-FAE.
Toyota Sienta Petrol Engines
PetrolAll UK-imported Toyota Sienta models use petrol engines only, with 1.5L units dominating and rare 1.8L options for second-generation imports.
Common Toyota Sienta Petrol Engine Families
- •1NZ-FE - First-gen workhorse (NCP81), timing chain wear at high mileage
- •2NR-FE - Second-gen efficient unit (NCP170/175), EGR system attention needed
- •2ZR-FAE - Rare 1.8L Valvematic (NCP170/175), premium pricing due to scarcity
Found In
- •First Generation (NCP81) (2003-2010) - 1NZ-FE 1.5L
- •Second Generation Pre-Facelift (NCP170) (2015-2018) - 2NR-FE 1.5L, 2ZR-FAE 1.8L
- •Second Generation Facelift (NCP175) (2018-2024) - 2NR-FE 1.5L, 2ZR-FAE 1.8L
Known For
- •Practical 7-seat MPV packaging with sliding doors
- •1NZ-FE reliability but timing chain stretch beyond 80k miles
- •2NR-FE efficiency with EGR clogging on urban-use imports
Typical Petrol Models
- •1.5 G base trim
- •1.5 X mid-spec trim
- •1.8 G rare power option
Toyota Sienta Petrol Engines
PetrolAll UK-imported Toyota Sienta models use petrol engines only, with 1.5L units dominating and rare 1.8L options for second-generation imports.
Common Toyota Sienta Petrol Engine Families
- •1NZ-FE - First-gen workhorse (NCP81), timing chain wear at high mileage
- •2NR-FE - Second-gen efficient unit (NCP170/175), EGR system attention needed
- •2ZR-FAE - Rare 1.8L Valvematic (NCP170/175), premium pricing due to scarcity
Found In
- •First Generation (NCP81) (2003-2010) - 1NZ-FE 1.5L
- •Second Generation Pre-Facelift (NCP170) (2015-2018) - 2NR-FE 1.5L, 2ZR-FAE 1.8L
- •Second Generation Facelift (NCP175) (2018-2024) - 2NR-FE 1.5L, 2ZR-FAE 1.8L
Known For
- •Practical 7-seat MPV packaging with sliding doors
- •1NZ-FE reliability but timing chain stretch beyond 80k miles
- •2NR-FE efficiency with EGR clogging on urban-use imports
Typical Petrol Models
- •1.5 G base trim
- •1.5 X mid-spec trim
- •1.8 G rare power option
Not sure which fuel type your Toyota Sienta 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 Toyota Sienta specialists.
Engine YearsGet quotes for 2003-2010 Toyota Sienta replacement engines →
Toyota Sienta Engines by YearWhat Was Fitted & WhenToyota Sienta Engines by Year - What Was Fitted & When
This timeline covers all major engine changes across the Toyota Sienta's production, organised so UK import owners can quickly identify their engine and compare rebuilt prices from specialists.
⚙Key Changes
- ✓JDM launch with sliding doors and 7-seat flexibility
- ✓Exclusive use of 1NZ-FE 1.5L VVT-i petrol engine
- ✓NCP81 chassis code becomes key identifier for UK importers
▣Main Engines
1NZ-FE- 1.5L petrol (1.5 G / 1.5 X variants)
▰Popular Models
- •Toyota Sienta 1.5 G
- •Toyota Sienta 1.5 X
- •Toyota Sienta NCP81
🔧Known For
- ✓Simple, reliable engineering ideal for urban families
- ✓Timing chain stretch emerges as key high-mileage concern
- ✓Strong cross-compatibility with UK-market Yaris/Vitz engines
Engine Codes Covered:
1NZ-FENot sure which year your Toyota Sienta was built- Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12-month warranty from UK Toyota Sienta specialists.
FAQ