Toyota Aygo X 1.0 Engine ReplacementCompare Prices & Get Quotes
Get quotes today for your Toyota Aygo X 1.0 engine replacement from trusted UK specialists. Compare prices on reconditioned, rebuilt and used 1KR-B52 engines to find the best deal for your Aygo X - with UK-wide supply and fit options.
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12-Month Warranty
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From B52 - from £872 to £1,800
Used from £872 · Reconditioned from £1,200 · Common codes: 1KR-B52
From £872
Tested, bare/short engine
From £1,200
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Toyota Aygo X 1.0 Replacement Engineto Finding the Best Toyota Aygo X 1.0 Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryToyota Aygo X 1.0 - Engine History & Specs at a Glance
The Toyota Aygo X launched in March 2022 as a crossover-styled city car, replacing the standard Aygo hatchback. Built on the TNGA GA-B platform shared with the Toyota Yaris, the Aygo X retained the 1KR-B52 1.0-litre three-cylinder petrol engine from the previous Aygo models, offering a punchy and efficient powertrain for urban driving.
Variant HistoryToyota Aygo X 1.0 - Engine History & Specs at a Glance
The Toyota Aygo X launched in March 2022 as a crossover-styled city car, replacing the standard Aygo hatchback. Built on the TNGA GA-B platform shared with the Toyota Yaris, the Aygo X retained the 1KR-B52 1.0-litre three-cylinder petrol engine from the previous Aygo models, offering a punchy and efficient powertrain for urban driving.
Toyota Aygo X 1.0
Fuel TypePetrol
Engine Size998cc
Power Output72hp (53kW) @ 6,000rpmEngine History Timeline
1KR-B52 1.0-litre petrol, 72hp - launched with the all-new Aygo X crossover city car
5-speed manual and CVT automatic transmissions available
1.0-litre petrol discontinued; replaced by 1.5-litre M15A-FXE hybrid
Key Specs Snapshot
Fuel TypePetrolEngine Size998ccPower Output72hp (53kW) @ 6,000rpmTorque93Nm @ 4,400rpmYears Produced2022-2025Every engine fitted to the Toyota Aygo X 1.0 is covered below, with UK rebuilt pricing and known failure points.
Toyota Aygo X 1.0 Engine Codes - Specifications & Replacement CostToyota Aygo X 1.0 Engine Codes - Specifications & Replacement Cost
1.0-litre Petrol (2022-2025)
Power Output72hp (53kW) @ 6,000rpmTorque93Nm @ 4,400rpmYears Fitted2022-2025Engine Type3-cylinder in-line, DOHC 12-valve, naturally aspiratedDisplacement998ccCompression Ratio11.8:1Bore x Stroke71mm x 84mmFuel SystemMulti-point injectionEuro StandardEuro 6
Compatible Trim Levels
- Edge
- Pure
- Exclusive
- Air Edition
- X-Clusive TSS
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£872-£1,200
Reconditioned
Addressed known issues, tested
£1,200-£1,600
Rebuilt
Full teardown, upgraded internals
£1,600-£1,800
Common Failure
The 1KR-B52 is generally robust, but water pump failure has been reported on low-mileage examples (from around 10,000 miles). Some owners also report cold-start issues - cranking but struggling to fire. The engine is naturally noisy at higher revs (above 4,000rpm), which is a characteristic of the three-cylinder design rather than a fault.
The Toyota Aygo X 1.0 (1KR-B52) is a reliable and efficient city car engine, but like any modern petrol unit, it has its weak points. Water pump failure and cold-start issues are the most commonly reported problems. Rebuilt 1KR-B52 engines through EnginesMarket include upgraded components addressing these common failure points, plus a minimum 12-month unlimited-mileage warranty.
Why the Toyota Aygo X 1.0 1KR-B52 Can Develop Coolant Leaks
Affected Vehicles
Toyota Aygo X 1.0 (1KR-B52, 2022-2025)
Typical Failure Mileage
10,000-40,000 miles
Root Cause
Water pump failure has been reported on low-mileage Aygo X examples, with leaking seals causing coolant loss. The issue appears to affect some early production models and may be related to component quality.
Why It Happens
Water pump failure has been reported on low-mileage Aygo X examples, with leaking seals causing coolant loss. The issue appears to affect some early production models and may be related to component quality.
Dealer (parts + labour)
£350-£500
Specialist (parts + labour)
£200-£350
What it involves
Replace water pump, flush cooling system, refill coolant
Suitability
If caught early before overheating occurs
1 - 2 daysDealer (parts + labour)
£2,500-£3,500
Specialist (parts + labour)
£1,800-£2,800
What it involves
Supply & fit, fully rebuilt 1KR-B52 with new water pump and upgraded components, 12-month warranty
Suitability
If engine has overheated or high-mileage
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Water pump replacement Minor | £350-£500 | £200-£350 | Replace water pump, flush cooling system, refill coolant | If caught early before overheating occurs | 1 - 2 days |
 Full replacement - rebuilt/reconditioned engine Best Value | £2,500-£3,500 | £1,800-£2,800 | Supply & fit, fully rebuilt 1KR-B52 with new water pump and upgraded components, 12-month warranty | If engine has overheated or high-mileage | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical Toyota Aygo X 1.0 (2022-2024) is worth approximately £11,000-£15,000 depending on mileage, condition, and trim. For vehicles within warranty, water pump replacement should be covered by the manufacturer. For vehicles outside warranty, specialist replacement is significantly cheaper than dealer pricing. Full engine replacement is rarely justified for water pump failure alone unless overheating has caused internal damage.
Our Recommendation
Our Recommendation
If you notice coolant loss or a coolant smell from your Aygo X 1.0, have the water pump inspected promptly. If the vehicle is under warranty, use a Toyota dealer for a free replacement. For out-of-warranty cars, a specialist water pump replacement offers the best value.
Don't Let Engine Problems Write Off Your Toyota Aygo X 1.0
The 1KR-B52 engine is fundamentally reliable, but when problems do arise - whether water pump failure, cold-start issues, or high-mileage wear - a rebuilt engine with a 12-month warranty can give your Aygo X a new lease of life. Compare prices from UK specialists today and avoid main dealer premiums.
Compare rebuilt 1KR-B52 Toyota Aygo X 1.0 engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Toyota Aygo X 1.0. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Toyota Aygo X 1.0 Engine ReplacementFrequently Asked Questions
Question 1How much does a Toyota Aygo X 1.0 engine replacement cost-
A replacement 1KR-B52 engine for the Toyota Aygo X 1.0 typically costs £872-£1,800 for the engine alone (supply-only). With supply and fit, budget £1,800-£2,800 for a fully installed rebuilt unit with warranty. Used engines start from around £872.
- Supply-only used 1KR-B52: from £872
- Supply-only reconditioned 1KR-B52: from £1,200
- Fully fitted rebuilt 1KR-B52: £1,800-£2,800
Question 2What are the signs of water pump failure in a Toyota Aygo X 1.0-
The most common signs are coolant loss, a sweet smell from the engine bay, and visible coolant leaks around the water pump area. Some owners have reported water pump failure at as little as 10,000 miles. If left unaddressed, this can lead to overheating and engine damage.
- Coolant loss with no visible external leak
- Sweet smell from engine bay
- Overheating warning light
Question 3Is it worth replacing the engine in a Toyota Aygo X 1.0-
With a typical Aygo X 1.0 worth £11,000-£15,000, replacement cost should be evaluated against vehicle value. For low-mileage cars, individual component replacement (e.g. water pump, throttle body) is usually more cost-effective. For high-mileage vehicles or those with internal damage, a rebuilt 1KR-B52 with 12-month warranty makes financial sense.
- Vehicle under £10,000: consider used engine or component repair
- Vehicle £10,000-£15,000: rebuilt engine with warranty is viable
- A rebuilt 1KR-B52 includes upgraded components and warranty
Question 4How long does a Toyota Aygo X 1.0 1KR-B52 engine last-
With proper maintenance - regular oil changes and coolant checks - the 1KR-B52 engine can exceed 100,000-150,000 miles. The engine is known for its durability and is used across multiple Toyota and PSA models with good reliability records.
- Expected lifespan: 100,000-150,000+ miles with good maintenance
- Regular oil changes and coolant checks are critical
- Address water pump issues promptly to prevent overheating
Question 5Is the Aygo X 1.0 engine the same as the previous Aygo-
Yes, the Toyota Aygo X 1.0 uses the same 1KR-B52 engine as the later previous-generation Aygo models. This means engine compatibility extends across multiple models, including the Peugeot 108 and Citroën C1. However, always verify engine code and compatibility before purchasing a replacement.
- Same 1KR-B52 engine as previous Aygo
- Also fitted to Peugeot 108 and Citroën C1
- Engine code verification is essential
Question 6How long does a Toyota Aygo X 1.0 engine replacement take-
A typical 1KR-B52 engine replacement on a Toyota Aygo X 1.0 takes 2-3 working days for a specialist workshop. This includes engine removal, preparation, installation of the replacement unit, fluid changes, and testing. Supply-only orders are typically dispatched within 1-2 working days for nationwide delivery.
- Supply only: 1-2 days dispatch
- Supply and fit: 2-3 working days at workshop
- Confirm timescales with your chosen specialist
Why Choose UsCompare Toyota Aygo X 1.0Engine PricesToday
500+ Aygo engines supplied through our network
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Comparing quotes for your Toyota Aygo X 1.0 engine replacement is free, no-obligation, and specific to your exact 1KR-B52 engine code. Whether you need a used engine to keep costs down, a replacement water pump, or a fully rebuilt unit with a 12-month warranty for peace of mind, our UK specialist network has you covered. Enter your registration above and get tailored quotes today.
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