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Toyota RAV4 2.5 Hybrid - Engine History & Specs at a Glance
*INTRO: * The Toyota RAV4 2.5 Hybrid arrived in the UK in 2019 as part of the fifth-generation (XA50) RAV4 range - the first RAV4 built on Toyota's TNGA-K platform and the first to offer the next-generation A25A-FXS Dynamic Force hybrid powertrain. With the 2021 plug-in hybrid (PHEV) variant added to the range, the 2.5 Hybrid has become the UK's best-selling RAV4 powertrain, offering an exceptional blend of efficiency, power and all-weather capability. *TIMELINE: * • 2019 - Fifth-generation RAV4 launched with A25A-FXS 2.5-litre Dynamic Force hybrid engine. Available in Icon, Design and Excel trims. System output: 215bhp (FWD) / 219bhp (AWD-i). • 2020 - GR Sport trim added to the RAV4 2.5 Hybrid range with sportier styling and revised suspension tuning. • 2021 - Plug-in hybrid (PHEV) variant introduced with the same A25A-FXS engine, paired with a larger 18.1kWh lithium-ion battery. System output: 302bhp. • 2023 - Black Edition trim introduced. Euro 6d emissions certification across the range. • 2025 - Ongoing refinement of the 2.5 Hybrid powertrain with continued UK availability across Icon, Design, Excel, GR Sport and Black Edition trims. *KEY SPECS SNAPSHOT: * - Fuel Type: Petrol-Electric Full Hybrid / Plug-in Hybrid - Engine Code: A25A-FXS - Engine Size: 2.5L (2,487cc) - Compression Ratio: 14.0:1 - Power Output: 215-302bhp (total hybrid system output) - Years Produced: 2019-present *CLOSING LINE: * Every engine fitted to the Toyota RAV4 2.5 Hybrid is covered below, with UK rebuilt pricing and known failure points - whether you drive an Icon, Design, Excel, GR Sport or Black Edition.

Toyota RAV4 2.5 Hybrid - Engine History & Specs at a Glance
*INTRO: * The Toyota RAV4 2.5 Hybrid arrived in the UK in 2019 as part of the fifth-generation (XA50) RAV4 range - the first RAV4 built on Toyota's TNGA-K platform and the first to offer the next-generation A25A-FXS Dynamic Force hybrid powertrain. With the 2021 plug-in hybrid (PHEV) variant added to the range, the 2.5 Hybrid has become the UK's best-selling RAV4 powertrain, offering an exceptional blend of efficiency, power and all-weather capability. *TIMELINE: * • 2019 - Fifth-generation RAV4 launched with A25A-FXS 2.5-litre Dynamic Force hybrid engine. Available in Icon, Design and Excel trims. System output: 215bhp (FWD) / 219bhp (AWD-i). • 2020 - GR Sport trim added to the RAV4 2.5 Hybrid range with sportier styling and revised suspension tuning. • 2021 - Plug-in hybrid (PHEV) variant introduced with the same A25A-FXS engine, paired with a larger 18.1kWh lithium-ion battery. System output: 302bhp. • 2023 - Black Edition trim introduced. Euro 6d emissions certification across the range. • 2025 - Ongoing refinement of the 2.5 Hybrid powertrain with continued UK availability across Icon, Design, Excel, GR Sport and Black Edition trims. *KEY SPECS SNAPSHOT: * - Fuel Type: Petrol-Electric Full Hybrid / Plug-in Hybrid - Engine Code: A25A-FXS - Engine Size: 2.5L (2,487cc) - Compression Ratio: 14.0:1 - Power Output: 215-302bhp (total hybrid system output) - Years Produced: 2019-present *CLOSING LINE: * Every engine fitted to the Toyota RAV4 2.5 Hybrid is covered below, with UK rebuilt pricing and known failure points - whether you drive an Icon, Design, Excel, GR Sport or Black Edition.
Toyota RAV4 2.5 Hybrid
Engine History Timeline
Key Specs Snapshot
Toyota RAV4 2.5 Hybrid Engine Codes - Specifications & Replacement CostToyota RAV4 2.5 Hybrid Engine Codes - Specifications & Replacement Cost
2.5L Petrol-Electric Hybrid (2019-present)

Find your exact engine code, specs and UK replacement cost guide.
Common Failure


*TAG: * Common Problems *H3 (intro): * The Toyota RAV4 2.5 Hybrid with the A25A-FXS engine is one of the UK's most reliable SUVs, but like any vehicle, it has a handful of known weak points. The most significant high-mileage risks are the coolant bypass valve seizure, which can lead to overheating, and drivetrain cable corrosion on AWD-i models.Rebuilt engines supplied through EnginesMarket include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.

Why the Toyota RAV4 2.5 Hybrid A25A-FXS Develops Thermal Management Issues
Affected Vehicles
Typical Failure Mileage
Root Cause
Why It Happens
Dealer (parts + labour)
£450-£700
Specialist (parts + labour)
£300-£500
What it involves
Valve assembly replacement; coolant system flush; diagnostic reset.
Suitability
Effective if caught early. Typically restores full function for 60,000+ miles.
Dealer (parts + labour)
£5,000-£7,000
Specialist (parts + labour)
£3,500-£5,000 (matches Section 4's rebuilt figure)
What it involves
Complete engine unit with upgraded components, addressing the original failure point, 12-month warranty
Suitability
When the engine has suffered significant internal damage from overheating or the vehicle has very high mileage.
| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
Coolant bypass valve replacement Minor | £450-£700 | £300-£500 | Valve assembly replacement; coolant system flush; diagnostic reset. | Effective if caught early. Typically restores full function for 60,000+ miles. | |
Full Replacement - rebuilt A25A-FXS engine Best Value | £5,000-£7,000 | £3,500-£5,000 (matches Section 4's rebuilt figure) | Complete engine unit with upgraded components, addressing the original failure point, 12-month warranty | When the engine has suffered significant internal damage from overheating or the vehicle has very high mileage. |

Don't Let Engine Failure Write Off Your Toyota RAV4 2.5 Hybrid
The A25A-FXS hybrid engine is fundamentally reliable, but coolant bypass valve issues and cable corrosion can catch owners out. With a rebuilt engine from EnginesMarket's UK network, you get upgraded components, a 12-month warranty, and nationwide delivery - all at a fraction of main dealer prices. Compare quotes today and keep your RAV4 on the road.
Important Information
Important Information
Toyota RAV4 2.5 Hybrid Engine ReplacementFrequently Asked Questions
Question 1How much does a Toyota RAV4 2.5 Hybrid engine replacement cost-
The cost varies by condition. Used A25A-FXS units typically cost £500-£1,100, reconditioned engines £1,500-£2,800, and fully rebuilt units £2,200-£3,800 supply-only. Fitting adds 10-14 hours of labour at UK specialist rates (£650-£910). Always confirm the hybrid system calibration is included. For plug-in hybrid (PHEV) variants, expect slightly higher costs due to the additional battery system complexity.
- Used: £500-£1,100
- Reconditioned: £1,500-£2,800
- Rebuilt: £2,200-£3,800
Question 2What are the signs of coolant bypass valve failure in a Toyota RAV4 2.5 Hybrid-
The most common signs are a "Maintenance Required" message or "Check Engine" light on the dashboard, storing diagnostic codes P261B or P261C.Other symptoms include loss of cabin heat, engine overheating, and in severe cases, cylinder head gasket damage.If you notice any of these symptoms, have the cooling system and bypass valve checked immediately.
- Dashboard warning lights (P261B/P261C)
- Loss of cabin heat
- Engine overheating
- Potential head gasket damage if ignored
Question 3Is it worth replacing the engine in a Toyota RAV4 2.5 Hybrid-
For a 2019-2022 RAV4 2.5 Hybrid worth £18,000-£38,000, a rebuilt engine at £2,200-£3,800 typically represents 6-15% of the vehicle's value - making replacement viable for most owners. If the vehicle has very high mileage or other significant issues, evaluate the overall condition before committing.
- Replacement cost is small relative to vehicle value on most examples
- 12-month warranty on rebuilt units adds peace of mind
- Specialist pricing significantly undercuts main dealer rates
Question 4How long does a Toyota RAV4 2.5 Hybrid engine replacement take-
A straight engine swap typically takes 10-14 working hours for a specialist workshop. Allow 3-5 days for the full process including diagnostics, removal, fitting, hybrid system calibration and road testing. Supply-only options are available for DIY or your own mechanic.
- 10-14 hours labour typical
- Allow 3-5 days for full supply & fit
- Hybrid calibration included with specialist fitting
Question 5What's the difference between the full hybrid and plug-in hybrid RAV4 2.5-
Both use the A25A-FXS engine, but the plug-in hybrid (PHEV) has a larger 18.1kWh lithium-ion battery, allowing up to 46 miles of pure EV driving.The PHEV produces 302bhp (vs 215-219bhp for the standard hybrid) and can reach 0-62mph in 6.0 seconds (vs 8.1 seconds).The standard hybrid uses a smaller nickel-metal hydride battery and is more affordable.
- Standard hybrid: 215-219bhp, 0-62 in 8.1s
- Plug-in hybrid: 302bhp, 0-62 in 6.0s, 46-mile EV range
- Both: A25A-FXS engine, Euro 6d compliant
Question 6What warranty comes with a rebuilt Toyota RAV4 2.5 Hybrid engine-
Every rebuilt engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty. This covers the engine unit against manufacturing defects and component failure. Always confirm exact warranty terms - including labour coverage - with your chosen supplier before committing.
- 12-month unlimited-mileage warranty minimum
- Covers manufacturing defects and component failure
- Confirm labour coverage with your supplier
Question 7Does the Toyota RAV4 2.5 Hybrid have any known issues with the AWD system-
The AWD-i system on the RAV4 2.5 Hybrid has a known weakness: the high-voltage cable to the rear electric motor can corrode at the undercarriage connector boot.This triggers a hybrid system malfunction error and can cost £2,500-£5,000 to repair.Toyota has issued warranty extensions for some models, so check your vehicle's eligibility before paying for repairs.
- High-voltage cable corrosion is a known issue
- Repair cost: £2,500-£5,000
- Check warranty extension eligibility
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