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Nissan MR20DE Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The high-volume 2.0-litre naturally aspirated petrol engine fitted to the Nissan Qashqai and X-Trail between 2005 and 2018. Reconditioned units are available from £1,000 , with 95 UK replacement requests logged in 2025 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£350
Reconditioned from
£1,000
Rebuilt from
£1,800
GB
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Quotes only from vetted UK engine specialists.
Key Specs
Nissan MR20DE - Specifications at a Glance
Engine Code
MR20DE
Fuel
Petrol
Configuration
2.0L inline-4 naturally aspirated
Power Output(s)
140hp - 147hp (depending on tune)
Years Produced
2005-2018
UK Models Fitted
2 Nissan models - full list in Compatibility below
2025 UK Replacement Requests
95
Replaced
Nissan QR20DE
Replaced By
Nissan DIG-T variants (e.g., H5Ht)
Most Common Failure
Occasional timing chain stretch and coil pack failure
Reconditioned Price Range
£1,000-£2,000 supply-only
Vetted UK specialists for MR20DE replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Nissan Models Use the MR20DE-
The MR20DE is a core naturally aspirated petrol engine in Nissan’s lineup, serving as the reliable, high-volume 2.0-litre powerplant for the first-generation Qashqai and the third-generation X-Trail.
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Nissan Qashqai | J10 | 2.0 Petrol (140hp) | 2006-2013 | |
| Nissan X-Trail | T31 | 2.0 Petrol (140hp, 147hp) | 2007-2014 |
02
Nissan X-Trail
CROSS-BRAND
MR20DE is documented across 2 BMW applications spanning Nissan Qashqai, Nissan X-Trail. Registration lookup confirms the exact suffix before quotes are sent.
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Not sure which engine your car has- Enter your registration above - we'll confirm your exact MR20DE fitment before any quotes are sent.
Prices
Nissan MR20DE Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £350-£800 | £805-£1,385 | 3-6 months |
Reconditioned | £1,000-£2,000 | £1,455-£2,585 | 12-24 months |
Rebuilt | £1,800-£3,000 | £2,255-£3,585 | 12-24 months |
The replacement cost for a Nissan MR20DE engine is relatively stable due to its simple, naturally aspirated design. Prices are primarily influenced by the condition of the timing chain and whether the unit has been recently serviced. For a full breakdown of how component condition affects pricing, see our reconditioned engine cost guide.
Labour Guide
Fitting a MR20DE typically takes 7-9 hours at £65/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
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Common Problems
Nissan MR20DE Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the MR20DE, based on real-world data and verified failure patterns.
Verified issue focus: Occasional timing chain stretch and coil pack failure.
1. Timing Chain Stretch - 2005-2018
1. Timing Chain Stretch - 2005-2018
Typical onset:
80,000-150,000 miles
What happens:
The timing chain can stretch over time, leading to a distinct rattling noise on cold starts. If ignored, excessive slack can cause the chain to jump a tooth, resulting in valve-to-piston contact and catastrophic engine failure.
Repair vs replace:
A timing chain replacement typically costs £800-£1,500. However, if the engine has already suffered internal damage from a jumped chain, a full MR20DE engine replacement is the only reliable solution.
Read more about this issue
2. Coil Pack and Ignition Failures
2. Coil Pack and Ignition Failures
Typical onset:
60,000-100,000 miles
What happens:
Individual ignition coil packs can fail, causing misfires, rough idling, and a check engine light. This is a common wear item on higher-mileage naturally aspirated Nissan engines.
Repair vs replace:
Replacing the faulty coil pack(s) is a straightforward and inexpensive repair (£150-£300). It rarely necessitates an engine replacement unless prolonged misfires have caused secondary damage to the catalytic converter.
Read more about this issue
The MR20DE is widely regarded as a simple, durable Japanese petrol engine. When maintained with regular oil changes, it avoids the complex failure modes of modern turbocharged units, making it one of the more robust choices in its class .
Compare rebuilt MR20DE prices with the timing chain already addressed
Engine Variants
How to Confirm You Have the MR20DE
The MR20DE is a specific engine code within Nissan’s 2.0-litre petrol family. While it shares its core architecture with several similar codes, confirming your exact designation is critical because ECU mapping, mounting points, and loom connections can differ between revisions. The MR20DE is most commonly confused with: - Nissan QR20DE: The immediate predecessor 2.0-litre unit. While similar in displacement, it uses a different timing chain setup and ECU mapping, making it a non-direct swap without significant modification. Nissan QR20DE
Fitting the wrong revision can result in ECU communication errors or physical mounting conflicts. The engine code is stamped directly on the engine block, typically on a machined pad near the bell housing or on the vehicle’s VIN plate under the bonnet. It is also listed on your V5C logbook. Not sure- Enter your registration above for instant confirmation.
Easily Confused
Nissan QR20DE
The older 2.0-litre unit it replaced, which shares similar reliability but uses a different timing chain setup and ECU mapping. Nissan QR20DE
Alternative / Next-Gen Code
Nissan DIG-T variants (e.g., H5Ht)
The newer turbocharged replacements that offer better fuel efficiency but introduce turbo complexity absent in the naturally aspirated MR20DE. Nissan H5Ht
Related JLR Variants
Nissan HR16DE
The 1.6-litre naturally aspirated sibling found in lower-spec Qashqai models, sharing the same basic architecture but with less power and different displacement. Nissan HR16DE
Confirm the exact MR20DE fitment
Fitting the wrong revision can result in ECU communication errors or physical mounting conflicts. The engine code is stamped directly on the engine block, typically on a machined pad near the bell housing or on the vehicle’s VIN plate under the bonnet. It is also listed on your V5C logbook. Not sure- Enter your registration above for instant confirmation.
Buying Guide
Buying a Replacement MR20DE - What to Choose
Choosing the right replacement route depends on your budget, risk tolerance, and ownership goals. Here's a breakdown of your options.
Used:
A used MR20DE is a highly viable, budget-friendly option for this simple engine, provided it comes with verifiable service history and no cold-start timing chain rattle. The naturally aspirated design means there are no turbos or complex high-pressure fuel systems to fail.
Reconditioned:
The smartest choice for peace of mind. A proper reconditioned MR20DE will include a brand-new timing chain kit, fresh seals, and tested ignition components, directly addressing the engine's primary wear points and restoring factory reliability.
Rebuilt:
Generally overkill for this robust engine unless the cylinder bores have suffered scoring or the block is damaged. A full rebuild is justified only for high-mileage X-Trail examples where maximum longevity is required.
Supply & Fit Line:
Our network provides nationwide supply and fit options, ensuring your replacement MR20DE is installed by Nissan specialists with a minimum 12-month warranty.
Vehicle Value Note:
Host vehicles like the Nissan Qashqai J10 and X-Trail T31 typically retain values between £1,500 and £7,000 depending on condition and mileage . With reconditioned MR20DE units starting from £1,000, replacement represents a financially viable investment for well-maintained examples, though owners of sub-£3,000 vehicles should carefully evaluate scrap or part-exchange value before committing to a major repair.
Compare MR20DE Engine Prices Now
Related Engines
Engines Related to the Nissan MR20DE
Explore engines that are closely related to the Nissan MR20DE, including its predecessor, successor, and key family variants.
Predecessor
Nissan QR20DE
The older 2.0-litre unit it replaced, which shares similar reliability but uses a different timing chain setup and ECU mapping. Nissan QR20DE
Successor
Nissan DIG-T variants (e.g., H5Ht)
The newer turbocharged replacements that offer better fuel efficiency but introduce turbo complexity absent in the naturally aspirated MR20DE. Nissan H5Ht
Sibling
Nissan HR16DE
The 1.6-litre naturally aspirated sibling found in lower-spec Qashqai models, sharing the same basic architecture but with less power and different displacement. Nissan HR16DE
FAQ
Nissan MR20DEFrequently Asked Questions
Question 1How much does a Nissan MR20DE engine replacement cost-
A reconditioned Nissan MR20DE engine replacement costs between £1,000 and £2,000 supply-only, with fitted prices typically adding £455 to £585 in labour. Used units start from £350 but require verification of timing chain health, while rebuilt units range from £1,800 to £3,000 for high-mileage hosts.
- Used units start from £350 but require verification of timing chain health.
- Rebuilt units range from £1,800 to £3,000 for high-mileage hosts.
Question 2What is the most common problem with the Nissan MR20DE 2.0 petrol-
The most common failure on the MR20DE is occasional timing chain stretch, which typically occurs between 80,000 and 150,000 miles. A stretched chain causes a rattling noise on cold starts, and if ignored, it can jump a tooth, leading to catastrophic valve-to-piston damage. Coil pack failures are also a common, easily repaired wear item.
- A stretched chain causes a rattling noise on cold starts.
- If ignored, it can jump a tooth, leading to catastrophic valve-to-piston damage.
- Coil pack failures are also a common, easily repaired wear item.
Question 3Which Nissan models use the MR20DE engine-
The MR20DE engine code is primarily fitted to the Nissan Qashqai J10 and Nissan X-Trail T31. It served as the reliable, high-volume 2.0-litre naturally aspirated petrol option for these models between 2006 and 2014, with power outputs typically ranging from 140hp to 147hp.
- It served as the reliable, high-volume 2.0-litre naturally aspirated petrol option for these models between 2006 and 2014.
- Power outputs typically range from 140hp to 147hp depending on the specific vehicle tune.
Question 4Should I buy a used or reconditioned MR20DE engine-
A reconditioned MR20DE is the safest choice, as it includes a brand-new timing chain kit and fresh seals to prevent future wear issues. Used engines are a viable budget option for this simple design, but only if they have verifiable service history and no cold-start rattle, otherwise you risk inheriting hidden timing chain stretch.
- Used engines are a viable budget option for this simple design, but only if they have verifiable service history and no cold-start rattle.
- Buying a used unit without this history risks inheriting hidden timing chain stretch.
Question 5How do I know if my car has the MR20DE engine-
The MR20DE engine code is stamped directly on the engine block, typically on a machined pad near the bell housing or on the vehicle’s VIN plate under the bonnet. It is also listed on your V5C logbook, and is commonly confused with the older QR20DE or the smaller HR16DE, which have different ECU mappings and mounting points.
- It is also listed on your V5C logbook under "Engine Capacity" or via a VIN decoder.
- It is commonly confused with the older QR20DE or the smaller HR16DE, which have different ECU mappings and mounting points.
Compare Nissan MR20DE Engine Prices Today
Vetted UK specialists who work on the MR20DE and the wider Nissan petrol family every week Minimum 12-month warranty on every reconditioned and rebuilt MR20DE Nationwide delivery - supply-only or full supply & fit Get a free, no-obligation comparison of quotes specific to your exact MR20DE fitment. Our registration lookup confirms your precise model compatibility before any quotes are sent out, ensuring you never pay for the wrong revision. With reconditioned MR20DE units starting from £1,000, comparing takes two minutes and could save you hundreds on your Nissan's repair bill.
Vetted UK Specialists
Vetted UK specialists for MR20DE replacements
Minimum 12-Month Warranty
Minimum 12-month warranty on reconditioned and rebuilt options
Nationwide Delivery
Nationwide delivery plus supply and fit availability
Expert Support
Secure enquiry - no spam. Quotes only from vetted UK engine specialists.
Secure enquiry - no spam. Quotes only from vetted UK engine specialists.
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