01
Suzuki Vitara
Generation/Chassis
IV (facelift)
Badge(s)
1.5 Dualjet Hybrid, 1.5 Full Hybrid
Years
2022-present
Link
Suzuki K15C Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The 1.5-litre DualJet hybrid petrol engine fitted to Suzuki Vitara and SX4 S-Cross models from 2020 onwards - a naturally aspirated, full-hybrid unit with 116 hp combined output. Reconditioned units from approximately £1,800-£2,800 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£800
Reconditioned from
£1,800
Rebuilt from
£2,800
GB
Secure enquiry - no spam.
Quotes only from vetted UK engine specialists.
Key Specs
Suzuki K15C - Specifications at a Glance
Engine Code
K15C
Fuel
Petrol / Full Hybrid (FHEV)
Configuration
1.5L inline-4, naturally aspirated, 16v DOHC with Dual VVT
Power Output(s)
102 hp (75.8 kW) combustion + 33 hp electric = 116 hp combined system power
Torque
138 Nm combustion + 60 Nm electric
Years Produced
2020-present (UK: 2022-present for full hybrid)
UK Models Fitted
Vitara (IV), SX4 S-Cross (III) - full list in Compatibility below
2025 UK Replacement Requests
Replaced
K15B - the earlier 1.5 DualJet without full hybrid system
Replaced By
None - currently in production
Most Common Failure
Hybrid system sensor issues, AGS gearbox behaviour
Reconditioned Price Range
£1,800-£2,800 supply-only
Vetted UK specialists for K15C replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Suzuki Models Use the K15C-
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Suzuki Vitara | IV (facelift) | 1.5 Dualjet Hybrid, 1.5 Full Hybrid | 2022-present | |
| Suzuki SX4 S-Cross | III | 1.5 Dualjet Hybrid | 2022-present |
02
Suzuki SX4 S-Cross
CROSS-BRAND
K15C is documented across 2 BMW applications spanning Suzuki Vitara, Suzuki SX4 S-Cross. Registration lookup confirms the exact suffix before quotes are sent.
Not sure which engine your car has?
Not sure which engine your car has- Enter your registration above - we'll confirm your exact K15C fitment before any quotes are sent.
Prices
Suzuki K15C Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £800-£1,500 | £1,190-£1,920 | 3-6 months |
Reconditioned | £1,800-£2,800 | £2,190-£3,220 | 12-24 months |
Rebuilt | £2,800-£4,200 | £3,190-£4,620 | 12-24 months |
The K15C's hybrid system adds complexity to replacement - the 140V lithium-ion battery, Integrated Starter Generator (ISG), and inverter must be properly integrated with the replacement unit. A unit with a documented hybrid system health check will command a premium. The AGS gearbox (automated manual) is a separate component but should be inspected when replacing the engine. See our full reconditioned engine cost guide for detailed breakdowns.
Labour Guide
Fitting a K15C typically takes 8-11 hours at £65-£75/hr (independent) - confirm exact labour when comparing quotes. Hybrid system integration adds complexity compared to non-hybrid Suzuki petrol engines.
Price Factors
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Common Problems
Suzuki K15C Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the K15C, based on real-world data and verified failure patterns.
Verified issue focus: Hybrid system sensor issues, AGS gearbox behaviour.
1. Hybrid System Sensor and Control Module Issues - 20,000-60,000 miles
1. Hybrid System Sensor and Control Module Issues - 20,000-60,000 miles
Typical onset:
20,000-60,000 miles
What happens:
The K15C's hybrid system - including the 140V lithium-ion battery, Integrated Starter Generator (ISG), and inverter - can suffer from sensor errors and control module glitches. These issues often manifest as warning lights, reduced hybrid assist, or the engine running more frequently than expected. Moisture ingress into connectors and weak 12V batteries are common triggers.
Repair vs replace:
Most hybrid system issues are repairable through diagnostics, sensor replacement, or software updates (£200-£800). However, if the hybrid battery or inverter fails, replacement costs can be significant - the lithium-ion battery alone can cost £1,500-£3,000 to replace. Read our full hybrid system failure guide .
Read more about this issue
2. AGS Gearbox Behaviour - All mileages
2. AGS Gearbox Behaviour - All mileages
Typical onset:
From new - characteristic rather than failure
What happens:
The K15C is paired with Suzuki's 6-speed AGS (Automated Gear Shift) robotised manual gearbox. This is not a conventional automatic - it operates like a manual gearbox with an automated clutch. The system is known for jerky engagement, especially when cold, and slow, hesitant shifts. While this is a design characteristic rather than a mechanical failure, it is the most common owner complaint and can feel like a fault.
Repair vs replace:
The AGS behaviour is typically not a failure - it's a characteristic of the system. However, clutch wear can occur in heavy urban use, with clutch replacement costing £600-£1,200. A modified driving style - lifting off the accelerator slightly before expected gear changes - improves smoothness significantly.
Read more about this issue
3. Timing Chain Wear - 80,000-150,000 miles (potential)
3. Timing Chain Wear - 80,000-150,000 miles (potential)
Typical onset:
80,000-150,000 miles
What happens:
The K15C uses a maintenance-free timing chain rather than a belt. However, some reports suggest potential for early timing chain wear or stretching in certain conditions. Symptoms include rattling noises from the engine when cold or at specific RPM ranges. The engine is sensitive to oil viscosity - using incorrect or thick oil can accelerate VVT system wear.
Repair vs replace:
If caught early, timing chain and tensioner replacement costs £600-£1,200. If the chain skips or snaps, full engine replacement is the only option.
Read more about this issue
The K15C is a relatively new engine, and systematic problems are not yet well-documented. Hybrid system issues appear more common on 2022-2023 production, with later units showing improvement. The engine itself is considered fundamentally sound.
[Compare rebuilt K15C prices with hybrid system checked](/compare)
Engine Variants
How to Confirm You Have the Suzuki K15C
The K15C is the latest evolution of Suzuki's 1.5-litre K-series petrol engine, distinguished from its predecessor the K15B by the addition of full hybrid (FHEV) technology, DualJet injection (two injectors per cylinder), and a 140V electrical system. It is a naturally aspirated, all-aluminium engine with a maintenance-free timing chain. Where to find your engine code: The engine code is stamped on a metal plate on the cylinder block, visible from the top of the engine bay. The engine number on the V5C starts with K15C followed by seven digits. Alternatively, check the vehicle identification plate or use the registration lookup above. Commonly confused codes: - K15B - The earlier 1.5 DualJet engine without full hybrid. It has a similar block but lacks the 140V hybrid system, ISG motor, and some DualJet injection components. Not a direct swap - the K15C's hybrid system requires specific wiring and ECU integration. - K14C - The 1.4-litre Boosterjet turbo petrol, a completely different engine family. Not compatible. Why getting the right code matters: The K15C's full hybrid system is integral to the engine's operation - fitting a non-hybrid K15B or a K14C turbo engine would require extensive rewiring, ECU replacement, and hybrid system removal or adaptation. Always match the engine code exactly when buying a replacement.
Not sure which variant you have- Enter your registration above - we'll confirm your exact K15C fitment before any quotes are sent.
Easily Confused
K15B
: The K15B was the previous generation 1.5-litre DualJet engine, fitted to Vitara and S-Cross models from 2015-2022. It shares the same basic block and DualJet injection system but lacks the K15C's 140V full hybrid system, Integrated Starter Generator (ISG), and the revised combustion chamber design. The K15B is a simpler engine - cheaper to replace but less fuel-efficient.
Alternative / Next-Gen Code
None currently: The K15C remains in production and is Suzuki's primary 1.5
litre petrol hybrid engine for European and global markets. No direct successor has been announced.
Related JLR Variants
None: The K15C is a Suzuki
developed engine and is not shared with other manufacturers. However, it is used in various Suzuki global models including the Ertiga, XL6, and Grand Vitara in Asian markets - all of which are not sold in the UK.
Confirm the exact K15C fitment
Not sure which variant you have- Enter your registration above - we'll confirm your exact K15C fitment before any quotes are sent.
Buying Guide
Buying a Replacement Suzuki K15C - 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 K15C makes sense for lower-value Vitara or S-Cross examples where the cost of a reconditioned unit would be disproportionate. Used units from £800-£1,500 are available from Suzuki breakers. However, a used K15C only makes sense with documented hybrid system health - the 140V battery and ISG motor are expensive to replace separately. Without a full hybrid system check, budget £1,500-£3,000 for potential hybrid component replacement. Link: used engines
Reconditioned:
** A proper K15C recon (£1,800-£2,800) addresses the specific complexities of this hybrid engine - full hybrid system health check, new timing chain and tensioner, rebuilt cylinder head, and a full inspection of the ISG motor and inverter. For most Vitara and S-Cross owners, this is the sweet spot - reliable, warrantied, and well within the vehicle's value on most examples. Link: reconditioned engines
Rebuilt:
** A full K15C rebuild (£2,800-£4,200) is justified for low-mileage, well-maintained examples where the owner wants to preserve the vehicle. An upgraded rebuild should include a new hybrid battery (if degraded), new injectors, a fully overhauled cylinder head, and a new timing chain kit. Link: rebuilt engines
Supply & Fit Line:
** All our vetted UK Suzuki hybrid specialists offer supply-only or full supply-and-fit on K15C units - fitted prices include 8-11 hours of labour, specialist hybrid system fluids, and a 12-24 month warranty. Nationwide delivery covers supply-only orders. Link: supply and fit
Vehicle Value Note:
** The K15C sits in host vehicles with UK market values ranging from £8,000 (early high-mileage Vitara) to £25,000 (late low-mileage S-Cross) . If your K15C host is worth less than £10,000, a reconditioned K15C at £1,800-£2,800 will represent 18-35% of the vehicle's value - a viable proposition. For hosts above £15,000, the reconditioned unit is a clear investment, adding several years of life to a car worth keeping.
Compare K15C Engine Prices Now --- **
Related Engines
Engines Related to the Suzuki K15C
Explore engines that are closely related to the Suzuki K15C, including its predecessor, successor, and key family variants.
Predecessor
K15B
: The K15B was the previous generation 1.5-litre DualJet engine, fitted to Vitara and S-Cross models from 2015-2022. It shares the same basic block and DualJet injection system but lacks the K15C's 140V full hybrid system, Integrated Starter Generator (ISG), and the revised combustion chamber design. The K15B is a simpler engine - cheaper to replace but less fuel-efficient.
Successor
None currently: The K15C remains in production and is Suzuki's primary 1.5
litre petrol hybrid engine for European and global markets. No direct successor has been announced.
Cross-Brand Twin
None: The K15C is a Suzuki
developed engine and is not shared with other manufacturers. However, it is used in various Suzuki global models including the Ertiga, XL6, and Grand Vitara in Asian markets - all of which are not sold in the UK.
FAQ
Suzuki K15CFrequently Asked Questions
Question 1How much does a Suzuki K15C engine replacement cost in the UK-
A reconditioned Suzuki K15C costs approximately £1,800-£2,800 supply-only, with fitted prices typically £2,190-£3,220 including 8-11 hours of labour . Used units start from £800-£1,500 supply-only, while full rebuilds range from £2,800-£4,200. Reconditioned is the most popular choice for Vitara and S-Cross worth £10,000+; used makes sense only with documented hybrid system health check; rebuilds are for low-mileage or well-kept examples where owner wants to preserve the car.
- Reconditioned is the most popular choice for Vitara and S-Cross worth £10,000+
- Used makes sense only with documented hybrid system health check
- Rebuilds are for low-mileage or well-kept examples where owner wants to preserve the car
Question 2What is the most common problem with the Suzuki K15C engine-
The most common owner complaint is the AGS (Automated Gear Shift) gearbox behaviour - jerky engagement, slow shifts, and hesitation, especially when cold . This is a characteristic of the robotised manual gearbox rather than a mechanical failure. Hybrid system sensor errors are the second most common issue, appearing from 20,000-60,000 miles. AGS behaviour is not a failure - it's a design characteristic; clutch wear in heavy urban use costs £600-£1,200; hybrid sensor issues are typically repairable with diagnostics and software updates (£200-£800).
- AGS behaviour is not a failure - it's a design characteristic
- Clutch wear in heavy urban use costs £600-£1,200
- Hybrid sensor issues are typically repairable with diagnostics and software updates (£200-£800)
Question 3Which Suzuki models use the K15C engine-
The K15C powers the Suzuki Vitara (IV generation, 2022-present facelift) and the Suzuki SX4 S-Cross (III generation, 2022-present), both wearing 1.5 Dualjet Hybrid badges. It was introduced in the UK in 2022 as the full hybrid (FHEV) version of Suzuki's compact SUVs. Vitara and S-Cross are the sole UK applications; the engine is also used in Suzuki Ertiga, XL6, and Grand Vitara in Asian markets; always confirm the engine code on the V5C before buying a replacement.
- Vitara and S-Cross are the sole UK applications
- The engine is also used in Suzuki Ertiga, XL6, and Grand Vitara in Asian markets
- Always confirm the engine code on the V5C before buying a replacement
Question 4Should I buy a used or reconditioned K15C-
A reconditioned K15C (£1,800-£2,800) is the safer choice - it includes a full hybrid system health check, new timing chain, rebuilt cylinder head, and 12-24 months warranty . A used K15C (£800-£1,500) only makes sense with documented hybrid system health - the 140V battery and ISG motor are expensive to replace separately. Reconditioned units address the hybrid system complexity; used units without hybrid health check are high-risk; factor £1,500-£3,000 for potential battery or inverter replacement on used examples.
- Reconditioned units address the hybrid system complexity
- Used units without hybrid health check are high-risk
- Factor £1,500-£3,000 for potential battery or inverter replacement on used examples
Question 5How do I confirm my Vitara or S-Cross has the K15C and not a different engine-
The engine code is stamped on a metal plate on the cylinder block, visible from the top of the engine bay. The engine number on the V5C starts with K15C followed by seven digits. If your Vitara or S-Cross is a 2022+ 1.5 Dualjet Hybrid, it's almost certainly a K15C. K15B is the earlier non-hybrid 1.5 DualJet - not compatible; K14C is the 1.4 Boosterjet turbo - completely different engine; enter your registration above for instant confirmation.
- K15B is the earlier non-hybrid 1.5 DualJet - not compatible
- K14C is the 1.4 Boosterjet turbo - completely different engine
- Enter your registration above for instant confirmation
Question 6How many miles can a Suzuki K15C engine last-
The K15C is a new engine, so long-term data is limited. With proper maintenance - including 10,000-mile oil changes using the correct 0W-20 oil - the combustion engine itself should exceed 150,000-200,000 miles. The hybrid system is the main variable; the 140V lithium-ion battery is expected to last 8-10 years or 100,000-150,000 miles, depending on usage patterns. Strict oil spec (0W-20) is essential for VVT system health; hybrid battery replacement costs £1,500-£3,000 when eventually needed; AGS clutch wear in urban use is a consideration.
- Strict oil spec (0W-20) is essential for VVT system health
- Hybrid battery replacement costs £1,500-£3,000 when eventually needed
- AGS clutch wear in urban use is a consideration
Compare Suzuki K15C Engine Prices Today
Free, no-obligation comparison - the quotes you receive are specific to your exact K15C engine code, with suppliers confirming hybrid system compatibility before they price. Our reg lookup checks your vehicle's exact engine variant, so you never pay for the wrong code or a non-hybrid unit. With reconditioned K15C units from approximately £1,800, comparing takes two minutes and could save significant money against a main-dealer replacement.
Vetted UK Specialists
Vetted UK specialists for K15C 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.
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