Suzuki SX4 SCross 1.4 Boosterjet Engine Replacement - Compare Prices & Get Quotes
Get free, no-obligation quotes from trusted UK Suzuki SX4 S-Cross 1.4 Boosterjet specialists. Compare prices on reconditioned, rebuilt and used K14C turbo engines - all with transparent pricing and 12-month warranty options.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £1,800 to £2,800
Used from £800 · Reconditioned from £1,800 · Common codes: K14C
From £800
Tested, bare/short engine
From £1,800
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Suzuki SX4 S-Cross 1.4 Boosterjet specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Suzuki SX4 S-Cross 1.4 Boosterjet Replacement Engineto Finding the Best Suzuki SX4 S-Cross 1.4 Boosterjet Replacement Engine
Most replacements completed within 3-5 days.
Variant HistorySuzuki SX4 S-Cross 1.4 Boosterjet - Engine History & Specs at a Glance
The Suzuki SX4 S-Cross 1.4 Boosterjet joined the UK line-up in 2018 as a replacement for the naturally aspirated 1.6-litre M16A petrol engine that had powered the original SX4 since 2006. The K14C Boosterjet brought turbocharged performance to Suzuki's family crossover - a 1.4-litre direct-injection turbo producing 138hp, replacing the older 1.6-litre unit with improved torque, refinement and fuel economy. This marked a significant shift for the S-Cross, aligning the petrol offering with Suzuki's modern Boosterjet engine family.
Variant HistorySuzuki SX4 S-Cross 1.4 Boosterjet - Engine History & Specs at a Glance
The Suzuki SX4 S-Cross 1.4 Boosterjet joined the UK line-up in 2018 as a replacement for the naturally aspirated 1.6-litre M16A petrol engine that had powered the original SX4 since 2006. The K14C Boosterjet brought turbocharged performance to Suzuki's family crossover - a 1.4-litre direct-injection turbo producing 138hp, replacing the older 1.6-litre unit with improved torque, refinement and fuel economy. This marked a significant shift for the S-Cross, aligning the petrol offering with Suzuki's modern Boosterjet engine family.
Suzuki SX4 S-Cross 1.4 Boosterjet
Fuel TypePetrol - Turbocharged Direct Injection (Boosterjet)
Engine Size1.4-litre (1,373cc)
Power Output138hp (140PS) at 5,500rpmEngine History Timeline
SX4 S-Cross launched in the UK with M16A 1.6-litre naturally aspirated petrol (118bhp) and D16AA 1.6 DDIS diesel (118bhp) options.
Minor facelift introduced; M16A petrol and D16AA diesel continue.
SX4 S-Cross receives major engine update M16A replaced by K14C 1.4-litre Boosterjet turbocharged petrol (138hp, 230Nm torque). Available in SZ-T and SZ5 trim levels. Boosterjet offers 52.3mpg combined with 130g/km CO2.
1.4 Boosterjet mild-hybrid (K14D) introduced adding 48V starter-generator and 10kW assistance. Replaces non-hybrid K14C.
S-Cross facelift with updated grille and bumpers; K14D Boosterjet mild-hybrid continues.
present - S-Cross remains available with K14D Boosterjet mild-hybrid offering 129hp and improved fuel economy.
Key Specs Snapshot
Fuel TypePetrol - Turbocharged Direct Injection (Boosterjet)Engine Size1.4-litre (1,373cc)Power Output138hp (140PS) at 5,500rpmTorque230Nm at 2,500-3,500rpmYears Produced (Non-hybrid)2018-2020Every engine fitted to the Suzuki SX4 S-Cross 1.4 Boosterjet is covered below, with UK rebuilt pricing and known failure points for this specific K14C turbocharged unit.
Suzuki SX4 S-Cross 1.4 Boosterjet Engine Codes - Specifications & Replacement CostSuzuki SX4 S-Cross 1.4 Boosterjet Engine Codes - Specifications & Replacement Cost
1.4-litre Petrol Turbocharged Boosterjet (2018-2020)
Power Output138hp (140PS) at 5,500rpm; 230Nm torque at 2,500-3,500rpmYears Fitted2018-2020 (UK)
Compatible Trim Levels
- S-Cross SZ-T
- S-Cross SZ5
- S-Cross Boosterjet
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£800-£1,500
Reconditioned
Addressed known issues, tested
£1,800-£2,800
Rebuilt
Full teardown, upgraded internals
£2,200-£3,200
Common Failure
The K14C Boosterjet engine is generally reliable, with no widespread catastrophic issues reported on S-Cross applications. However, timing chain stretching has been reported on higher-mileage examples (100,000-150,000km / 62,000-93,000 miles). Direct injection also contributes to carbon buildup on intake valves, a common characteristic of modern turbocharged direct-injection engines.
The Suzuki SX4 S-Cross 1.4 Boosterjet uses the K14C 1.4-litre turbocharged direct-injection petrol engine. This modern Boosterjet unit is broadly reliable, with fewer reported issues than the older M16A petrol or D16AA diesel it replaced. However, owners should be aware of timing chain stretch at higher mileage and carbon buildup due to direct injection. Rebuilt K14C engines through EnginesMarket include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.
Why the Suzuki SX4 S-Cross 1.4 Boosterjet Rattles on Start-up
Affected Vehicles
Suzuki SX4 S-Cross 1.4 Boosterjet (K14C, 2018-2020)
Typical Failure Mileage
62,000-93,000 miles (100,000-150,000km)
Root Cause
The K14C uses a timing chain rather than a belt. Chain stretch can occur over time, leading to rattling noise on cold start, persistent ticking, loss of performance, or a check engine light with cam/crank correlation codes.
Why It Happens
The K14C uses a timing chain rather than a belt. Chain stretch can occur over time, leading to rattling noise on cold start, persistent ticking, loss of performance, or a check engine light with cam/crank correlation codes.
Dealer (parts + labour)
£1,200-£2,000
Specialist (parts + labour)
£800-£1,400
What it involves
Replace timing chain, tensioners, guides; inspect for collateral damage
Suitability
If caught early before valve/piston damage
1 - 2 daysDealer (parts + labour)
£3,000-£5,000
Specialist (parts + labour)
£2,200-£3,200
What it involves
Supply & fit rebuilt 1.4-litre Boosterjet with upgraded components
Suitability
If chain has jumped causing valve/piston damage
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 |
|---|---|---|---|---|---|
 Timing chain & tensioner replacement Minor | £1,200-£2,000 | £800-£1,400 | Replace timing chain, tensioners, guides; inspect for collateral damage | If caught early before valve/piston damage | 1 - 2 days |
 Full replacement - rebuilt K14C engine Best Value | £3,000-£5,000 | £2,200-£3,200 | Supply & fit rebuilt 1.4-litre Boosterjet with upgraded components | If chain has jumped causing valve/piston damage | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
Apply this UK-wide decision framework: - Vehicle worth under ~£5,000: repair or used engine typically makes more sense than a full rebuilt unit. - Vehicle worth ~£5,000-£8,000: evaluate both; reconditioned is viable if keeping the car 2+ years. - Vehicle worth ~£8,000-£15,000: reconditioned/rebuilt usually justifies the premium via warranty and reliability. - Vehicle worth £15,000+: replacement cost is typically small relative to vehicle value.
Our Recommendation
Our Recommendation
Address any rattling noise from the engine bay immediately. Early timing chain replacement (£800-£1,400 at a specialist) is significantly cheaper than a full engine rebuild (£2,200-£3,200) if the chain fails catastrophically. Use a Suzuki specialist familiar with the K14C Boosterjet engine - they'll know the specific tensioner revisions and can fit upgraded parts.
Don't Let Engine Failure Write Off Your Suzuki SX4 S-Cross 1.4 Boosterjet
The Suzuki SX4 S-Cross 1.4 Boosterjet is a family crossover with a broadly reliable modern engine. However, timing chain stretch and carbon buildup are real considerations as these cars age and accumulate mileage. EnginesMarket connects you with vetted UK specialists who know the K14C Boosterjet inside out. Every rebuilt engine comes with a minimum 12-month unlimited-mileage warranty, upgraded components addressing the original failure points, and nationwide delivery options.
Compare Suzuki SX4 S-Cross 1.4 Boosterjet timing chain repair costs
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
Suzuki SX4 S-Cross 1.4 Boosterjet Engine ReplacementFrequently Asked Questions
Question 1How much does a Suzuki SX4 S-Cross 1.4 Boosterjet engine replacement cost-
A rebuilt K14C 1.4-litre Boosterjet engine for the Suzuki SX4 S-Cross typically costs £2,200-£3,200 supply-only, with fitting adding approximately £500-£800 at a specialist. Dealer prices can reach £3,000-£5,000 for a full replacement.
- Used K14C engines: £800-£1,500
- Reconditioned units: £1,800-£2,800
- Rebuilt with 12-month warranty: £2,200-£3,200
Question 2What are the signs of timing chain problems in a Suzuki SX4 S-Cross 1.4 Boosterjet-
The K14C Boosterjet engine uses a timing chain rather than a belt. Common symptoms of timing chain stretch include:
- Rattling noise on cold start
- Persistent ticking or rasping from the engine
- Loss of performance
- Check engine light with cam/crank correlation codes
Question 3Is it worth replacing the engine in a Suzuki SX4 S-Cross 1.4 Boosterjet-
A 2018-2020 Suzuki SX4 S-Cross 1.4 Boosterjet typically holds £8,000-£14,000 of value. A full engine replacement at £2,200-£3,200 represents approximately 16-25% of the vehicle's value - a sensible investment if the rest of the car is in good condition.
- Well-maintained examples: replacement strongly recommended
- High-mileage or poor condition: weigh against overall vehicle value
Question 4How long does a Suzuki SX4 S-Cross 1.4 Boosterjet engine replacement take-
A full Suzuki SX4 S-Cross 1.4 Boosterjet engine replacement typically takes 3-7 working days:
- Engine removal and installation: 1-2 days
- Testing and calibration: 1 day
- Total turnaround: 3-7 days depending on parts availability
Question 5What's the difference between the SX4 S-Cross 1.4 Boosterjet and the 1.6 M16A petrol engines-
The key differences are:
- 1.4 Boosterjet (K14C): 138hp, 230Nm torque, turbocharged, 2018-2020
- 1.6 M16A: 118bhp, 156Nm torque, naturally aspirated, 2013-2018
- The Boosterjet produces significantly more torque (230Nm vs 156Nm) and is more fuel-efficient (52.3mpg vs 43.5mpg for the M16A)
Question 6Is the Suzuki SX4 S-Cross 1.4 Boosterjet engine reliable-
Yes - the K14C Boosterjet is considered one of Suzuki's most reliable modern engines. Unlike the D19AA 1.9 DDIS diesel found in earlier SX4 models (which suffered injector and DPF issues), the K14C has few widespread failure reports. The main considerations are timing chain stretch at higher mileage and carbon buildup due to direct injection - both are manageable with preventative maintenance.
-> Get Suzuki SX4 S-Cross 1.4 Boosterjet engine diagnosticsQuestion 7Will a Peugeot 1.4 Boosterjet engine fit my Suzuki SX4 S-Cross-
The K14C Boosterjet engine is used across multiple PSA and Suzuki vehicles, including the Peugeot 308, Citroën C4, and DS3. However, fitment between vehicles is NOT interchangeable - engine mounts, wiring looms, ECU calibration, and drivetrain configuration differ between Suzuki and PSA applications. Always source the correct K14C engine for your Suzuki SX4 S-Cross with the correct engine code and chassis fitment.
-> Get the correct Suzuki SX4 S-Cross 1.4 Boosterjet engine for your vehicleWhy Choose UsCompare Suzuki SX4 S-Cross 1.4 BoosterjetEngine PricesToday
500+ Suzuki SX4-compatible engines supplied through our network
12-Month Warranty on every rebuilt Suzuki SX4 S-Cross 1.4 Boosterjet engine
Nationwide UK delivery
supply & fit available
Comparing Suzuki SX4 S-Cross 1.4 Boosterjet engine quotes is free, fast, and carries no obligation. Enter your registration above to get matched with vetted UK specialists who supply the correct K14C Boosterjet unit for your exact S-Cross - whether you need a used engine, a reconditioned unit, or a full rebuild with warranty.
Enter your registration
and get matched with verified Suzuki SX4 S-Cross 1.4 Boosterjet specialists.