Petrol · 2021–now
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
All about the Hyundai BayonAll about the 1.0 / 1.2 / 1.4 MPi (Hyundai-Kia Kappa, naturally aspirated) engine
The 1.0 / 1.2 MPi (Hyundai-Kia Kappa, naturally aspirated) engine was fitted to the Hyundai Bayon (2021–now). In the EU that is 62.4 % of all new cars of this generation.
Versions: 1.0 101 hp, 1.0 99 hp, 1.2 83 hp, 1.2 84 hp, 1.2 79 hp, 1.2 77 hp, 1.0 120 hp, 1.0.
The most expensive known risk is spark plugs fail early: misfire, rough running, no-start: it usually appears at 30,000–120,000 km and costs €50–250 to fix.
✓ The faults of this engine were checked against sources (10/2026). Each item has at least two independent sources or an official recall or parts-maker technical note.
Signs: Misfire, shaking at idle, flashing engine light, hard starting or no start
Fix: Replace all plugs with the specified type and gap, check the coil on the misfiring cylinder, and do not stretch the plug interval
Signs: Slipping, high bite point
Fix: Replace clutch kit
Signs: Shudder or jerks pulling away in 1st / 2nd and in reverse, harsh 1-2 / 2-3 shifts, 'transmission overheating' message in stop-and-go traffic or on hills
Fix: Have the dealer update the gearbox software, reset the clutch adaptation and measure clutch wear; replace the double clutch if worn
Typical routine maintenance cost for 100,000 km: €2,200–4,950. Sum of the services and wear parts in the plan above (about 15,000 km a year, independent workshop), without faults.
Intervals and typical prices for the Hyundai Bayon with the 1.0 / 1.2 MPi (Hyundai-Kia Kappa, naturally aspirated) engine. The app gives the exact plan for your mileage.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Timing chain inspection (listen on cold start)Engine | every 150,000 km | €0–120 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
| Version | Share | Years | CO₂ | Fuel use |
|---|---|---|---|---|
| 1.0 Petrol998 cm³ · 74 kW (101 hp) | 25.2 % | 2021–2025 | 123 g/km | 5.4 L |
| 1.0 Hybrid998 cm³ · 73 kW (99 hp) | 19.3 % | 2022–2025 | 119 g/km | 5.3 L |
| 1.0 Petrol998 cm³ · 73 kW (99 hp) | 13.3 % | 2021–2025 | 123 g/km | 5.4 L |
| 1.0 Hybrid998 cm³ · 74 kW (101 hp) | 13.3 % | 2021–2025 | 119 g/km | 5.3 L |
| 1.2 Petrol1,197 cm³ · 61 kW (83 hp) | 9.9 % | 2021–2025 | 126 g/km | 5.4 L |
| 1.2 Petrol1,197 cm³ · 62 kW (84 hp) | 9.6 % | 2021–2025 | 126 g/km | 5.8 L |
| 1.2 Petrol1,197 cm³ · 58 kW (79 hp) | 3.5 % | 2024–2025 | 127 g/km | 5.7 L |
| 1.2 Petrol1,197 cm³ · 57 kW (77 hp) | 2.0 % | 2024–2025 | 127 g/km | 5.7 L |
| 1.0 Hybrid998 cm³ · 88 kW (120 hp) | 1.9 % | 2022–2025 | 120 g/km | 5.3 L |
| 1.0 Petrol998 cm³ | 1.0 % | 2021–2025 | 122 g/km | 5.6 L |
Source: European Environment Agency (EEA), monitoring of CO₂ emissions from new passenger cars, CC BY 4.0. CO₂ and fuel use are official type-approval values (WLTP from 2021), not real-world consumption.
The faults with the highest risk: spark plugs fail early: misfire, rough running, no-start (30,000–120,000 km, €50–250).
Chain.
0W-20 / 5W-30 · API SN · ~3.6 L · every 15,000 km.
Kia Rio III 2011–2017Hyundai i20 II 2014–2020Hyundai i10 II 2013–2019Hyundai i20 I 2008–2014Kia Stonic 2017–Kia Rio IV 2017–2023Kia Picanto II 2011–2017Kia Picanto III 2017–Hyundai i10 I 2008–2013Hyundai i20 III 2020–Hyundai i10 III 2019–
Main sources for the faults of this engine:
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles. How we check the data →
Updated 29/10/2026