IsItAGoodCar

Common Problems with the
2021–2024 Kia Sportage (NQ5)

We've identified 3 known issues that can affect the 2021–2024 Kia Sportage (NQ5). None are considered critical, but they're worth knowing about before you buy.

3
Known Issues
0
Serious
3
Moderate
0
Minor

All Known Issues

12V Battery Drain (HEV/PHEV)

ModerateElectrics & Electronics

A major talking point for UK NQ5 owners. The 12V battery can drain unexpectedly when the car is parked, often due to the car not entering "deep sleep" or parasitic draw from connected services.

Most affected: 1.6 T-GDi HEV, 1.6 T-GDi PHEV

Estimated cost: £0–£250Affects: 2021–2024Often appears around: Any

Typical symptoms

  • •Car completely dead after standing
  • •"12V battery discharging" warnings
  • •Remote app features failing

What to inspect before you buy

  • ✓Ask if the owner has experienced a flat battery
  • ✓Check dealer records for BMS software updates

48V Mild-Hybrid System Faults

ModerateElectrics & Electronics

The MHEV system can trigger warning lights or fail to provide electrical assistance if the 48V battery or its control unit develops a fault.

Most affected: 1.6 T-GDi MHEV, 1.6 CRDi MHEV

Estimated cost: £0–£1,200Affects: 2021–2024Often appears around: 10,000–30,000 miles

Typical symptoms

  • •"Check 48V system" warning
  • •Rough engine restart from stop/start
  • •Reduced fuel economy

What to inspect before you buy

  • ✓Confirm the car coasts (engine off) correctly in Eco mode
  • ✓Check for recall or service campaigns related to the 48V battery

DCT Gearbox Judder

ModerateGearbox & Transmission

While the HEV and PHEV use a smooth 6-speed torque converter auto, the petrol-only MHEV uses the 7-speed DCT which can still suffer from low-speed judder.

Most affected: 1.6 T-GDi MHEV (DCT)

Estimated cost: £800–£1,600Affects: 2021–2024Often appears around: 20,000–50,000 miles

Typical symptoms

  • •Vibration when pulling away
  • •Hesitation in stop-start traffic
  • •Jerky gear changes

What to inspect before you buy

  • ✓Test the car in traffic; if it shudders when cold, the clutch packs may be failing

Buying Tips for the 2021 Kia Sportage (NQ5)

  • ✓For HEV and PHEV models, verify that the 12V battery management software update (TSB ELE323) has been applied
  • ✓On Mild-Hybrid (MHEV) models, check for 48V battery warning lights and ensure the stop/start system functions smoothly
  • ✓Test the infotainment and digital dashboard for any flicking or freezing, as early 2023 models had software glitches
  • ✓On non-hybrid petrol models with the 7-speed DCT, check for the familiar dual-clutch judder in stop-start traffic

Browse 2021–2024 Kia Sportage (NQ5) in our Directory

View MOT history, registration data, and reliability scores for 2021–2024 Kia Sportage (NQ5) vehicles.

View 2021–2024 Directory

Other Kia Sportage (NQ5) Year Periods

2021–2024

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