IsItAGoodCar
Reliability Guide

Common Problems with the
2021 Suzuki Swift (Mk3/A2L)

We've identified 3 known issues that can affect the 2021 Suzuki Swift (Mk3/A2L). None are considered critical, but they're worth knowing about before you buy.

3
Known Issues
0
Serious
1
Moderate
2
Minor

All Known Issues

Hybrid System Software Glitches

ModerateElectrics & Electronics

Early mild-hybrid models could experience issues where the battery wouldn't charge or discharge correctly, often fixed with a software update.

Est. Repair Cost: £0–£100
Warning Signs:

Hybrid battery indicator not moving, Stop-start system not engaging

What to Inspect:
  • Check if the hybrid system cycles during the test drive
  • Ask about software recalls
Verified by IsItAGoodCar Research Team

Fragile Paint / Stone Chips

MinorBodywork & Rust

Thin paint application leads to rapid stone chip buildup on the bonnet and front bumper.

Est. Repair Cost: £150–£400
Warning Signs:

Multiple small chips on front end, Surface rust on chips if untreated

What to Inspect:
  • Examine the bonnet leading edge very closely
Verified by IsItAGoodCar Research Team

Infotainment Connectivity

MinorElectrics & Electronics

The SLDA infotainment unit can be prone to freezing or losing smartphone connection.

Est. Repair Cost: £0 (Update)
Warning Signs:

Screen freezing, Apple CarPlay/Android Auto dropping out

What to Inspect:
  • Test smartphone mirroring and DAB radio stability
Verified by IsItAGoodCar Research Team

Buying Tips for 2021 Suzuki Swift (Mk3/A2L)

  • ✓Test the "Boostergreen" mild-hybrid system for smooth transitions.
  • ✓Check the infotainment screen for lag or freezing.
  • ✓Inspect the front bumper alignment; the clips are quite fragile.
20202022–2023
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