IsItAGoodCar
Reliability Guide

Common Problems with the
2020 Suzuki Jimny (Gen 4)

The transition year from 4-seater to 2-seater LCV model. These models benefit from resolved recall issues but still require careful checking for off-road abuse and chassis damage.

What changed for 2020

  • •Transition from 4-seater to 2-seater LCV model
  • •Updated safety equipment options

Common MOT watch-outs

  • !Rear wheel bearing failure on off-road used examples
  • !Chassis damage from heavy off-road use
  • !Worn radius arm bushes causing steering issues
4
Known Issues
2
Serious
2
Moderate
0
Minor

All Known Issues

Fuel Pump Impeller Swelling

SeriousFuel System

A recall was issued for fuel pumps with a defective impeller material that can swell over time, particularly due to ethanol content in modern fuel. This can cause the pump to stop working and the engine to stall without warning.

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

Engine stalling without warning, Difficulty starting, Fuel pump warning light

What to Inspect:
  • Check with a Suzuki dealer that the fuel pump recall has been completed
  • Verify VIN against recall records on GOV.UK
Verified by IsItAGoodCar Research Team

Door Wiring Harness Wear

SeriousElectrics & Electronics

A recall was issued for door harness wiring that can break from repeated opening and closing of the door. If the wiring breaks, the side impact airbag sensor may fail to operate in an accident.

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

Side airbag warning light, Door window or mirror intermittently not working, Interior light not triggering when door opens

What to Inspect:
  • Check recall status with a Suzuki dealer
  • Test all door-operated electrical functions
Verified by IsItAGoodCar Research Team

Chassis Corrosion (Lack of Protection)

ModerateBodywork & Rust

The factory underseal is minimal, leading to early surface rust on the ladder frame.

Est. Repair Cost: £300–£600 (Undersealing)
Warning Signs:

Orange surface rust on the frame, Corrosion on bolt heads

What to Inspect:
  • Look under the car at the main frame rails
Verified by IsItAGoodCar Research Team

Rear Wheel Bearing Failure

ModerateSuspension & Chassis

The rear wheel bearings can fail prematurely, especially on cars that have been used off-road or fitted with oversized tyres. The bearings are relatively inexpensive but labour-intensive to replace.

Est. Repair Cost: £250–£500
Warning Signs:

Humming or droning noise from the rear, Noise increases with speed, Play in the rear wheel when jacked up

What to Inspect:
  • Jack up the rear wheels and check for play
  • Listen for bearing noise during a test drive at 40-60mph
Verified by IsItAGoodCar Research Team

Buying Tips for 2020 Suzuki Jimny (Gen 4)

  • Verify whether it's a passenger or LCV model
  • Check the chassis for any signs of off-road damage
  • Test the 4WD system engagement thoroughly
20192021
Check a 2020 Suzuki Jimny (Gen 4) by Registration