Jeep Wrangler IV (JL) (2018 – 2025)

Reliability score : 6.5/10

The fourth-generation Jeep Wrangler (code name JL) marks a major evolution for the off-road icon. While retaining its rustic architecture (ladder frame, rigid axles) essential for its extraordinary off-road capabilities, it takes a giant leap forward in terms of finish quality, ride comfort, and on-board technology (Uconnect system). This generation introduces modern engines, notably a 4-cylinder turbo, a plug-in hybrid version (4xe) highly prized in Europe for tax reasons, and a monstrous V8 (392) in North America. Diesel Focus: The Wrangler JL offered two distinct diesel options depending on the market: the 2.2 Multijet (CRD) in Europe, robust but penalized by the eco-tax, and the 3.0 V6 EcoDiesel in North America, torquey but struck by serious injection pump problems. A facelift occurre

Common issues

Défaillance du refroidisseur EGR (moteur 3.0L EcoDiesel) High

🔧 80 000 – 150 000 km

💶 1 500 – 3 000 €

Surveiller le niveau de liquide de refroidissement et la fumée blanche à l'échappement.

Panne de la pompe haute pression (HPFP) (moteur 3.0L EcoDiesel) High

🔧 100 000 – 200 000 km

💶 4 000 – 8 000 €

Utiliser du carburant diesel de qualité supérieure et éviter de rouler avec un réservoir vide.

"Death Wobble" (instabilité directionnelle à vitesse élevée) Medium

🔧 50 000 – 120 000 km

💶 300 – 1 500 €

Faire vérifier régulièrement les composants de direction et de suspension (barre Panhard, rotules).

Infiltrations d'eau (joints de toit et de portes) Low

🔧 Dès 30 000 km

💶 100 – 500 €

Inspecter et lubrifier les joints, s'assurer d'un bon ajustement des panneaux de toit.

Estimated maintenance costs

Oil change	£90 – 160
Timing chain	£350 – 800 (si remplacement nécessaire)
Complete brakes	£280 – 550
Estimated annual budget	£650 – 1 300

Indicative estimates (independent garage, UK market). Prices vary by region and year.