Jeep Grand Cherokee IV (WK2) (2011 – 2021)

Reliability score : 6.2/10

The fourth-generation Jeep Grand Cherokee (codename WK2) marks a turning point for the model. Developed jointly with Mercedes-Benz (sharing its platform with the ML W166), it abandons the solid axle for independent suspension, offering transformed road handling while retaining excellent off-road capabilities (Quadra-Trac II and Quadra-Drive II systems). It benefited from a major facelift in 2014 (introduction of the excellent 8-speed ZF automatic gearbox and an updated cabin) and a slight retouch in 2017. While its petrol engines (V6 Pentastar and V8 Hemi) shine with their robustness, the diesel version (3.0 CRD / EcoDiesel), highly prized in Europe, suffers from serious reliability flaws. Furthermore, the onboard electronics and the optional air suspension weigh on its overall reliability

✅ Strengths

Exceptional off-road capabilities (Quadra-Drive II, low range)
Extremely robust and reliable petrol engines (Pentastar and Hemi)
Ride comfort and soundproofing (especially with the air suspension)
Smooth and responsive 8-speed ZF automatic gearbox (from 2014)
Timeless and statutory design
High towing capacity (up to 3,500 kg)

⚠️ Weaknesses

Disastrous reliability of the 3.0 diesel engine (EGR, HP pump, crankshaft position sensor)
Recurring electronic bugs (Uconnect multimedia system, various sensors)
Fragile Quadra-Lift air suspension that is very expensive to repair
Gargantuan fuel consumption of the V8 engines
Uneven interior finish and fitment on models before the 2014 facelift
Very high weight penalizing agility and brake/tire wear

🎯 Verdict

The Jeep Grand Cherokee WK2 is an undeniably charming SUV, offering a rare blend of luxury, comfort, and genuine off-road capabilities. However, the choice of engine entirely dictates the ownership experience. The 3.0 V6 diesel engine (CRD/EcoDiesel), which accounts for the overwhelming majority of sales in Europe, is a documented problem engine (fragile injection pump, cracked EGR cooler, faulty crankshaft position sensor). Conversely, the petrol engines (3.6 V6 Pentastar and 5.7 V8 Hemi) are praised by inspection bodies (ADAC, TÜV) for their great mechanical robustness. Regardless of the engine, the temperamental electronics and aging air suspension require a substantial maintenance budget. Buy in petrol if possible, or in diesel only if all critical recalls have been performed with supporting invoices.

Common issues

Fuite du refroidisseur d'huile moteur (3.0L EcoDiesel) High

🔧 80 000 – 150 000 km

💶 1 000 – 2 000 €

Vérifier régulièrement le niveau et la qualité de l'huile et du liquide de refroidissement.

Encrassement de la vanne EGR et/ou du filtre à particules (FAP) Medium

🔧 100 000 – 180 000 km

💶 400 – 800 € (EGR), 1 500 – 3 000 € (FAP)

Privilégier les longs trajets, effectuer des régénérations forcées si nécessaire.

Défaillance du système de suspension pneumatique (Quadra-Lift) High

🔧 80 000 – 160 000 km

💶 800 – 1 500 € (compresseur), 600 – 1 200 € (par jambe de force)

Inspecter visuellement la hauteur du véhicule, écouter le compresseur.

Défaillance du turbocompresseur High

🔧 150 000 – 250 000 km

💶 1 500 – 3 000 €

Respecter les intervalles de vidange, laisser le moteur refroidir après usage intensif.

Estimated maintenance costs

Oil change	£100 – 180
Timing chain	£1 200 – 2 500 (replacement if failure, not preventative)
Complete brakes	£400 – 750
Estimated annual budget	£650 – 1 300

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