Lexus IS III (XE30) (2013 – 2020)

Reliability score : 9.3/10

The third-generation Lexus IS (code name XE30) marks a radical turning point for the Japanese premium family sedan. Caution: contrary to the initial request, the Lexus IS III was NEVER offered with a diesel engine. Burned by the reliability issues of the 2.2 D-4D block (IS 220d/200d) on the previous generation (XE20), Lexus made the strategic decision to completely abandon diesel in favor of its hybrid technology (IS 300h). This generation stands out with a bold design (trapezoidal grille, L-shaped daytime running lights), exceptional finish quality, and a highly dynamic chassis. It establishes itself as one of the most reliable sedans in its segment, offering a prime alternative to the German trio (3 Series, C-Class, A4).

✅ Strengths

⚠️ Weaknesses

🎯 Verdict

The Lexus IS III (XE30) is a masterful choice on the used market. If you were looking for a diesel, you need a paradigm shift: Lexus had the intelligence to abandon this engine (too fragile on the previous generation) in favor of the 300h hybrid. This 300h version offers a reliability that competing German diesels (N47, OM651, TDI) simply cannot match in the long term, while offering similar fuel consumption in mixed use. With a What Car? reliability score of 4.5/5 and glowing ADAC/TÜV statistics, it is an absolute 'peace of mind' purchase. Only its dated multimedia system and reduced rear roominess prevent it from reaching perfection.

Common issues

Encrassement du filtre à particules (FAP) Medium
🔧 80 000 – 150 000 km
💶 800 – 2 500 €
Privilégier les longs trajets réguliers pour régénérer le FAP.
Dysfonctionnement de la vanne EGR (encrassement) Medium
🔧 70 000 – 130 000 km
💶 400 – 900 €
Un nettoyage préventif peut prolonger sa durée de vie.
Problèmes d'injecteurs (fuites, encrassement) High
🔧 100 000 – 180 000 km
💶 400 – 800 € par injecteur
Utiliser du carburant de qualité et surveiller la consommation/fumée.
Fuite de la pompe à eau Medium
🔧 90 000 – 160 000 km
💶 350 – 650 €
Vérifier régulièrement le niveau de liquide de refroidissement.

Estimated maintenance costs

Oil change £90 – 160
Timing chain £850 – 1 700 (rarement nécessaire avant 150 000 miles)
Complete brakes £280 – 550
Estimated annual budget £600 – 1 200

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