Chevrolet Aveo II (T300) (2011 – 2017)

Reliability score : 7.2/10

The second-generation Chevrolet Aveo (code name T300), also sold as the Chevrolet Sonic in North America and other markets, marks a complete break from the previous generation (T250). Based on General Motors' global Gamma II platform (shared with the Opel Corsa E and Opel Mokka), it offers transformed road handling, top-tier safety (5 Euro NCAP stars), and a bold design, characterized by its unfaired round headlights and motorcycle-inspired instrument cluster. In Europe, its career was abruptly interrupted in late 2014 / early 2015 following General Motors' decision to withdraw the Chevrolet brand from the Old Continent to protect Opel. This led to a drastic drop in its value on the used market. Although the official network has disappeared, maintenance remains easy because almost all of i

✅ Strengths

⚠️ Weaknesses

🎯 Verdict

The Chevrolet Aveo II (T300) is the archetype of a smart used purchase, provided you accept its "orphan" badge in Europe. It offers modern features, a secure chassis, and often comprehensive equipment for a negligible price. Regarding the diesel engine (1.3 VCDi): It is a Fiat-sourced engine that is extremely frugal and capable in its 95 hp version. However, it requires strictly highway or extra-urban use. If you drive in the city, the DPF will clog, the EGR will foul, and oil dilution will lead to fatal wear of the timing chain. For mixed or urban use, it is imperative to favor the petrol engines (1.2 or 1.4), which are certainly less torquey, but much more tolerant and less expensive to maintain in the long run.

Common issues

Vanne EGR (Recirculation des Gaz d'Échappement) encrassée ou défectueuse Medium
🔧 80 000 – 150 000 km
💶 400 – 800 €
Une conduite régulière sur autoroute aide à prévenir l'encrassement de la vanne EGR.
Filtre à particules (FAP/DPF) obstrué ou nécessitant une régénération forcée Medium
🔧 100 000 – 180 000 km
💶 1 000 – 2 000 € (pour remplacement, nettoyage 300-600€)
Éviter les petits trajets urbains fréquents; effectuer des régénérations régulières.
Injecteurs de carburant défectueux ou fuyants Medium
🔧 120 000 – 200 000 km
💶 600 – 1 200 € (pour 1 ou 2 injecteurs)
Utiliser du carburant de qualité et des additifs nettoyants préventifs pour le système.
Volant moteur bi-masse (VMB) et/ou embrayage usé High
🔧 100 000 – 180 000 km
💶 900 – 1 800 €
Éviter les démarrages brusques et les patinages excessifs pour prolonger la durée de vie.

Estimated maintenance costs

Oil change £70 – 130
Timing chain £650 – 1 300
Clutch £750 – 1 400
Complete brakes £220 – 480
Estimated annual budget £550 – 1 100

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