
Case Study · Predictive Analytics
Customer Churn Prediction Model for the Automotive Industry
A model that predicts which customers are likely to stop using the dealership for service, and when, so retention teams can act before those customers move to independent garages.
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Client
Dealer network with high post-warranty service attrition
Industry
Automotive
Delivers
Churn risk and timing for every customer
The problem
Aftersales is one of a dealership's most profitable lines, but many customers stop returning once their warranty ends. By the time a missed service shows up in a report, the customer has usually already moved to another garage.
Approach
- Churn definition agreed with the business: no service visit within the expected interval plus a grace period, based on estimated mileage.
- Features include service history and intervals, vehicle age, warranty end date, satisfaction scores, complaints, campaign responses and distance to the dealership.
- A gradient-boosted classifier for 6-month churn risk, plus a survival model that estimates when churn is likely.
- Explanations for each customer show why they are at risk, for example a price complaint, a long gap since the last visit or an expiring warranty.
From prediction to action
- Customers are grouped into risk tiers, each with a retention playbook: service-plan offers, personalised reminders, loyalty rewards or a call from their service advisor.
- Offers are targeted at customers the intervention is likely to win back, not those who would return anyway.
- Risk scores and tasks appear in the CRM, and a retention dashboard tracks results.
KPIs we design for
Service retention rate
Tracked against a control group
Aftersales revenue retained
Attributed to each campaign
Campaign efficiency
Offers go to customers they can win back
Early warning
At-risk customers flagged months ahead
Technology
PythonLightGBMlifelines (survival analysis)SHAPCloud data warehouseCRM integration
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