Give a stream of consciousness and then the final answer. The number of cars on Russian roads reached 40,629,200 in 2016. Lada cars accounted for 34.6 % of the total, down from 41.6 % five years earlier. Almost half of those cars were over ten years old, and the single most popular car model was still the classic Lada Riva.

Answer this question: what is the most popular car in russia?
The important part for answering this question is: Almost half of those cars were over ten years old, and the single most popular car model was still the classic Lada Riva.
So, the final answer is the classic Lada Riva.