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What is the fuel consumption of the Peugeot 408?

2 Answers
Nathan
09/04/25 4:24am
Peugeot 408 fuel consumption: 6.4 liters/100km. Below is an introduction to the fuel consumption of the Peugeot 408: Fuel consumption: Fuel consumption test, the 1.6T model has an actual average fuel consumption of 7.9L/100km, and the 1.2T model has an actual average fuel consumption of 6.8L/100km. These two models were not tested at the same time or on the same route, but the driving conditions were basically the same, both with the air conditioning on. The actual fuel consumption was about 0.5L/100km higher than the displayed fuel consumption. Fuel efficiency: Peugeot officially stated that the 408's transmission and engine have been tuned. Although there is not much change in driving performance, some effect has been achieved in terms of fuel consumption. The air conditioning cooling effect of the 408 is not particularly strong, which may not be a good thing, but it is believed that this aspect has objectively contributed to fuel efficiency.
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DeMariana
09/16/25 5:29am
As a frequent driver of the Peugeot 408, I've noticed that fuel consumption typically ranges between 7 to 9 liters per 100 kilometers, depending on driving style and road conditions. During city driving, especially in peak hours like in Beijing, consumption can rise to 9 or even 10 liters due to frequent stops and starts and traffic congestion increasing engine load. On highways, it's much more economical, maintaining a steady speed of around 120 km/h usually results in 6.5 to 7.5 liters. I've tested different engine models—the 1.6T gasoline version averages about 7.5 liters, while the 1.2T might be slightly lower. Factors affecting consumption include driving habits—rapid acceleration and braking can easily push up fuel usage, and cold starts in low temperatures consume more. Regular maintenance, such as changing engine oil to keep the engine running smoothly, can help stabilize consumption at around 7 liters in the long term. Planning routes in advance to avoid congestion during long highway trips can also significantly save fuel overall.
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