eTradeWire -- Marshmallow Move analysed more than 10 million trips over three months, scoring driving behaviours out of 100 and grouping them into six ratings: Dangerous, Very Poor, Poor, Average, Good, and Excellent.

BMW drivers scored Poor or worse for harsh braking 55% of the time followed by Audi drivers at 54%. Both exceeded the overall average score of 51%.

Nearly one in four BMW drivers (24%) had a Dangerous braking score, second only to Audi with 25%.

Audi and BMW drivers worst for harsh braking

Over half of drivers analysed (51%) received a braking rating of Poor or worse. Of the 25 car manufacturers measured, BMW recorded the lowest braking scores.

BMW, Audi, Vauxhall, and SEAT were the only four with an average braking rating of Poor.

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BMW and Audi drivers also recorded high proportions of Poor-or-worse ratings across other driving behaviours:

Car make   Braking    Phone usage   Cornering   Speeding   Acceleration

BMW   55%   40%   30%   20%   26%

Audi   54%   39%   30%   21%   26%

Vauxhall   53%   31%   25%   15%   9%

Ford   52%   32%   27%   15%   10%

Nissan   52%   31%   17%   12%   9%

Honda   51%   28%   23%   10%   7%

Volkswagen   50%   35%   26%   14%   18%

Mercedes-Benz   50%   39%   21%   19%   21%

Hyundai   49%   32%   20%   12%   10%

Toyota   48%   29%   16%   11%   7%

Data showed that the worst 25% of phone users had a Poor braking score on average. In comparison, the best 25% of phone users received a Good braking rating.

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Stephen Hemmings, Marshmallow's Group Product Manager for Telematics, said: "Distraction can reduce the time drivers have to recognise and respond to changing road conditions, increasing the likelihood of sudden braking. We hope these insights will encourage drivers to give the road their full attention and anticipate hazards as best as possible."

Marshmallow Move is Marshmallow's telematics-based car insurance, using driving data to assess various behaviours. Drivers receive regular ratings designed to help them see how they could drive more safely. Unlike other telematics products, drivers get a discount up front on their premium, which is fixed for the year.

Visit marshmallow.com/harsh-braking-report for more analysis.