the charging and travel times of our Supertest

The Ford Mustang Mach E has a comfortable range for considering long journeys. How much it’s worth in terms of fast charging to take full advantage of it remains to be seen.

The Ford Mustang Mach E is one of the electric vehicles in our Supertest with the best range. We calculated a value of 350km all round on our 500km reference route, on expressways and motorways with speed limits. But this is especially possible with its large battery, 91 kWh of usable capacity from a recent update. This allows it to perform a sleight of hand, drawing attention to the final range rather than consumption, which is high in absolute terms. Large battery, great autonomy, therefore, but which obviously needs to be filled. Will the Mustang Mach E do well in this game?

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Ford Mustang Mach E AWD ER charging curve: a full charge in 41 minutes

For fast DC terminal charging, the Mustang Mach E promises a maximum output of 150 kW with its large 91 kWh capacity battery (98.8 kWh gross). Thus he ranks among the good students in reading the technical sheet. But as with the Tesla Model Y, you’ll need to plug in about 10%, or even sooner, to see the 150kW color. Because if we recorded a peak at 160 kW from the start of our measurement, the curve immediately started to go downhill. And the latter is quite fast, as the charging power drops below 100 kW shortly after 40% charge. If the power is maintained more or less later, only 68 kW of power remain at 80%. This represents a -57.5% deviation from the observed peak on this fast charging curve.

In short, so far nothing new. On the other hand, it’s well over 80% that we were eager to see the improvements this update brings. Because before the SUV dropped directly to 11 kW. A power equivalent to that of a slow recharge on a public terminal. According to the manufacturer, it took 52 minutes to go from 80 to 90%. Unthinkable! Now, if the curve collapses just short of 81%, it stabilizes at 40kW, allowing it to go from 80 to 90% in 14 minutes. This is much more acceptable since it allows you to use 10% more battery.

It then takes another 30 minutes to fill up to 100% in a fast terminal. Ultimately, the 10 to 80 percent charge exercise takes 40 minutes (38 minutes according to the brochure), and full refueling requires an immobilisation of 1 hour 24 hours. This puts the Mustang Mach E on par with a Nissan Ariya 87 kWh.

Typical charging curve
10 to 80% 80 to 100% from 10 to 100%
Charging time (in mins) 40 44 84
Range gained (in km) 245 70 315

Autonomy recovered: 193 km in 30 minutes

On the motorway, the average range between 10 and 80% load is 245 km. This is what we measured with the Model Y (244km). However, the recharge is a little slower, which does not allow the Mach E to do as well by combining its recharge curve with its consumption. In the end, it can gain an average of 193km of range in half an hour, and is therefore very close to joining our club of over 200km in 30 minutes.

Autonomy found
Charging time (in mins) 15 30 45 60
Range gained (in km) 112 193 252 291

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Test – Nissan Ariya 87 kWh: the charging and driving times of our Supertest

Ford Mustang Mach E AWD ER Charging costs

During our various recharges, the terminals indicated an average of 65.82 kWh billed between 10 and 80% of the load. A quantity, including losses, quite consistent with the new useful capacity of the battery. Partner of the Ionity network since the beginning, the brand with the blue oval offers a discounted price list that brings the price to €0.32/kWh (subscription free for the first year, then €149/year). This brings the price of the useful top-up to €21. What could be better than swallowing the pill, given that this same full would represent a banknote of almost €45.50 at the public rate.

In our case, the average cost on the motorway is €8.60/100 km. A very interesting value, but let’s not forget to specify that it could be higher with other operators with, for example, €11.80/100 km with Electra top-ups or €15.85/100 km with Fastened.

Travel time for 500 km: 5h04

Despite its high fuel consumption, the Ford Mustang Mach E is one of the electric vehicles capable of stopping once to recharge on a 500km journey between Paris and the suburbs of Lyon. With the battery almost full at the start (95%), we managed to reach a first fast charging station with 9% charge remaining. An 80% recharge will therefore be sufficient to allow us to travel the remaining 200 km before crossing the finish line with 19% charge.

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Test – Tesla Model Y Performance: the charging and driving times of our Supertest

In the end we recharged for exactly 40 minutes, in line with our recharge curve. Added to the usual travel time of 4h 20 and the times for evolutions on the areas and connections (4 minutes), we calculate a total time of 5h 04 to travel the 500 km of reference.

Note that the Mustang Mach E has a route planner on board. If you don’t communicate the top-up rate upon arrival, you prefer to indicate the remaining autonomy, based on current consumption. Which will not be without unpleasant surprises when you get your wheels on the highway. In any case, it will be necessary to manually add the charging stations to the route, selecting them using the proposed filters. From the independent designers, we found ABRP to be more consistent as it builds well on the battery’s usable capacity of 91kWh. Chargemap was much more optimistic than reality with a single 25-minute shutdown, as it appears to account for the 98.8kWh raw capacity.

What is the Supertest?

Lovers of numbers and allergic to official datasheets, the Supertest, the new Automobile-Propre test format, is made for you, bringing together the data collected during a test in real conditions and according to a transparent and precise protocol. We will add them the Wednesday following the publication of the second part dedicated to the Ford Mustang Mach E AWD ER to our article summary allowing you to compare the measured values ​​of the tested models, which will make the whole value of the tested.

If you want to go further, don’t hesitate to consult our tests and exchange with the community on our discussion forum.

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