Consumption with and without load:

Consumption with and without load:

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(Elbil24): Norwegians are undoubtedly interested in range when it comes to choosing an electric car. One thing is what the car promises in terms of range limit (WLTP), the other thing is how far it actually goes. Temperature, driving style, tires and road profile.

The way the vehicle is loaded can also play a big role. For example, if you have a bike rack, roof box or trailer, this will increase consumption and reduce range. but how much?

The German member organization Adac, Germany’s answer to Naf, conducted a major test with a total of nine variants of additional pregnancies. Writes engine.

Adac used the Kia EV6 as a concept car and let it try its hand at:

  • Four trailers of different weight and shape
  • Various loading racks for roof and trailer mounting.

halves range

We proceed directly to the biggest results in the test: if you put a convoy behind a Kia EV6, you risk lowering the range. Adac tests show that consumption increases by up to 103 percent at 100 km / h.

If you slow down, you can reduce the loss of range. According to Adac, consumption increases by 79 percent at 90 km/h and 54 percent at 80 km/h.

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If you replace the caravan with a horse trailer, then the consumption increases by 83% at 100 km / h.

Increased consumption with trailer load and roof:


kw consumption

Percentage increase

Trailer (without brakes) 20.8 1
Trailer (without brakes, with canopy) 25.5 24
square roof 23.4 14
Roof rack (without bikes) 21.6 5
roof rack (2 bikes) 27.4 33
roof tent 27.4 33
Rear bike rack (2 bikes) 22.2 8
Horse trailer 37.6 83
mobile home 41.9 103

The tests were carried out on a German highway at a speed of 120 km / h. The tests were carried out with a trailer at a speed of 100 km / h. The Kia EV6 without load consumes 20.6 kWh at 120 km / h.

bike on trailer hitch

Among the other key findings from the test, it’s worth noting that it’s wise to use a hitch when hauling bikes.

If you put two bikes on the roof of the EV6, the consumption increases by 33 percent (at 120 km / h on the German highway). If you instead use a bike rack at the rear of the towbar, consumption increases by only 8 percent at the same speed.

  • Not sure about the speed limits for cars with trailers? Read more here!
You lose less range if you put the bikes in the back of the car instead of on the roof.  Photo: Tesla.

You lose less range if you put the bikes in the back of the car instead of on the roof. Photo: Tesla.
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If you’ve first ridden rooftop bikes, but know your next ride will be without bikes, it’s a good idea to remove the roof rack. The roof rack without bikes increases consumption by 5 percent at 120 km/h.

What about the number of passengers?

Adac tests show that consumption increases by 6 percent if you move from an empty car (with a driver) to a car with a driver and four passengers. The difference in weight in this case was 280 kilograms.

At the same time, Adac notes that the test loop was demanding, with more speed, acceleration and braking than what’s typical for normal driving.

So Adac concludes that the car internal Surprisingly, weight has nothing to do with consumption.

Dalila Awolowo

Dalila Awolowo

"Explorer. Unapologetic entrepreneur. Alcohol fanatic. Certified writer. Wannabe tv evangelist. Twitter fanatic. Student. Web scholar. Travel buff."

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