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Most efficient drive mode for highway driving

8.1K views 5 replies 5 participants last post by  Chibibowa  
#1 ·
New to the EV vehicle simply what is the best driving modes for highway driving? Should we be concerned with charging while driving? We have made three trips, each about 200-300 miles. ECO and charge seems to be good. Reading the forums Normal and Save seems to be the be the most efficient or ECO and Save. Power and Charge are not efficient. What about Normal or ECO and EV Normal? Any advice would be appreciated.
 
#2 ·
Depends on your goal i think. Overall saving your battery for street driving is most efficient but I don't drive far on highway so I try to use EV - my last long trip I did use save there and then charge and got like 30 mpg not driving slow.
 
#3 ·
The difference between Save and Charge is that Save goes into EV mode when the battery has been charged past the set point and then goes back to a hybrid (parallel and/or series) when the drive battery depletes to a set point and then the ICE/regen braking recharges back to the set point. Charge recharges the battery to 60% and does not go into EV when the drive battery is below 60%. Because Save goes into EV occasionally, you will get better fuel economy. But if you need a decent battery charge at your destination for more urban driving, then Charge may be the way to go to better overall energy economy.

For AWC use Eco or Normal for good driving conditions. Eco just mutes accelerator pedal pressure to artificially give you a "lighter foot", and less HVAC. You want Gravel if its really wet or icy and Snow when the road is snow-covered. Power is for passing, and Tarmac is to give a more planted feel on twisty roads and both are not as efficient as more energy is diverted to the rear motor.
 
#4 ·
I hope that AWC is also available in Tarmac mode. Because I exclusively drive EV or Tarmac when battery hits 55%. I don’t like the other modes at all. For technical reasons (battery depletion and charges back to back will kill your battery and changing that will cost more than just driving on tarmac mode like I do here).

(I drive the 2024 Eclipse Cross, France model. 2.4L).

for 30km trips I only use EV even if I go lower than 55%. Any other situation will be manually switched to TRMC.
 
#5 ·
The most economical mode for highway is "slower". The mode is accessed by slightly angling the right foot upward :)
Tests on my previous Nissan Leaf and Chevy Bolt indicated around 30% longer range at 90 than 110 km/hr (55 vs 65 mph). I assume ICE consumption rates are similar.
I doubt you can achieve gains anywhere close to that by trying to figure out optimal mode selection.
The difference in elapsed time is mind-bogglingly small.
 
#6 ·
The most economical mode for highway is "slower". The mode is accessed by slightly angling the right foot upward :)
Tests on my previous Nissan Leaf and Chevy Bolt indicated around 30% longer range at 90 than 110 km/hr (55 vs 65 mph). I assume ICE consumption rates are similar.
I doubt you can achieve gains anywhere close to that by trying to figure out optimal mode selection.
The difference in elapsed time is mind-bogglingly small.
Ain’t no way I’m doing 90 or 105 on a 130 kmph road where I usually drive 135 kmph (Real GPS speed 130).

I will pay a bit more. But I won’t get asleep on the road :p. PHEV easy refuel and you’re back on track within 5 minutes.