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Discussion Starter #1
hey everyone, I'm new to honda but I have came across something that was fine at the start but now it's getting on my nerves don't know if it's a bug or a setting.

the digital speed readout is 4mph over the actual speed that I am doing . I've checked everything in the settings where the trip is etc and I have pressed to put them back to factory prefers but still no joy, is this a problem or is it because of a setting somewhere?
I sooner it be over than under but after a while it gets a bit annoying
regards
Phil
 

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How did you determine it was over by 4MPH, and at what speed?


Typically most manufacturers overestimate speed on their speedometers, and it gets worse the faster you go. Which is why you frequently see super accurate digital GPS speedos being used on car shows and record runs (even in ridiculously expensive cars).


My 8G was about 2-3MPH over at 50 IIRC.


Are the wheels on it stock? or have they been changed? That can add or lessen the problem depending on the final diameter.
 

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hey everyone, I'm new to honda but I have came across something that was fine at the start but now it's getting on my nerves don't know if it's a bug or a setting.

the digital speed readout is 4mph over the actual speed that I am doing . I've checked everything in the settings where the trip is etc and I have pressed to put them back to factory prefers but still no joy, is this a problem or is it because of a setting somewhere?
I sooner it be over than under but after a while it gets a bit annoying
regards
Phil
Hi

all our 4 civics were the same, and I think they all(8 gen's) are.

Not an issue for me, actually prefer it that way in the event the car speed should run away a little in any restricted length of road.
 

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Mines the same, whenever I pass those roadside speed indicator thingys my speedometer is constantly out by 4-5mph...
 

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Mine is 3mph out at 70 when checked against a phone based GPS app on my phone. My last car(Analogue Speedo) around about the same. I think the Digital speedo makes it look worse than on an old style Analogue Speedo that doesn't have 1mph increments. Good news is you should never really be caught speeding.
 

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Discussion Starter #6 (Edited)
How did you determine it was over by 4MPH, and at what speed?


Typically most manufacturers overestimate speed on their speedometers, and it gets worse the faster you go. Which is why you frequently see super accurate digital GPS speedos being used on car shows and record runs (even in ridiculously expensive cars).


My 8G was about 2-3MPH over at 50 IIRC.


Are the wheels on it stock? or have they been changed? That can add or lessen the problem depending on the final diameter.
thanks for the replies ( sorry I'm new to this forum I apologise if I'm replying in the wrong way)

just rough estimate I have used the usual road signs and my sat nav, my sat nav on previous car was spot on this one it's over and now that i have a dash cam the speed on that matches up with the others ones and still states that I'm 5mph over.
it's not a issue as such just wasn't to sure it was a problem I had or if others had it,
I would sooner it be 5mph over instead of 5mph under so suppose that's a bonus.

but looks like people have the same issue as I do so at least I know it's common .
as for the wheels their all stock and tyres are correct size.

im new to Honda's i have a 2008 1.8 ex what gen is that classed as
thanks again people if I am replying to posts in the wrong way could someone please point me in the right direction ?
regards
 

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8 generation- 2006 to 2010/11. 9 gen is a remodelling of the 8 gen with improved suspension and changes to the front,rear, engines and interior.

Ours is the 2009 1.8 auto. 'Been very pleased with the car 3 years on.
 

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I Hate tailgaters!
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thanks for the replies ( sorry I'm new to this forum I apologise if I'm replying in the wrong way)

just rough estimate I have used the usual road signs and my sat nav, my sat nav on previous car was spot on this one it's over and now that i have a dash cam the speed on that matches up with the others ones and still states that I'm 5mph over.
it's not a issue as such just wasn't to sure it was a problem I had or if others had it,
I would sooner it be 5mph over instead of 5mph under so suppose that's a bonus.

but looks like people have the same issue as I do so at least I know it's common .
as for the wheels their all stock and tyres are correct size.

im new to Honda's i have a 2008 1.8 ex what gen is that classed as
thanks again people if I am replying to posts in the wrong way could someone please point me in the right direction ?
regards


2008 says Mk8 to me.


Especially if it has a nose like this.


Sent from my iPhone using Tapatalk
 

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Discussion Starter #11
8 generation- 2006 to 2010/11. 9 gen is a remodelling of the 8 gen with improved suspension and changes to the front,rear, engines and interior.

Ours is the 2009 1.8 auto. 'Been very pleased with the car 3 years on.
ah right thanks, mine is a 2008 1.8 ex I shift, only had it a few weeks first Honda I have had and cannot fault it has a couple of annoying buts like no aux but that's easily sorted apart from that their very good cars
thank you for your reply
 

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My 8gen EX 1.8 is under by 3-4 mph.


I've only noticed this a few times when driving past those digital speed checkers on inner city roads that show your speed and request to slow down e.g. the car display shows 30mph, the speed checker shows 27mph.


(Sorry, not sure what those speed checkers are called, but I've seen them usually near a school or park)
 

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Discussion Starter #13
My 8gen EX 1.8 is under by 3-4 mph.


I've only noticed this a few times when driving past those digital speed checkers on inner city roads that show your speed and request to slow down e.g. the car display shows 30mph, the speed checker shows 27mph.


(Sorry, not sure what those speed checkers are called, but I've seen them usually near a school or park)
mine is the same but it's different at different speeds. 30mph I'm 5 over 70mph I'm 3 over .
it's not a issue though as to be honest I would sooner it be over than under.
think the only way you could fix it is to get a propper digital speed clock but the price of them wouldn't make it worth while
 

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mine is the same but it's different at different speeds. 30mph I'm 5 over 70mph I'm 3 over .
it's not a issue though as to be honest I would sooner it be over than under.
think the only way you could fix it is to get a propper digital speed clock but the price of them wouldn't make it worth while
Not sure if a software upgrade by Honda would fix it? To be honest, it's probably best to leave it and just aim to keep your speed down by 3mph when approaching a speed camera :wink3:
 

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All vehicle manufacturers speedometers are set up with a reading that is slightly under actual speed, it's 4-5 mph at low speed 7-8 mph at higher speeds so completely normal. It's to try and stop people exceeding the limits!!
 

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Discussion Starter #17
All vehicle manufacturers speedometers are set up with a reading that is slightly under actual speed, it's 4-5 mph at low speed 7-8 mph at higher speeds so completely normal. It's to try and stop people exceeding the limits!!
I had a feeling that could be the case but as it's the first car I have owned that has a digital display I wasn't to sure
 
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