Michael's V8Y62

[rusty_nail]

No it doesn't it states the allowable difference between speedo and road speed + a fudge figure. The formula for ADR 18 (as of 2006) for our vehicles is 0 ≤ (V1 – V2) ≤ 0.1 V2 + 4 km/h. V1 is speedo speed, V2 is actual speed. So 0 ≤ (100 – 91) ≤ 0.1 91 + 4 km/h can be up to 13 kmh (0.1 91 + 4 = 13.1) which is ridiculous (infact teh entire formula is ridiculous as it encourages inaccuracy +4 kmh more which adds even more inaccuracy). We are given 5% leeway on speeding tickets (go higher than 42kmh in a school zone in NSW and you are in trouble) yet we can be going as low as 86.9 kmh when our speedo reads 100 kmh.

In all honesty I've never owned a vehicle that is more than 5 kmh out and that's why it was so noticable to me and why I'm researching GPS HUDs.

Yeah mate I get it, I'm actually driving a new SsangYong ATM and the speedo reads similar to yours so I feel your pain. I just run off the android auto Speedo and it's all gravy

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