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I drive a 2009 fiat sienna and just did my first highway drive in it and noticed it revs at 4000rpm at 130kmh. 3800 at 120kmh is this normal? Cause it always sounds like it needs another gear. Acceleration is fine.

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  • A 5 L won't turn so fast. My 5.6 Nissan Titan turned about 1600 at 120 kmh. Commented Jan 3, 2022 at 18:36
  • Did this just start recently, or has it always been like that? If it has changed what RPMs did it cruise at before? Is this an automatic or manual, and what size engine is it?
    – GdD
    Commented Jan 4, 2022 at 11:07
  • Does this car have a tachometer? If so, where on the gauge does the red zone appear on the dial? I’m assuming 5,500 rpm or so? That should be your guide on keeping the engine “safe from damage”.
    – zipzit
    Commented Jan 4, 2022 at 14:43

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If this is a smaller engine 1 to 1.5 litres then sounds about right.

My car is 2.2 litres and 120kmh is about 2000rpm and 135knmh is about 2200. Has a 6 speed box (plus reverse).

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