is it too noisy at 70 mile/hr?
#1
is it too noisy at 70 mile/hr?
got some sound level for cars... and tested F30 328i, really noisy and disappointed, A6 wind noise too... same infiniti G37...
how come GS350 even more noisy than MB C250 at 70 miles/hr...
is there a way to remove "the sound generator pipe"? can the dealer do this?
GS350 F sport:
Sound level @ idle (dB) 39.7
@ Full throttle (dB) 70.0
@ 70 mph cruise (dB) 63.5
Engine speed @ 70 mph (rpm) 1,900
G37 sedan
Sound level @ idle (dB) 42.6
@ Full throttle (dB) 77.6
@ 70 mph cruise (dB) 68.3
Genesis
Model year 2009
Sound level idle (db) 43.8
Sound level full throttle (db) 72.3
Sound level 70 mph cruise (db) 63.3
GS 350
Model year 2008
Sound level idle (db) 39.2
Sound level full throttle (db) 72.2
Sound level 70 mph cruise (db) 64.7
Model year 2008 M3
Sound level idle (db) 50.8
Sound level full throttle (db) 82.9
Sound level 70 mph cruise (db) 68.5
BMW 328i:
Sound level @ idle (dB) 41.6
@ Full throttle (dB) 73.9
@ 70 mph cruise (dB) 65.6
Engine speed @ 70 mph (rpm) 2,400
Audi A4:
Sound level @ idle (dB) 44.1
@ Full throttle (dB) 70.5
@ 70 mph cruise (dB) 63.9
Engine speed @ 70 mph (rpm) 2,250
MB C250:
Sound level @ idle (dB) 45.2
@ Full throttle (dB) 72.3
@ 70 mph cruise (dB) 61.8
Engine speed @ 70 mph (rpm) 2,400
how come GS350 even more noisy than MB C250 at 70 miles/hr...
is there a way to remove "the sound generator pipe"? can the dealer do this?
GS350 F sport:
Sound level @ idle (dB) 39.7
@ Full throttle (dB) 70.0
@ 70 mph cruise (dB) 63.5
Engine speed @ 70 mph (rpm) 1,900
G37 sedan
Sound level @ idle (dB) 42.6
@ Full throttle (dB) 77.6
@ 70 mph cruise (dB) 68.3
Genesis
Model year 2009
Sound level idle (db) 43.8
Sound level full throttle (db) 72.3
Sound level 70 mph cruise (db) 63.3
GS 350
Model year 2008
Sound level idle (db) 39.2
Sound level full throttle (db) 72.2
Sound level 70 mph cruise (db) 64.7
Model year 2008 M3
Sound level idle (db) 50.8
Sound level full throttle (db) 82.9
Sound level 70 mph cruise (db) 68.5
BMW 328i:
Sound level @ idle (dB) 41.6
@ Full throttle (dB) 73.9
@ 70 mph cruise (dB) 65.6
Engine speed @ 70 mph (rpm) 2,400
Audi A4:
Sound level @ idle (dB) 44.1
@ Full throttle (dB) 70.5
@ 70 mph cruise (dB) 63.9
Engine speed @ 70 mph (rpm) 2,250
MB C250:
Sound level @ idle (dB) 45.2
@ Full throttle (dB) 72.3
@ 70 mph cruise (dB) 61.8
Engine speed @ 70 mph (rpm) 2,400
Last edited by Johnwang12; 03-27-12 at 02:49 PM. Reason: change
#3
Fsport got 19inch low profile hp tires and stiffer suspension, this will result into more road noise
C250 most likley got all season 17inch and soft suspension and also got a very good sound insulation itself.
C250 most likley got all season 17inch and soft suspension and also got a very good sound insulation itself.
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