29th October 2021, 18:40
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#2
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Owners Club Director
Rover 75 Conn SE V6 / MG ZT 260 SE V8 / MG ZT 180 SE V6
Join Date: Feb 2007
Location: Southampton
Posts: 20,941
Thanks: 645
Thanked 6,851 Times in 2,537 Posts
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On all three of my ZTs it is spot on when compared to my road angel speed camera detector which uses GPS signals for speed, but on both my 75s it reads about 3mph higher than actual when cruising at 70. The speedo needle indicates 77mph when actually driving at true 70mph on the 75 too.
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