Ok one more ? Is there any difference between a 97 and 98 S90. I looked at the edmunds site and the 97 has ok reviews and the 98 has great reviews.
Thanks

84 242T, 94 855T, 98 V70T5 5spd

The only difference according to the shop manual I have is that the 98 incorporated a second outside air temperature sensor in the A/C control loop. Other than that, the only differences must be in the minds of the reviewers. Or, how well the factory workers assembled the parts and the car.
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'96 965 with 16' wheels at 119K. Had '85 745 Turbo Diesel for 200K.

The 960 an S90 was the same car form mid '95 through 98. I don't know of anything except maybe that some wagons have a litle different rear suspension.
Most of the reviews are subjective in that their compared to similar cars of the same year, and even if their not changed at all, like the 960/S90, it's rank against the competition may have. Personally, I think the 96 was a really great year, and the last twio yrs had build quality issues, i.e. fewer customer complaints/repairs per new car per year. Go to JD Power, it's another point of comparrison, although the biggest impact anything has on these cars for these years is the maintenance and care it has had by the previous owner(s).
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'89 245 Sportwagon, '04 V70 2.5T Sportwagon