you're not taking into consideration the 46000 miles of motoring you've already enjoyed in the last 3 years.
Get it fixed and keep driving it, I budget on £1000+ annually for my 250,000 mile T-5R and I've averaged just over 10,000 miles/year for the last 8 years. All Volvo R models are getting rare and sought after. If ever you come to sell it, originality, plenty of documented service history and MOT certificates to back up the mileage will be invaluable.
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