My new to me 2004 CRV with 38K has 10 year old tires. Hard and noisy! OEM size is 205-70/R15. The quiet goodyear tire I want isn't made in that 205 dimension, but is made in 215/70/R15. The speedo difference is negligible. Can I "upgrade" to the 215? My wheels are OEM 15". Thanks for any advice.