CarSpecsHQ

215/85R16 vs 265/70R16

265/70R16 is a safe swap for 215/85R16 by the usual ±3% rule: the diameter differs by +0.71%.

16" rim
215/85R16 30.39" · 265/70R16 30.61" · drawn to scale

Side by side

215/85R16265/70R16Difference
Overall diameter30.39"30.61"+0.22" (+0.71%)
Section width215 mm265 mm+50 mm
Sidewall7.19"7.30"+0.11"
Rim16"16"same
Circumference95.5"96.2"+0.7"
Revs per mile664659-5
Ride height——+0.11"
Speedometer reads 60 mph60.060.4+0.4 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.4 mph

With 265/70R16 on a car calibrated for 215/85R16, the speedometer reads 59.6 mph when you're really doing 60, and the odometer under-counts by 0.7%.

Speedo showsActual speed
30 mph30.2 mph
45 mph45.3 mph
60 mph60.4 mph
70 mph70.5 mph
80 mph80.6 mph

Other sizes close to 215/85R16

Questions

Can I replace 215/85R16 with 265/70R16?

265/70R16 is a safe swap for 215/85R16 by the usual ±3% rule: the diameter differs by +0.71%.

What's the difference between 215/85R16 and 265/70R16?

265/70R16 is 0.22" taller and 50 mm wider; the sidewall is +0.11". At an indicated 60 mph you'd actually be doing 60.4 mph.

Will 265/70R16 fit on 215/85R16 wheels?

Both use a 16" rim, so the wheel diameter matches; check the wheel's width range for a 265 mm tire and the fender clearance.