CarSpecsHQ

275/35R19 vs 285/35R19

285/35R19 is a safe swap for 275/35R19 by the usual ±3% rule: the diameter differs by +1.04%.

19" rim
275/35R19 26.58" · 285/35R19 26.85" · drawn to scale

Side by side

275/35R19285/35R19Difference
Overall diameter26.58"26.85"+0.28" (+1.04%)
Section width275 mm285 mm+10 mm
Sidewall3.79"3.93"+0.14"
Rim19"19"same
Circumference83.5"84.4"+0.9"
Revs per mile759751-8
Ride height——+0.14"
Speedometer reads 60 mph60.060.6+0.6 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.6 mph

With 285/35R19 on a car calibrated for 275/35R19, the speedometer reads 59.4 mph when you're really doing 60, and the odometer under-counts by 1.0%.

Speedo showsActual speed
30 mph30.3 mph
45 mph45.5 mph
60 mph60.6 mph
70 mph70.7 mph
80 mph80.8 mph

Other sizes close to 275/35R19

Questions

Can I replace 275/35R19 with 285/35R19?

285/35R19 is a safe swap for 275/35R19 by the usual ±3% rule: the diameter differs by +1.04%.

What's the difference between 275/35R19 and 285/35R19?

285/35R19 is 0.28" taller and 10 mm wider; the sidewall is +0.14". At an indicated 60 mph you'd actually be doing 60.6 mph.

Will 285/35R19 fit on 275/35R19 wheels?

Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 285 mm tire and the fender clearance.