195/55 R16 vs 205/55 R16

195/55 R16 vs 205/55 R16

205/55 R16 stays within the configured tolerance for 195/55 R16: +1.8% diameter and +1.8% speedometer effect.

Fitment verdict

205/55 R16 stays within the configured tolerance for 195/55 R16: +1.8% diameter and +1.8% speedometer effect.

Metric This size: 195/55 R16 Alternative: 205/55 R16 Difference Verdict
Overall diameter 24.44 in 24.88 in +1.8% Within tolerance
Section width 7.68 in 8.07 in +0.39 in Computed difference
Sidewall height 4.22 in 4.44 in +0.22 in Computed difference
Circumference 76.80 in 78.16 in +1.8% Within tolerance
Speedo 0.0% +1.8% +1.8% Within tolerance

Compare sizes

Looks valid
Looks valid
Units
✓ Within toleranceDiameter +1.8% (+0.43 in) · US (~3%)
  • Within tolerance · Diameter +1.8%.
  • Speedo @ 60: 60 mph61.1 mph.
  • Sidewall +0.22 in · Width +0.39 in.
Diameter+1.8%+0.43 in
Speedo @ 60+1.8%60 mph61.1 mph
Sidewall+0.22 inWidth +0.39 in
How this result is calculated

Computed from nominal tire-size geometry: diameter, circumference and speedometer error. It does not check wheel-arch, suspension or brake clearance.

Methodology
Diameter
24.44 in 24.88 in+0.43 in
Sidewall
4.22 in 4.44 in+0.22 in
Width
7.68 in 8.07 in+0.39 in
Circumference
76.80 in 78.16 in+1.8%
Revs / mile
825 811
Speedo @ 60
60 mph 61.1 mph+1.8%
Δ⌀ +11.0 mm
  • Current195/55 R16
  • New205/55 R16
  • Grounded to the road: the axle rises +0.22 in.

Result report

195/55 R16 205/55 R16 · Within tolerance

Use this size when shopping: 205/55 R16

Use this size when shopping

Geometric estimate. Always verify physical clearance (arches, suspension, brakes) before fitting.

Safe alternative sizes

SizeDiameterSpeedo @ 100Use this
−1″ 185/65R15+0.1%+0.1%
OE 195/55R16+0.0%+0.0%
+1″ 135/70R17-0.0%-0.0%
+2″ 205/40R18+0.0%+0.0%

195/55 R16 · 205/55 R16 · Methodology

Last reviewed: 2026-06-28
What changed
  • Reviewed deterministic geometry, load/speed references, sitemap inclusion and localized page shell.