Comparison
235/35 R19 vs 245/35 R19
245/35 R19 is a wider variation of 235/35 R19 on the same 19-inch rim, adding 10 mm of tread footprint. This wheel and tire pairing lands within OEM rolling-diameter tolerance. Speedometer drift stays small enough that most drivers won't notice it day to day. More tread on the ground tends to improve dry grip and stance, with a small fuel-economy and clearance tradeoff. Diameter change stays inside the conservative ±3% safety window — an OEM-safe fitment on most vehicles.
TakeReasonable performance-leaning swap as long as fender and suspension clearance check out.
Quick math: 245/35 R19 is 7.0 mm taller than 235/35 R19, shifting the speedometer by +1.08%.
Current Tire
New Tire
Ground line · scaled comparison
Excellent Fit
Within ±3% — safe for daily driving
Diameter change
+7.0 mm
1.08%
Speedometer at 100
101.1 km/h
+1.08% error
Ground clearance
+3.5 mm
ride height delta
Sidewall change
+3.5 mm
revs/km: 486.6
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/compare/235-35-r19-vs-245-35-r19Detailed comparison
| Metric | 235/35 R19 | 245/35 R19 | Difference |
|---|---|---|---|
| Overall diameter | 647.1 mm | 654.1 mm | +7.0 mm (+1.08%) |
| Sidewall height | 82.3 mm | 85.8 mm | +3.5 mm |
| Circumference | 2.033 m | 2.055 m | +22.0 mm |
| Revs / km | 491.9 | 486.6 | -5.3 |
| Ground clearance | reference | +3.5 mm | +3.5 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 101.1 km/h | +1.08 km/h |
Verdict: excellent
Within ±3% — speedometer, ABS and traction control should behave normally.
Speedometer impact
At a true 100 km/h, your dashboard will read 101.1 km/h after switching to 245/35 R19 — a +1.08% offset. Use the speedometer error calculator to recheck for other indicated speeds, and the speedometer error guide for the full background.
Ground clearance change
The new tire's half-diameter changes ride height by +3.5 mm. Small differences are absorbed by suspension travel, but anything beyond ±10 mm can affect headlight aim, fender clearance and bump-stop margin. See the plus-sizing guide before committing.
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235/35 R19
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245/35 R19
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