275/35R22 vs 265/40R22
265/40R22 is taller than 275/35R22 by 2.60% — a diameter difference of 0.77″.
What changes between 275/35R22 and 265/40R22
Switching from 275/35R22 to 265/40R22 changes overall diameter by +2.60%, a taller tire by 0.77 inches. This lands inside the ±3% fitment safe zone, so most vehicles will accept the swap without rubbing, speedometer recalibration, or ABS/TPMS complications. Section width moves by -0.40″ (275mm → 265mm), which affects contact patch and fender-well clearance. Sidewall height shifts by +0.38″: a taller sidewall softens ride quality and adds off-road bump protection, with some loss of steering crispness. Revs per mile moves by -17, which translates directly to speedometer error — at an indicated 65 mph, actual speed becomes 66.7 mph. Both sizes share the same 22″ rim, so no wheel change is required — this is a pure tire-only swap.
| Spec | 275/35R22 | 265/40R22 |
|---|---|---|
| Overall diameter | 29.58″ | 30.35″ |
| Section width | 10.83″ (275 mm) | 10.43″ (265 mm) |
| Sidewall height | 3.79″ (35%) | 4.17″ (40%) |
| Rim diameter | 22″ | 22″ |
| Circumference | 92.92″ | 95.34″ |
| Revs per mile | 682 | 665 |
Interactive comparison
275/65R18 or "33" for inch aliases275/35R22
- Diameter
- 29.58″ / 751.3mm
- Section Width
- 10.83″
- Sidewall
- 3.79″ / 96.25mm
- Circumference
- 92.92″
- Revs/Mile
- 682
265/40R22
- Diameter
- 30.35″ / 770.8mm
- Section Width
- 10.43″
- Sidewall
- 4.17″ / 106mm
- Circumference
- 95.34″
- Revs/Mile
- 665
Speedometer & Diameter Impact
At an indicated 60 mph, your actual speed is 61.56 mph (99.07 km/h). Your speedometer reads 2.60% low versus actual speed.