Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/40-17 | 265/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.03 (635.8) | 25.3 (642.7) | 0.27 (6.9) 1.1% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 78.64 (1997.42) | 79.49 (2019.1) | 0.85 (21.68) 1.1% |
| Sidewall Height inches (mm) | 4.02 (102) | 3.65 (92.75) | -0.36 (-9.25) -9.1% |
| Revolutions per mile (km) | 805.71 (500.64) | 797.06 (495.27) | -8.65 (-5.37) -1.1% |
265/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.22 mph (32.54 km/h) |
| 25 mph (40.23 km/h) | 25.27 mph (40.67 km/h) |
| 30 mph (48.28 km/h) | 30.33 mph (48.8 km/h) |
| 35 mph (56.33 km/h) | 35.38 mph (56.94 km/h) |
| 40 mph (64.37 km/h) | 40.43 mph (65.07 km/h) |
| 45 mph (72.42 km/h) | 45.49 mph (73.21 km/h) |
| 50 mph (80.47 km/h) | 50.54 mph (81.34 km/h) |
| 55 mph (88.51 km/h) | 55.6 mph (89.47 km/h) |
| 60 mph (96.56 km/h) | 60.65 mph (97.61 km/h) |
| 65 mph (104.61 km/h) | 65.71 mph (105.74 km/h) |
| 70 mph (112.65 km/h) | 70.76 mph (113.88 km/h) |
| 75 mph (120.7 km/h) | 75.81 mph (122.01 km/h) |
| 80 mph (128.75 km/h) | 80.87 mph (130.14 km/h) |
| 85 mph (136.79 km/h) | 85.92 mph (138.28 km/h) |
| 90 mph (144.84 km/h) | 90.98 mph (146.41 km/h) |
| 95 mph (152.89 km/h) | 96.03 mph (154.55 km/h) |
| 100 mph (160.93 km/h) | 101.09 mph (162.68 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2028 | 2356 | 2538 | 2650 | 2771 | 2857 | 2952 | 3064 | 3219 | 3375 | 3547 | 3686 | 3936 | 4212 | 4428 | 4566 | 4644 | 4928 | 5326 | 6189 |
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