Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/40-20 | 265/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.03 (712) | 27.3 (693.5) | -0.73 (-18.5) -2.6% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 88.06 (2236.81) | 85.78 (2178.69) | -2.29 (-58.12) -2.6% |
| Sidewall Height inches (mm) | 4.02 (102) | 3.65 (92.75) | -0.36 (-9.25) -9.1% |
| Revolutions per mile (km) | 719.48 (447.06) | 738.67 (458.99) | 19.19 (11.93) 2.7% |
265/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.48 mph (31.35 km/h) |
| 25 mph (40.23 km/h) | 24.35 mph (39.19 km/h) |
| 30 mph (48.28 km/h) | 29.22 mph (47.03 km/h) |
| 35 mph (56.33 km/h) | 34.09 mph (54.86 km/h) |
| 40 mph (64.37 km/h) | 38.96 mph (62.7 km/h) |
| 45 mph (72.42 km/h) | 43.83 mph (70.54 km/h) |
| 50 mph (80.47 km/h) | 48.7 mph (78.38 km/h) |
| 55 mph (88.51 km/h) | 53.57 mph (86.21 km/h) |
| 60 mph (96.56 km/h) | 58.44 mph (94.05 km/h) |
| 65 mph (104.61 km/h) | 63.31 mph (101.89 km/h) |
| 70 mph (112.65 km/h) | 68.18 mph (109.73 km/h) |
| 75 mph (120.7 km/h) | 73.05 mph (117.56 km/h) |
| 80 mph (128.75 km/h) | 77.92 mph (125.4 km/h) |
| 85 mph (136.79 km/h) | 82.79 mph (133.24 km/h) |
| 90 mph (144.84 km/h) | 87.66 mph (141.08 km/h) |
| 95 mph (152.89 km/h) | 92.53 mph (148.92 km/h) |
| 100 mph (160.93 km/h) | 97.4 mph (156.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1880 | 2184 | 2352 | 2456 | 2568 | 2648 | 2736 | 2840 | 2984 | 3128 | 3288 | 3416 | 3648 | 3904 | 4104 | 4232 | 4304 | 4567 | 4935 | 5735 |
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