Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/40-20 | 265/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.35 (720) | 27.3 (693.5) | -1.04 (-26.5) -3.7% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 89.05 (2261.95) | 85.78 (2178.69) | -3.28 (-83.25) -3.7% |
| Sidewall Height inches (mm) | 4.17 (106) | 3.65 (92.75) | -0.52 (-13.25) -12.5% |
| Revolutions per mile (km) | 711.49 (442.1) | 738.67 (458.99) | 27.19 (16.89) 3.8% |
265/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.26 mph (31 km/h) |
| 25 mph (40.23 km/h) | 24.08 mph (38.75 km/h) |
| 30 mph (48.28 km/h) | 28.9 mph (46.5 km/h) |
| 35 mph (56.33 km/h) | 33.71 mph (54.25 km/h) |
| 40 mph (64.37 km/h) | 38.53 mph (62 km/h) |
| 45 mph (72.42 km/h) | 43.34 mph (69.76 km/h) |
| 50 mph (80.47 km/h) | 48.16 mph (77.51 km/h) |
| 55 mph (88.51 km/h) | 52.98 mph (85.26 km/h) |
| 60 mph (96.56 km/h) | 57.79 mph (93.01 km/h) |
| 65 mph (104.61 km/h) | 62.61 mph (100.76 km/h) |
| 70 mph (112.65 km/h) | 67.42 mph (108.51 km/h) |
| 75 mph (120.7 km/h) | 72.24 mph (116.26 km/h) |
| 80 mph (128.75 km/h) | 77.06 mph (124.01 km/h) |
| 85 mph (136.79 km/h) | 81.87 mph (131.76 km/h) |
| 90 mph (144.84 km/h) | 86.69 mph (139.51 km/h) |
| 95 mph (152.89 km/h) | 91.5 mph (147.26 km/h) |
| 100 mph (160.93 km/h) | 96.32 mph (155.01 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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