Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-20 | 265/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.68 (728.5) | 27.3 (693.5) | -1.38 (-35) -4.8% |
| Width inches (mm) | 9.65 (245) | 10.43 (265) | 0.79 (20) 8.2% |
| Circum. inches (mm) | 90.1 (2288.65) | 85.78 (2178.69) | -4.33 (-109.96) -4.8% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 3.65 (92.75) | -0.69 (-17.5) -15.9% |
| Revolutions per mile (km) | 703.18 (436.94) | 738.67 (458.99) | 35.49 (22.05) 5% |
265/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.04 mph (30.64 km/h) |
| 25 mph (40.23 km/h) | 23.8 mph (38.3 km/h) |
| 30 mph (48.28 km/h) | 28.56 mph (45.96 km/h) |
| 35 mph (56.33 km/h) | 33.32 mph (53.62 km/h) |
| 40 mph (64.37 km/h) | 38.08 mph (61.28 km/h) |
| 45 mph (72.42 km/h) | 42.84 mph (68.94 km/h) |
| 50 mph (80.47 km/h) | 47.6 mph (76.6 km/h) |
| 55 mph (88.51 km/h) | 52.36 mph (84.26 km/h) |
| 60 mph (96.56 km/h) | 57.12 mph (91.92 km/h) |
| 65 mph (104.61 km/h) | 61.88 mph (99.58 km/h) |
| 70 mph (112.65 km/h) | 66.64 mph (107.24 km/h) |
| 75 mph (120.7 km/h) | 71.4 mph (114.9 km/h) |
| 80 mph (128.75 km/h) | 76.16 mph (122.56 km/h) |
| 85 mph (136.79 km/h) | 80.92 mph (130.22 km/h) |
| 90 mph (144.84 km/h) | 85.68 mph (137.88 km/h) |
| 95 mph (152.89 km/h) | 90.44 mph (145.54 km/h) |
| 100 mph (160.93 km/h) | 95.2 mph (153.2 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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