Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/45-18 | 245/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.39 (695.7) | 26.68 (677.7) | -0.71 (-18) -2.6% |
| Width inches (mm) | 10.43 (265) | 9.65 (245) | -0.79 (-20) -7.5% |
| Circum. inches (mm) | 86.05 (2185.61) | 83.82 (2129.06) | -2.23 (-56.55) -2.6% |
| Sidewall Height inches (mm) | 4.69 (119.25) | 4.34 (110.25) | -0.35 (-9) -7.5% |
| Revolutions per mile (km) | 736.34 (457.54) | 755.9 (469.69) | 19.56 (12.15) 2.7% |
245/45-18 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 (54.87 km/h) |
| 40 mph (64.37 km/h) | 38.97 mph (62.71 km/h) |
| 45 mph (72.42 km/h) | 43.84 mph (70.55 km/h) |
| 50 mph (80.47 km/h) | 48.71 mph (78.39 km/h) |
| 55 mph (88.51 km/h) | 53.58 mph (86.22 km/h) |
| 60 mph (96.56 km/h) | 58.45 mph (94.06 km/h) |
| 65 mph (104.61 km/h) | 63.32 mph (101.9 km/h) |
| 70 mph (112.65 km/h) | 68.19 mph (109.74 km/h) |
| 75 mph (120.7 km/h) | 73.06 mph (117.58 km/h) |
| 80 mph (128.75 km/h) | 77.93 mph (125.42 km/h) |
| 85 mph (136.79 km/h) | 82.8 mph (133.26 km/h) |
| 90 mph (144.84 km/h) | 87.67 mph (141.09 km/h) |
| 95 mph (152.89 km/h) | 92.54 mph (148.93 km/h) |
| 100 mph (160.93 km/h) | 97.41 mph (156.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1924 | 2235 | 2407 | 2513 | 2628 | 2709 | 2799 | 2906 | 3053 | 3201 | 3364 | 3495 | 3733 | 3995 | 4199 | 4330 | 4404 | 4674 | 5050 | 5869 |
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