Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/45-18 | 275/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.45 (722.7) | 27.74 (704.7) | -0.71 (-18) -2.5% |
| Width inches (mm) | 11.61 (295) | 10.83 (275) | -0.79 (-20) -6.8% |
| Circum. inches (mm) | 89.39 (2270.43) | 87.16 (2213.88) | -2.23 (-56.55) -2.5% |
| Sidewall Height inches (mm) | 5.23 (132.75) | 4.87 (123.75) | -0.35 (-9) -6.8% |
| Revolutions per mile (km) | 708.83 (440.44) | 726.93 (451.69) | 18.11 (11.25) 2.6% |
275/45-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.5 mph (31.39 km/h) |
| 25 mph (40.23 km/h) | 24.38 mph (39.23 km/h) |
| 30 mph (48.28 km/h) | 29.25 mph (47.08 km/h) |
| 35 mph (56.33 km/h) | 34.13 mph (54.92 km/h) |
| 40 mph (64.37 km/h) | 39 mph (62.77 km/h) |
| 45 mph (72.42 km/h) | 43.88 mph (70.62 km/h) |
| 50 mph (80.47 km/h) | 48.75 mph (78.46 km/h) |
| 55 mph (88.51 km/h) | 53.63 mph (86.31 km/h) |
| 60 mph (96.56 km/h) | 58.51 mph (94.16 km/h) |
| 65 mph (104.61 km/h) | 63.38 mph (102 km/h) |
| 70 mph (112.65 km/h) | 68.26 mph (109.85 km/h) |
| 75 mph (120.7 km/h) | 73.13 mph (117.69 km/h) |
| 80 mph (128.75 km/h) | 78.01 mph (125.54 km/h) |
| 85 mph (136.79 km/h) | 82.88 mph (133.39 km/h) |
| 90 mph (144.84 km/h) | 87.76 mph (141.23 km/h) |
| 95 mph (152.89 km/h) | 92.63 mph (149.08 km/h) |
| 100 mph (160.93 km/h) | 97.51 mph (156.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1850 | 2149 | 2314 | 2417 | 2527 | 2606 | 2692 | 2795 | 2936 | 3078 | 3235 | 3361 | 3590 | 3842 | 4038 | 4164 | 4235 | 4495 | 4857 | 5644 |
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