Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 289/55-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 35.52 (902.1) | 2.91 (73.9) 8.9% |
| Width inches (mm) | 12.01 (305) | 11.38 (289) | -0.63 (-16) -5.2% |
| Circum. inches (mm) | 102.44 (2601.87) | 111.58 (2834.03) | 9.14 (232.16) 8.9% |
| Sidewall Height inches (mm) | 4.8 (122) | 6.26 (158.95) | 1.45 (36.95) 30.3% |
| Revolutions per mile (km) | 618.53 (384.34) | 567.86 (352.85) | -50.67 (-31.49) -8.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.78 mph (35.06 km/h) |
| 25 mph (40.23 km/h) | 27.23 mph (43.82 km/h) |
| 30 mph (48.28 km/h) | 32.68 mph (52.59 km/h) |
| 35 mph (56.33 km/h) | 38.12 mph (61.35 km/h) |
| 40 mph (64.37 km/h) | 43.57 mph (70.12 km/h) |
| 45 mph (72.42 km/h) | 49.02 mph (78.88 km/h) |
| 50 mph (80.47 km/h) | 54.46 mph (87.65 km/h) |
| 55 mph (88.51 km/h) | 59.91 mph (96.41 km/h) |
| 60 mph (96.56 km/h) | 65.35 mph (105.18 km/h) |
| 65 mph (104.61 km/h) | 70.8 mph (113.94 km/h) |
| 70 mph (112.65 km/h) | 76.25 mph (122.71 km/h) |
| 75 mph (120.7 km/h) | 81.69 mph (131.47 km/h) |
| 80 mph (128.75 km/h) | 87.14 mph (140.24 km/h) |
| 85 mph (136.79 km/h) | 92.58 mph (149 km/h) |
| 90 mph (144.84 km/h) | 98.03 mph (157.77 km/h) |
| 95 mph (152.89 km/h) | 103.48 mph (166.53 km/h) |
| 100 mph (160.93 km/h) | 108.92 mph (175.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1445 | 1679 | 1808 | 1888 | 1974 | 2035 | 2103 | 2183 | 2294 | 2404 | 2527 | 2626 | 2804 | 3001 | 3155 | 3253 | 3308 | 3511 | 3794 | 4409 |
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