Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 285/55-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 35.34 (897.7) | 2.74 (69.5) 8.4% |
| Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
| Circum. inches (mm) | 102.44 (2601.87) | 111.03 (2820.21) | 8.6 (218.34) 8.4% |
| Sidewall Height inches (mm) | 4.8 (122) | 6.17 (156.75) | 1.37 (34.75) 28.5% |
| Revolutions per mile (km) | 618.53 (384.34) | 570.65 (354.58) | -47.89 (-29.76) -7.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.68 mph (34.89 km/h) |
| 25 mph (40.23 km/h) | 27.1 mph (43.61 km/h) |
| 30 mph (48.28 km/h) | 32.52 mph (52.33 km/h) |
| 35 mph (56.33 km/h) | 37.94 mph (61.05 km/h) |
| 40 mph (64.37 km/h) | 43.36 mph (69.78 km/h) |
| 45 mph (72.42 km/h) | 48.78 mph (78.5 km/h) |
| 50 mph (80.47 km/h) | 54.2 mph (87.22 km/h) |
| 55 mph (88.51 km/h) | 59.62 mph (95.94 km/h) |
| 60 mph (96.56 km/h) | 65.04 mph (104.66 km/h) |
| 65 mph (104.61 km/h) | 70.45 mph (113.39 km/h) |
| 70 mph (112.65 km/h) | 75.87 mph (122.11 km/h) |
| 75 mph (120.7 km/h) | 81.29 mph (130.83 km/h) |
| 80 mph (128.75 km/h) | 86.71 mph (139.55 km/h) |
| 85 mph (136.79 km/h) | 92.13 mph (148.27 km/h) |
| 90 mph (144.84 km/h) | 97.55 mph (157 km/h) |
| 95 mph (152.89 km/h) | 102.97 mph (165.72 km/h) |
| 100 mph (160.93 km/h) | 108.39 mph (174.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1452 | 1687 | 1817 | 1897 | 1984 | 2045 | 2113 | 2194 | 2305 | 2416 | 2540 | 2639 | 2818 | 3016 | 3170 | 3269 | 3325 | 3529 | 3813 | 4431 |
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