Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/25-19 | 275/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635.1) | 27.66 (702.6) | 2.66 (67.5) 10.6% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 78.55 (1995.23) | 86.9 (2207.28) | 8.35 (212.06) 10.6% |
| Sidewall Height inches (mm) | 3 (76.25) | 4.33 (110) | 1.33 (33.75) 44.3% |
| Revolutions per mile (km) | 806.6 (501.2) | 729.11 (453.04) | -77.49 (-48.15) -9.6% |
275/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.13 mph (35.61 km/h) |
| 25 mph (40.23 km/h) | 27.66 mph (44.51 km/h) |
| 30 mph (48.28 km/h) | 33.19 mph (53.41 km/h) |
| 35 mph (56.33 km/h) | 38.72 mph (62.31 km/h) |
| 40 mph (64.37 km/h) | 44.25 mph (71.22 km/h) |
| 45 mph (72.42 km/h) | 49.78 mph (80.12 km/h) |
| 50 mph (80.47 km/h) | 55.31 mph (89.02 km/h) |
| 55 mph (88.51 km/h) | 60.85 mph (97.92 km/h) |
| 60 mph (96.56 km/h) | 66.38 mph (106.82 km/h) |
| 65 mph (104.61 km/h) | 71.91 mph (115.73 km/h) |
| 70 mph (112.65 km/h) | 77.44 mph (124.63 km/h) |
| 75 mph (120.7 km/h) | 82.97 mph (133.53 km/h) |
| 80 mph (128.75 km/h) | 88.5 mph (142.43 km/h) |
| 85 mph (136.79 km/h) | 94.03 mph (151.33 km/h) |
| 90 mph (144.84 km/h) | 99.57 mph (160.24 km/h) |
| 95 mph (152.89 km/h) | 105.1 mph (169.14 km/h) |
| 100 mph (160.93 km/h) | 110.63 mph (178.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1855 | 2155 | 2321 | 2424 | 2534 | 2613 | 2700 | 2803 | 2945 | 3087 | 3245 | 3371 | 3600 | 3853 | 4050 | 4177 | 4248 | 4508 | 4872 | 5661 |
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