Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-19 | 275/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.76 (730.6) | 27.66 (702.6) | -1.1 (-28) -3.8% |
| Width inches (mm) | 6.1 (155) | 10.83 (275) | 4.72 (120) 77.4% |
| Circum. inches (mm) | 90.36 (2295.25) | 86.9 (2207.28) | -3.46 (-87.96) -3.8% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.33 (110) | -0.55 (-14) -11.3% |
| Revolutions per mile (km) | 701.16 (435.68) | 729.11 (453.04) | 27.94 (17.36) 4% |
275/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.23 mph (30.95 km/h) |
| 25 mph (40.23 km/h) | 24.04 mph (38.69 km/h) |
| 30 mph (48.28 km/h) | 28.85 mph (46.43 km/h) |
| 35 mph (56.33 km/h) | 33.66 mph (54.17 km/h) |
| 40 mph (64.37 km/h) | 38.47 mph (61.91 km/h) |
| 45 mph (72.42 km/h) | 43.28 mph (69.65 km/h) |
| 50 mph (80.47 km/h) | 48.08 mph (77.38 km/h) |
| 55 mph (88.51 km/h) | 52.89 mph (85.12 km/h) |
| 60 mph (96.56 km/h) | 57.7 mph (92.86 km/h) |
| 65 mph (104.61 km/h) | 62.51 mph (100.6 km/h) |
| 70 mph (112.65 km/h) | 67.32 mph (108.34 km/h) |
| 75 mph (120.7 km/h) | 72.13 mph (116.08 km/h) |
| 80 mph (128.75 km/h) | 76.93 mph (123.81 km/h) |
| 85 mph (136.79 km/h) | 81.74 mph (131.55 km/h) |
| 90 mph (144.84 km/h) | 86.55 mph (139.29 km/h) |
| 95 mph (152.89 km/h) | 91.36 mph (147.03 km/h) |
| 100 mph (160.93 km/h) | 96.17 mph (154.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1855 | 2155 | 2321 | 2424 | 2534 | 2613 | 2700 | 2803 | 2945 | 3087 | 3245 | 3371 | 3600 | 3853 | 4050 | 4177 | 4248 | 4508 | 4872 | 5661 |
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