Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-16 | 255/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 27.03 (686.6) | 2.53 (64.2) 10.3% |
| Width inches (mm) | 5.31 (135) | 10.04 (255) | 4.72 (120) 88.9% |
| Circum. inches (mm) | 76.98 (1955.33) | 84.92 (2157.02) | 7.94 (201.69) 10.3% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.02 (102) | -0.24 (-6) -5.6% |
| Revolutions per mile (km) | 823.06 (511.42) | 746.1 (463.6) | -76.96 (-47.82) -9.4% |
255/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.06 mph (35.51 km/h) |
| 25 mph (40.23 km/h) | 27.58 mph (44.38 km/h) |
| 30 mph (48.28 km/h) | 33.09 mph (53.26 km/h) |
| 35 mph (56.33 km/h) | 38.61 mph (62.14 km/h) |
| 40 mph (64.37 km/h) | 44.13 mph (71.01 km/h) |
| 45 mph (72.42 km/h) | 49.64 mph (79.89 km/h) |
| 50 mph (80.47 km/h) | 55.16 mph (88.77 km/h) |
| 55 mph (88.51 km/h) | 60.67 mph (97.64 km/h) |
| 60 mph (96.56 km/h) | 66.19 mph (106.52 km/h) |
| 65 mph (104.61 km/h) | 71.7 mph (115.4 km/h) |
| 70 mph (112.65 km/h) | 77.22 mph (124.27 km/h) |
| 75 mph (120.7 km/h) | 82.74 mph (133.15 km/h) |
| 80 mph (128.75 km/h) | 88.25 mph (142.03 km/h) |
| 85 mph (136.79 km/h) | 93.77 mph (150.9 km/h) |
| 90 mph (144.84 km/h) | 99.28 mph (159.78 km/h) |
| 95 mph (152.89 km/h) | 104.8 mph (168.66 km/h) |
| 100 mph (160.93 km/h) | 110.31 mph (177.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1899 | 2206 | 2375 | 2480 | 2594 | 2674 | 2763 | 2868 | 3014 | 3159 | 3321 | 3450 | 3684 | 3943 | 4145 | 4274 | 4347 | 4613 | 4985 | 5793 |
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