Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-17 | 235/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.5 (647.8) | 26.4 (670.6) | 0.9 (22.8) 3.5% |
| Width inches (mm) | 5.31 (135) | 9.25 (235) | 3.94 (100) 74.1% |
| Circum. inches (mm) | 80.12 (2035.12) | 82.94 (2106.75) | 2.82 (71.63) 3.5% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.7 (94) | -0.55 (-14) -13% |
| Revolutions per mile (km) | 790.78 (491.37) | 763.9 (474.66) | -26.89 (-16.71) -3.4% |
235/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.7 mph (33.32 km/h) |
| 25 mph (40.23 km/h) | 25.88 mph (41.65 km/h) |
| 30 mph (48.28 km/h) | 31.06 mph (49.98 km/h) |
| 35 mph (56.33 km/h) | 36.23 mph (58.31 km/h) |
| 40 mph (64.37 km/h) | 41.41 mph (66.64 km/h) |
| 45 mph (72.42 km/h) | 46.58 mph (74.97 km/h) |
| 50 mph (80.47 km/h) | 51.76 mph (83.3 km/h) |
| 55 mph (88.51 km/h) | 56.94 mph (91.63 km/h) |
| 60 mph (96.56 km/h) | 62.11 mph (99.96 km/h) |
| 65 mph (104.61 km/h) | 67.29 mph (108.29 km/h) |
| 70 mph (112.65 km/h) | 72.46 mph (116.62 km/h) |
| 75 mph (120.7 km/h) | 77.64 mph (124.95 km/h) |
| 80 mph (128.75 km/h) | 82.82 mph (133.28 km/h) |
| 85 mph (136.79 km/h) | 87.99 mph (141.61 km/h) |
| 90 mph (144.84 km/h) | 93.17 mph (149.94 km/h) |
| 95 mph (152.89 km/h) | 98.34 mph (158.27 km/h) |
| 100 mph (160.93 km/h) | 103.52 mph (166.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1944 | 2258 | 2432 | 2540 | 2655 | 2738 | 2829 | 2937 | 3086 | 3234 | 3400 | 3532 | 3772 | 4037 | 4244 | 4376 | 4450 | 4723 | 5104 | 5931 |
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