Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 285/70-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 35.21 (894.3) | -0.82 (-20.88) -2.3% |
| Width inches (mm) | 12.52 (318) | 11.22 (285) | -1.3 (-33) -10.4% |
| Circum. inches (mm) | 113.19 (2875.12) | 110.61 (2809.53) | -2.58 (-65.6) -2.3% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 7.85 (199.5) | -1.91 (-48.54) -19.6% |
| Revolutions per mile (km) | 559.75 (347.81) | 572.82 (355.93) | 13.07 (8.12) 2.3% |
285/70-19.5 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.54 mph (31.45 km/h) |
| 25 mph (40.23 km/h) | 24.43 mph (39.32 km/h) |
| 30 mph (48.28 km/h) | 29.32 mph (47.18 km/h) |
| 35 mph (56.33 km/h) | 34.2 mph (55.04 km/h) |
| 40 mph (64.37 km/h) | 39.09 mph (62.91 km/h) |
| 45 mph (72.42 km/h) | 43.97 mph (70.77 km/h) |
| 50 mph (80.47 km/h) | 48.86 mph (78.63 km/h) |
| 55 mph (88.51 km/h) | 53.75 mph (86.49 km/h) |
| 60 mph (96.56 km/h) | 58.63 mph (94.36 km/h) |
| 65 mph (104.61 km/h) | 63.52 mph (102.22 km/h) |
| 70 mph (112.65 km/h) | 68.4 mph (110.08 km/h) |
| 75 mph (120.7 km/h) | 73.29 mph (117.95 km/h) |
| 80 mph (128.75 km/h) | 78.17 mph (125.81 km/h) |
| 85 mph (136.79 km/h) | 83.06 mph (133.67 km/h) |
| 90 mph (144.84 km/h) | 87.95 mph (141.54 km/h) |
| 95 mph (152.89 km/h) | 92.83 mph (149.4 km/h) |
| 100 mph (160.93 km/h) | 97.72 mph (157.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1458 | 1693 | 1824 | 1904 | 1991 | 2053 | 2121 | 2202 | 2314 | 2425 | 2549 | 2649 | 2829 | 3027 | 3182 | 3281 | 3337 | 3542 | 3827 | 4448 |
Better Fuel Economy Factory Ratios Increased Power
