Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 32.71 (830.8) | -3.32 (-84.38) -9.2% |
| Width inches (mm) | 12.52 (318) | 11.22 (285) | -1.3 (-33) -10.4% |
| Circum. inches (mm) | 113.19 (2875.12) | 102.76 (2610.04) | -10.44 (-265.09) -9.2% |
| 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) | 616.6 (383.14) | 56.85 (35.33) 10.2% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.16 mph (29.22 km/h) |
| 25 mph (40.23 km/h) | 22.69 mph (36.52 km/h) |
| 30 mph (48.28 km/h) | 27.23 mph (43.83 km/h) |
| 35 mph (56.33 km/h) | 31.77 mph (51.13 km/h) |
| 40 mph (64.37 km/h) | 36.31 mph (58.44 km/h) |
| 45 mph (72.42 km/h) | 40.85 mph (65.74 km/h) |
| 50 mph (80.47 km/h) | 45.39 mph (73.05 km/h) |
| 55 mph (88.51 km/h) | 49.93 mph (80.35 km/h) |
| 60 mph (96.56 km/h) | 54.47 mph (87.66 km/h) |
| 65 mph (104.61 km/h) | 59.01 mph (94.96 km/h) |
| 70 mph (112.65 km/h) | 63.55 mph (102.27 km/h) |
| 75 mph (120.7 km/h) | 68.08 mph (109.57 km/h) |
| 80 mph (128.75 km/h) | 72.62 mph (116.88 km/h) |
| 85 mph (136.79 km/h) | 77.16 mph (124.18 km/h) |
| 90 mph (144.84 km/h) | 81.7 mph (131.49 km/h) |
| 95 mph (152.89 km/h) | 86.24 mph (138.79 km/h) |
| 100 mph (160.93 km/h) | 90.78 mph (146.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1569 | 1823 | 1963 | 2050 | 2143 | 2210 | 2284 | 2370 | 2491 | 2611 | 2744 | 2851 | 3045 | 3258 | 3425 | 3532 | 3592 | 3813 | 4120 | 4788 |
Better Fuel Economy Factory Ratios Increased Power
