Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-17 | 115/95-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.13 (663.8) | 25.6 (650.3) | -0.53 (-13.5) -2% |
| Width inches (mm) | 5.71 (145) | 4.53 (115) | -1.18 (-30) -20.7% |
| Circum. inches (mm) | 82.1 (2085.39) | 80.43 (2042.98) | -1.67 (-42.41) -2% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.3 (109.25) | -0.27 (-6.75) -5.8% |
| Revolutions per mile (km) | 771.72 (479.53) | 787.74 (489.48) | 16.02 (9.95) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.59 mph (31.53 km/h) |
| 25 mph (40.23 km/h) | 24.49 mph (39.42 km/h) |
| 30 mph (48.28 km/h) | 29.39 mph (47.3 km/h) |
| 35 mph (56.33 km/h) | 34.29 mph (55.18 km/h) |
| 40 mph (64.37 km/h) | 39.19 mph (63.06 km/h) |
| 45 mph (72.42 km/h) | 44.08 mph (70.95 km/h) |
| 50 mph (80.47 km/h) | 48.98 mph (78.83 km/h) |
| 55 mph (88.51 km/h) | 53.88 mph (86.71 km/h) |
| 60 mph (96.56 km/h) | 58.78 mph (94.6 km/h) |
| 65 mph (104.61 km/h) | 63.68 mph (102.48 km/h) |
| 70 mph (112.65 km/h) | 68.58 mph (110.36 km/h) |
| 75 mph (120.7 km/h) | 73.47 mph (118.25 km/h) |
| 80 mph (128.75 km/h) | 78.37 mph (126.13 km/h) |
| 85 mph (136.79 km/h) | 83.27 mph (134.01 km/h) |
| 90 mph (144.84 km/h) | 88.17 mph (141.9 km/h) |
| 95 mph (152.89 km/h) | 93.07 mph (149.78 km/h) |
| 100 mph (160.93 km/h) | 97.97 mph (157.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 2329 | 2508 | 2619 | 2738 | 2824 | 2917 | 3028 | 3182 | 3335 | 3506 | 3643 | 3890 | 4163 | 4376 | 4513 | 4589 | 4871 | 5263 | 6116 |
Better Fuel Economy Factory Ratios Increased Power
