Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-17 | 145/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.5 (647.8) | 26.28 (667.4) | 0.77 (19.6) 3% |
| Width inches (mm) | 5.31 (135) | 5.71 (145) | 0.39 (10) 7.4% |
| Circum. inches (mm) | 80.12 (2035.12) | 82.55 (2096.7) | 2.42 (61.58) 3% |
| Sidewall Height inches (mm) | 4.25 (108) | 5.14 (130.5) | 0.89 (22.5) 20.8% |
| Revolutions per mile (km) | 790.78 (491.37) | 767.56 (476.94) | -23.22 (-14.43) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.61 mph (33.16 km/h) |
| 25 mph (40.23 km/h) | 25.76 mph (41.45 km/h) |
| 30 mph (48.28 km/h) | 30.91 mph (49.74 km/h) |
| 35 mph (56.33 km/h) | 36.06 mph (58.03 km/h) |
| 40 mph (64.37 km/h) | 41.21 mph (66.32 km/h) |
| 45 mph (72.42 km/h) | 46.36 mph (74.61 km/h) |
| 50 mph (80.47 km/h) | 51.51 mph (82.9 km/h) |
| 55 mph (88.51 km/h) | 56.66 mph (91.19 km/h) |
| 60 mph (96.56 km/h) | 61.82 mph (99.48 km/h) |
| 65 mph (104.61 km/h) | 66.97 mph (107.77 km/h) |
| 70 mph (112.65 km/h) | 72.12 mph (116.06 km/h) |
| 75 mph (120.7 km/h) | 77.27 mph (124.35 km/h) |
| 80 mph (128.75 km/h) | 82.42 mph (132.64 km/h) |
| 85 mph (136.79 km/h) | 87.57 mph (140.93 km/h) |
| 90 mph (144.84 km/h) | 92.72 mph (149.22 km/h) |
| 95 mph (152.89 km/h) | 97.87 mph (157.51 km/h) |
| 100 mph (160.93 km/h) | 103.03 mph (165.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1953 | 2269 | 2444 | 2552 | 2668 | 2751 | 2843 | 2951 | 3100 | 3250 | 3416 | 3549 | 3790 | 4056 | 4264 | 4397 | 4472 | 4746 | 5128 | 5960 |
Better Fuel Economy Factory Ratios Increased Power
