Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16 | 275/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.47 (773.9) | 34.32 (871.8) | 3.85 (97.9) 12.7% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 95.72 (2431.28) | 107.83 (2738.84) | 12.11 (307.56) 12.7% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 8.66 (220) | 1.43 (36.25) 19.7% |
| Revolutions per mile (km) | 661.93 (411.31) | 587.6 (365.12) | -74.33 (-46.19) -11.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.53 mph (36.26 km/h) |
| 25 mph (40.23 km/h) | 28.16 mph (45.32 km/h) |
| 30 mph (48.28 km/h) | 33.8 mph (54.39 km/h) |
| 35 mph (56.33 km/h) | 39.43 mph (63.45 km/h) |
| 40 mph (64.37 km/h) | 45.06 mph (72.52 km/h) |
| 45 mph (72.42 km/h) | 50.69 mph (81.58 km/h) |
| 50 mph (80.47 km/h) | 56.33 mph (90.65 km/h) |
| 55 mph (88.51 km/h) | 61.96 mph (99.71 km/h) |
| 60 mph (96.56 km/h) | 67.59 mph (108.78 km/h) |
| 65 mph (104.61 km/h) | 73.22 mph (117.84 km/h) |
| 70 mph (112.65 km/h) | 78.86 mph (126.91 km/h) |
| 75 mph (120.7 km/h) | 84.49 mph (135.97 km/h) |
| 80 mph (128.75 km/h) | 90.12 mph (145.03 km/h) |
| 85 mph (136.79 km/h) | 95.75 mph (154.1 km/h) |
| 90 mph (144.84 km/h) | 101.39 mph (163.16 km/h) |
| 95 mph (152.89 km/h) | 107.02 mph (172.23 km/h) |
| 100 mph (160.93 km/h) | 112.65 mph (181.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1495 | 1737 | 1871 | 1953 | 2043 | 2106 | 2176 | 2259 | 2373 | 2488 | 2615 | 2717 | 2902 | 3105 | 3264 | 3366 | 3423 | 3633 | 3926 | 4562 |
Better Fuel Economy Factory Ratios Increased Power
