Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16 | 275/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.47 (773.9) | 32.16 (816.8) | 1.69 (42.9) 5.5% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 95.72 (2431.28) | 101.03 (2566.05) | 5.31 (134.77) 5.5% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 7.58 (192.5) | 0.34 (8.75) 4.8% |
| Revolutions per mile (km) | 661.93 (411.31) | 627.17 (389.7) | -34.77 (-21.6) -5.3% |
275/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.11 mph (33.97 km/h) |
| 25 mph (40.23 km/h) | 26.39 mph (42.46 km/h) |
| 30 mph (48.28 km/h) | 31.66 mph (50.96 km/h) |
| 35 mph (56.33 km/h) | 36.94 mph (59.45 km/h) |
| 40 mph (64.37 km/h) | 42.22 mph (67.94 km/h) |
| 45 mph (72.42 km/h) | 47.49 mph (76.44 km/h) |
| 50 mph (80.47 km/h) | 52.77 mph (84.93 km/h) |
| 55 mph (88.51 km/h) | 58.05 mph (93.42 km/h) |
| 60 mph (96.56 km/h) | 63.33 mph (101.91 km/h) |
| 65 mph (104.61 km/h) | 68.6 mph (110.41 km/h) |
| 70 mph (112.65 km/h) | 73.88 mph (118.9 km/h) |
| 75 mph (120.7 km/h) | 79.16 mph (127.39 km/h) |
| 80 mph (128.75 km/h) | 84.43 mph (135.88 km/h) |
| 85 mph (136.79 km/h) | 89.71 mph (144.38 km/h) |
| 90 mph (144.84 km/h) | 94.99 mph (152.87 km/h) |
| 95 mph (152.89 km/h) | 100.27 mph (161.36 km/h) |
| 100 mph (160.93 km/h) | 105.54 mph (169.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1596 | 1854 | 1997 | 2085 | 2180 | 2248 | 2323 | 2411 | 2533 | 2656 | 2791 | 2900 | 3097 | 3314 | 3484 | 3593 | 3654 | 3878 | 4190 | 4870 |
Better Fuel Economy Factory Ratios Increased Power
