Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-17 | 275/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.47 (799.3) | 32.16 (816.8) | 0.69 (17.5) 2.2% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 98.86 (2511.08) | 101.03 (2566.05) | 2.16 (54.98) 2.2% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 7.58 (192.5) | 0.34 (8.75) 4.8% |
| Revolutions per mile (km) | 640.9 (398.24) | 627.17 (389.7) | -13.73 (-8.53) -2.1% |
275/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.44 mph (32.89 km/h) |
| 25 mph (40.23 km/h) | 25.55 mph (41.11 km/h) |
| 30 mph (48.28 km/h) | 30.66 mph (49.34 km/h) |
| 35 mph (56.33 km/h) | 35.77 mph (57.56 km/h) |
| 40 mph (64.37 km/h) | 40.88 mph (65.78 km/h) |
| 45 mph (72.42 km/h) | 45.99 mph (74.01 km/h) |
| 50 mph (80.47 km/h) | 51.09 mph (82.23 km/h) |
| 55 mph (88.51 km/h) | 56.2 mph (90.45 km/h) |
| 60 mph (96.56 km/h) | 61.31 mph (98.67 km/h) |
| 65 mph (104.61 km/h) | 66.42 mph (106.9 km/h) |
| 70 mph (112.65 km/h) | 71.53 mph (115.12 km/h) |
| 75 mph (120.7 km/h) | 76.64 mph (123.34 km/h) |
| 80 mph (128.75 km/h) | 81.75 mph (131.57 km/h) |
| 85 mph (136.79 km/h) | 86.86 mph (139.79 km/h) |
| 90 mph (144.84 km/h) | 91.97 mph (148.01 km/h) |
| 95 mph (152.89 km/h) | 97.08 mph (156.24 km/h) |
| 100 mph (160.93 km/h) | 102.19 mph (164.46 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
