Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/75-17 | 275/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.06 (814.3) | 32.16 (816.8) | 0.1 (2.5) 0.3% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 100.72 (2558.2) | 101.03 (2566.05) | 0.31 (7.85) 0.3% |
| Sidewall Height inches (mm) | 7.53 (191.25) | 7.58 (192.5) | 0.05 (1.25) 0.7% |
| Revolutions per mile (km) | 629.09 (390.9) | 627.17 (389.7) | -1.93 (-1.2) -0.3% |
275/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.06 mph (32.29 km/h) |
| 25 mph (40.23 km/h) | 25.08 mph (40.36 km/h) |
| 30 mph (48.28 km/h) | 30.09 mph (48.43 km/h) |
| 35 mph (56.33 km/h) | 35.11 mph (56.5 km/h) |
| 40 mph (64.37 km/h) | 40.12 mph (64.57 km/h) |
| 45 mph (72.42 km/h) | 45.14 mph (72.64 km/h) |
| 50 mph (80.47 km/h) | 50.15 mph (80.71 km/h) |
| 55 mph (88.51 km/h) | 55.17 mph (88.79 km/h) |
| 60 mph (96.56 km/h) | 60.18 mph (96.86 km/h) |
| 65 mph (104.61 km/h) | 65.2 mph (104.93 km/h) |
| 70 mph (112.65 km/h) | 70.21 mph (113 km/h) |
| 75 mph (120.7 km/h) | 75.23 mph (121.07 km/h) |
| 80 mph (128.75 km/h) | 80.25 mph (129.14 km/h) |
| 85 mph (136.79 km/h) | 85.26 mph (137.21 km/h) |
| 90 mph (144.84 km/h) | 90.28 mph (145.29 km/h) |
| 95 mph (152.89 km/h) | 95.29 mph (153.36 km/h) |
| 100 mph (160.93 km/h) | 100.31 mph (161.43 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
