Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-17 | 275/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.84) | 32.16 (816.8) | -0.87 (-22.04) -2.6% |
| Width inches (mm) | 12.52 (318) | 10.83 (275) | -1.69 (-43) -13.5% |
| Circum. inches (mm) | 103.75 (2635.29) | 101.03 (2566.05) | -2.73 (-69.24) -2.6% |
| Sidewall Height inches (mm) | 8.01 (203.52) | 7.58 (192.5) | -0.43 (-11.02) -5.4% |
| Revolutions per mile (km) | 610.69 (379.46) | 627.17 (389.7) | 16.48 (10.24) 2.7% |
275/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.47 mph (31.34 km/h) |
| 25 mph (40.23 km/h) | 24.34 mph (39.18 km/h) |
| 30 mph (48.28 km/h) | 29.21 mph (47.01 km/h) |
| 35 mph (56.33 km/h) | 34.08 mph (54.85 km/h) |
| 40 mph (64.37 km/h) | 38.95 mph (62.68 km/h) |
| 45 mph (72.42 km/h) | 43.82 mph (70.52 km/h) |
| 50 mph (80.47 km/h) | 48.69 mph (78.35 km/h) |
| 55 mph (88.51 km/h) | 53.55 mph (86.19 km/h) |
| 60 mph (96.56 km/h) | 58.42 mph (94.02 km/h) |
| 65 mph (104.61 km/h) | 63.29 mph (101.86 km/h) |
| 70 mph (112.65 km/h) | 68.16 mph (109.69 km/h) |
| 75 mph (120.7 km/h) | 73.03 mph (117.53 km/h) |
| 80 mph (128.75 km/h) | 77.9 mph (125.36 km/h) |
| 85 mph (136.79 km/h) | 82.77 mph (133.2 km/h) |
| 90 mph (144.84 km/h) | 87.64 mph (141.04 km/h) |
| 95 mph (152.89 km/h) | 92.5 mph (148.87 km/h) |
| 100 mph (160.93 km/h) | 97.37 mph (156.71 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
