Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-17 | 280/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.44 (620.8) | 32.43 (823.8) | 7.99 (203) 32.7% |
| Width inches (mm) | 5.31 (135) | 11.02 (280) | 5.71 (145) 107.4% |
| Circum. inches (mm) | 76.78 (1950.3) | 101.89 (2588.04) | 25.11 (637.74) 32.7% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 7.72 (196) | 4 (101.5) 107.4% |
| Revolutions per mile (km) | 825.18 (512.74) | 621.84 (386.39) | -203.34 (-126.35) -24.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.54 mph (42.71 km/h) |
| 25 mph (40.23 km/h) | 33.17 mph (53.39 km/h) |
| 30 mph (48.28 km/h) | 39.81 mph (64.07 km/h) |
| 35 mph (56.33 km/h) | 46.44 mph (74.75 km/h) |
| 40 mph (64.37 km/h) | 53.08 mph (85.42 km/h) |
| 45 mph (72.42 km/h) | 59.71 mph (96.1 km/h) |
| 50 mph (80.47 km/h) | 66.35 mph (106.78 km/h) |
| 55 mph (88.51 km/h) | 72.98 mph (117.46 km/h) |
| 60 mph (96.56 km/h) | 79.62 mph (128.14 km/h) |
| 65 mph (104.61 km/h) | 86.25 mph (138.81 km/h) |
| 70 mph (112.65 km/h) | 92.89 mph (149.49 km/h) |
| 75 mph (120.7 km/h) | 99.52 mph (160.17 km/h) |
| 80 mph (128.75 km/h) | 106.16 mph (170.85 km/h) |
| 85 mph (136.79 km/h) | 112.79 mph (181.53 km/h) |
| 90 mph (144.84 km/h) | 119.43 mph (192.2 km/h) |
| 95 mph (152.89 km/h) | 126.06 mph (202.88 km/h) |
| 100 mph (160.93 km/h) | 132.7 mph (213.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1582 | 1838 | 1980 | 2067 | 2162 | 2229 | 2303 | 2391 | 2512 | 2633 | 2768 | 2875 | 3071 | 3286 | 3454 | 3562 | 3623 | 3845 | 4155 | 4828 |
Better Fuel Economy Factory Ratios Increased Power
