Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/9-15 | 29/15.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.98 (710.76) | 28.96 (735.6) | 0.98 (24.84) 3.5% |
| Width inches (mm) | 9.02 (229) | 15.51 (394) | 6.5 (165) 72.1% |
| Circum. inches (mm) | 87.91 (2232.92) | 90.98 (2310.96) | 3.07 (78.04) 3.5% |
| Sidewall Height inches (mm) | 6.49 (164.88) | 6.98 (177.3) | 0.49 (12.42) 7.5% |
| Revolutions per mile (km) | 720.74 (447.84) | 696.4 (432.72) | -24.34 (-15.12) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.7 mph (33.31 km/h) |
| 25 mph (40.23 km/h) | 25.87 mph (41.64 km/h) |
| 30 mph (48.28 km/h) | 31.05 mph (49.97 km/h) |
| 35 mph (56.33 km/h) | 36.22 mph (58.3 km/h) |
| 40 mph (64.37 km/h) | 41.4 mph (66.62 km/h) |
| 45 mph (72.42 km/h) | 46.57 mph (74.95 km/h) |
| 50 mph (80.47 km/h) | 51.75 mph (83.28 km/h) |
| 55 mph (88.51 km/h) | 56.92 mph (91.61 km/h) |
| 60 mph (96.56 km/h) | 62.1 mph (99.94 km/h) |
| 65 mph (104.61 km/h) | 67.27 mph (108.26 km/h) |
| 70 mph (112.65 km/h) | 72.45 mph (116.59 km/h) |
| 75 mph (120.7 km/h) | 77.62 mph (124.92 km/h) |
| 80 mph (128.75 km/h) | 82.8 mph (133.25 km/h) |
| 85 mph (136.79 km/h) | 87.97 mph (141.58 km/h) |
| 90 mph (144.84 km/h) | 93.15 mph (149.9 km/h) |
| 95 mph (152.89 km/h) | 98.32 mph (158.23 km/h) |
| 100 mph (160.93 km/h) | 103.49 mph (166.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1772 | 2059 | 2217 | 2315 | 2421 | 2496 | 2579 | 2677 | 2813 | 2949 | 3099 | 3220 | 3439 | 3680 | 3869 | 3989 | 4057 | 4306 | 4653 | 5407 |
Better Fuel Economy Factory Ratios Increased Power
