Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/9-15 | 290/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.98 (710.76) | 28.7 (729) | 0.72 (18.24) 2.6% |
| Width inches (mm) | 9.02 (229) | 11.42 (290) | 2.4 (61) 26.6% |
| Circum. inches (mm) | 87.91 (2232.92) | 90.17 (2290.22) | 2.26 (57.3) 2.6% |
| Sidewall Height inches (mm) | 6.49 (164.88) | 6.85 (174) | 0.36 (9.12) 5.5% |
| Revolutions per mile (km) | 720.74 (447.84) | 702.7 (436.64) | -18.03 (-11.21) -2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.51 mph (33.01 km/h) |
| 25 mph (40.23 km/h) | 25.64 mph (41.27 km/h) |
| 30 mph (48.28 km/h) | 30.77 mph (49.52 km/h) |
| 35 mph (56.33 km/h) | 35.9 mph (57.77 km/h) |
| 40 mph (64.37 km/h) | 41.03 mph (66.03 km/h) |
| 45 mph (72.42 km/h) | 46.15 mph (74.28 km/h) |
| 50 mph (80.47 km/h) | 51.28 mph (82.53 km/h) |
| 55 mph (88.51 km/h) | 56.41 mph (90.79 km/h) |
| 60 mph (96.56 km/h) | 61.54 mph (99.04 km/h) |
| 65 mph (104.61 km/h) | 66.67 mph (107.29 km/h) |
| 70 mph (112.65 km/h) | 71.8 mph (115.55 km/h) |
| 75 mph (120.7 km/h) | 76.92 mph (123.8 km/h) |
| 80 mph (128.75 km/h) | 82.05 mph (132.05 km/h) |
| 85 mph (136.79 km/h) | 87.18 mph (140.31 km/h) |
| 90 mph (144.84 km/h) | 92.31 mph (148.56 km/h) |
| 95 mph (152.89 km/h) | 97.44 mph (156.81 km/h) |
| 100 mph (160.93 km/h) | 102.57 mph (165.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1788 | 2077 | 2237 | 2336 | 2443 | 2519 | 2602 | 2701 | 2838 | 2975 | 3128 | 3249 | 3470 | 3713 | 3904 | 4025 | 4094 | 4345 | 4695 | 5456 |
Better Fuel Economy Factory Ratios Increased Power
