Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 280/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 29.33 (745) | -0.18 (-4.46) -0.6% |
| Width inches (mm) | 10.51 (267) | 11.02 (280) | 0.51 (13) 4.9% |
| Circum. inches (mm) | 92.7 (2354.5) | 92.15 (2340.49) | -0.55 (-14.01) -0.6% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 7.17 (182) | -0.09 (-2.23) -1.2% |
| Revolutions per mile (km) | 683.52 (424.72) | 687.61 (427.26) | 4.09 (2.54) 0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.88 mph (32 km/h) |
| 25 mph (40.23 km/h) | 24.85 mph (39.99 km/h) |
| 30 mph (48.28 km/h) | 29.82 mph (47.99 km/h) |
| 35 mph (56.33 km/h) | 34.79 mph (55.99 km/h) |
| 40 mph (64.37 km/h) | 39.76 mph (63.99 km/h) |
| 45 mph (72.42 km/h) | 44.73 mph (71.99 km/h) |
| 50 mph (80.47 km/h) | 49.7 mph (79.99 km/h) |
| 55 mph (88.51 km/h) | 54.67 mph (87.99 km/h) |
| 60 mph (96.56 km/h) | 59.64 mph (95.99 km/h) |
| 65 mph (104.61 km/h) | 64.61 mph (103.99 km/h) |
| 70 mph (112.65 km/h) | 69.58 mph (111.98 km/h) |
| 75 mph (120.7 km/h) | 74.55 mph (119.98 km/h) |
| 80 mph (128.75 km/h) | 79.52 mph (127.98 km/h) |
| 85 mph (136.79 km/h) | 84.49 mph (135.98 km/h) |
| 90 mph (144.84 km/h) | 89.46 mph (143.98 km/h) |
| 95 mph (152.89 km/h) | 94.43 mph (151.98 km/h) |
| 100 mph (160.93 km/h) | 99.4 mph (159.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1750 | 2033 | 2189 | 2286 | 2390 | 2465 | 2547 | 2643 | 2777 | 2911 | 3060 | 3179 | 3395 | 3634 | 3820 | 3939 | 4006 | 4252 | 4594 | 5339 |
Better Fuel Economy Factory Ratios Increased Power
