Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 27/8.5-15 | 27/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.08 (687.72) | 26.98 (685.38) | -0.09 (-2.34) -0.3% |
| Width inches (mm) | 8.5 (216) | 10.51 (267) | 2.01 (51) 23.6% |
| Circum. inches (mm) | 85.06 (2160.54) | 84.77 (2153.18) | -0.29 (-7.35) -0.3% |
| Sidewall Height inches (mm) | 6.04 (153.36) | 5.99 (152.19) | -0.05 (-1.17) -0.8% |
| Revolutions per mile (km) | 744.88 (462.85) | 747.42 (464.43) | 2.54 (1.58) 0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.93 mph (32.08 km/h) |
| 25 mph (40.23 km/h) | 24.91 mph (40.1 km/h) |
| 30 mph (48.28 km/h) | 29.9 mph (48.12 km/h) |
| 35 mph (56.33 km/h) | 34.88 mph (56.14 km/h) |
| 40 mph (64.37 km/h) | 39.86 mph (64.15 km/h) |
| 45 mph (72.42 km/h) | 44.85 mph (72.17 km/h) |
| 50 mph (80.47 km/h) | 49.83 mph (80.19 km/h) |
| 55 mph (88.51 km/h) | 54.81 mph (88.21 km/h) |
| 60 mph (96.56 km/h) | 59.8 mph (96.23 km/h) |
| 65 mph (104.61 km/h) | 64.78 mph (104.25 km/h) |
| 70 mph (112.65 km/h) | 69.76 mph (112.27 km/h) |
| 75 mph (120.7 km/h) | 74.74 mph (120.29 km/h) |
| 80 mph (128.75 km/h) | 79.73 mph (128.31 km/h) |
| 85 mph (136.79 km/h) | 84.71 mph (136.33 km/h) |
| 90 mph (144.84 km/h) | 89.69 mph (144.35 km/h) |
| 95 mph (152.89 km/h) | 94.68 mph (152.37 km/h) |
| 100 mph (160.93 km/h) | 99.66 mph (160.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1902 | 2210 | 2380 | 2485 | 2598 | 2679 | 2768 | 2873 | 3019 | 3165 | 3327 | 3456 | 3691 | 3950 | 4152 | 4282 | 4354 | 4622 | 4994 | 5803 |
Better Fuel Economy Factory Ratios Increased Power
