Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/9-15 | 365/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.98 (710.76) | 30.81 (782.5) | 2.82 (71.74) 10.1% |
| Width inches (mm) | 9.02 (229) | 14.37 (365) | 5.35 (136) 59.4% |
| Circum. inches (mm) | 87.91 (2232.92) | 96.78 (2458.3) | 8.87 (225.38) 10.1% |
| Sidewall Height inches (mm) | 6.49 (164.88) | 7.9 (200.75) | 1.41 (35.87) 21.8% |
| Revolutions per mile (km) | 720.74 (447.84) | 654.66 (406.79) | -66.08 (-41.06) -9.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.02 mph (35.44 km/h) |
| 25 mph (40.23 km/h) | 27.52 mph (44.29 km/h) |
| 30 mph (48.28 km/h) | 33.03 mph (53.15 km/h) |
| 35 mph (56.33 km/h) | 38.53 mph (62.01 km/h) |
| 40 mph (64.37 km/h) | 44.04 mph (70.87 km/h) |
| 45 mph (72.42 km/h) | 49.54 mph (79.73 km/h) |
| 50 mph (80.47 km/h) | 55.05 mph (88.59 km/h) |
| 55 mph (88.51 km/h) | 60.55 mph (97.45 km/h) |
| 60 mph (96.56 km/h) | 66.06 mph (106.31 km/h) |
| 65 mph (104.61 km/h) | 71.56 mph (115.17 km/h) |
| 70 mph (112.65 km/h) | 77.07 mph (124.02 km/h) |
| 75 mph (120.7 km/h) | 82.57 mph (132.88 km/h) |
| 80 mph (128.75 km/h) | 88.07 mph (141.74 km/h) |
| 85 mph (136.79 km/h) | 93.58 mph (150.6 km/h) |
| 90 mph (144.84 km/h) | 99.08 mph (159.46 km/h) |
| 95 mph (152.89 km/h) | 104.59 mph (168.32 km/h) |
| 100 mph (160.93 km/h) | 110.09 mph (177.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1666 | 1935 | 2084 | 2176 | 2276 | 2347 | 2425 | 2517 | 2644 | 2772 | 2914 | 3027 | 3233 | 3460 | 3637 | 3750 | 3814 | 4048 | 4374 | 5083 |
Better Fuel Economy Factory Ratios Increased Power
