Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-15 | 265/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.5 (597) | 27.52 (699) | 4.02 (102) 17.1% |
| Width inches (mm) | 5.31 (135) | 10.43 (265) | 5.12 (130) 96.3% |
| Circum. inches (mm) | 73.84 (1875.53) | 86.46 (2195.97) | 12.62 (320.44) 17.1% |
| Sidewall Height inches (mm) | 4.25 (108) | 6.26 (159) | 2.01 (51) 47.2% |
| Revolutions per mile (km) | 858.07 (533.18) | 732.86 (455.38) | -125.21 (-77.8) -14.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.42 mph (37.69 km/h) |
| 25 mph (40.23 km/h) | 29.27 mph (47.11 km/h) |
| 30 mph (48.28 km/h) | 35.13 mph (56.53 km/h) |
| 35 mph (56.33 km/h) | 40.98 mph (65.95 km/h) |
| 40 mph (64.37 km/h) | 46.83 mph (75.37 km/h) |
| 45 mph (72.42 km/h) | 52.69 mph (84.79 km/h) |
| 50 mph (80.47 km/h) | 58.54 mph (94.22 km/h) |
| 55 mph (88.51 km/h) | 64.4 mph (103.64 km/h) |
| 60 mph (96.56 km/h) | 70.25 mph (113.06 km/h) |
| 65 mph (104.61 km/h) | 76.11 mph (122.48 km/h) |
| 70 mph (112.65 km/h) | 81.96 mph (131.9 km/h) |
| 75 mph (120.7 km/h) | 87.81 mph (141.32 km/h) |
| 80 mph (128.75 km/h) | 93.67 mph (150.74 km/h) |
| 85 mph (136.79 km/h) | 99.52 mph (160.17 km/h) |
| 90 mph (144.84 km/h) | 105.38 mph (169.59 km/h) |
| 95 mph (152.89 km/h) | 111.23 mph (179.01 km/h) |
| 100 mph (160.93 km/h) | 117.09 mph (188.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1865 | 2167 | 2333 | 2436 | 2548 | 2627 | 2714 | 2817 | 2960 | 3103 | 3262 | 3389 | 3619 | 3873 | 4071 | 4198 | 4270 | 4532 | 4897 | 5690 |
Better Fuel Economy Factory Ratios Increased Power
