Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-15 | 135/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.34 (542) | 23.44 (595.4) | 2.1 (53.4) 9.9% |
| Width inches (mm) | 4.53 (115) | 5.31 (135) | 0.79 (20) 17.4% |
| Circum. inches (mm) | 67.04 (1702.74) | 73.64 (1870.5) | 6.6 (167.76) 9.9% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 3.72 (94.5) | 0.55 (14) 17.4% |
| Revolutions per mile (km) | 945.15 (587.29) | 860.38 (534.61) | -84.77 (-52.67) -9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.97 mph (35.36 km/h) |
| 25 mph (40.23 km/h) | 27.46 mph (44.2 km/h) |
| 30 mph (48.28 km/h) | 32.96 mph (53.04 km/h) |
| 35 mph (56.33 km/h) | 38.45 mph (61.88 km/h) |
| 40 mph (64.37 km/h) | 43.94 mph (70.72 km/h) |
| 45 mph (72.42 km/h) | 49.43 mph (79.56 km/h) |
| 50 mph (80.47 km/h) | 54.93 mph (88.4 km/h) |
| 55 mph (88.51 km/h) | 60.42 mph (97.23 km/h) |
| 60 mph (96.56 km/h) | 65.91 mph (106.07 km/h) |
| 65 mph (104.61 km/h) | 71.4 mph (114.91 km/h) |
| 70 mph (112.65 km/h) | 76.9 mph (123.75 km/h) |
| 75 mph (120.7 km/h) | 82.39 mph (132.59 km/h) |
| 80 mph (128.75 km/h) | 87.88 mph (141.43 km/h) |
| 85 mph (136.79 km/h) | 93.37 mph (150.27 km/h) |
| 90 mph (144.84 km/h) | 98.87 mph (159.11 km/h) |
| 95 mph (152.89 km/h) | 104.36 mph (167.95 km/h) |
| 100 mph (160.93 km/h) | 109.85 mph (176.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2190 | 2544 | 2739 | 2860 | 2991 | 3084 | 3186 | 3308 | 3475 | 3643 | 3829 | 3978 | 4249 | 4547 | 4780 | 4929 | 5013 | 5320 | 5749 | 6680 |
Better Fuel Economy Factory Ratios Increased Power
