Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-16 | 125/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.34 (567.4) | 23.87 (606.4) | 1.54 (39) 6.9% |
| Width inches (mm) | 4.53 (115) | 4.92 (125) | 0.39 (10) 8.7% |
| Circum. inches (mm) | 70.18 (1782.54) | 75 (1905.06) | 4.82 (122.52) 6.9% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 3.94 (100) | 0.77 (19.5) 24.2% |
| Revolutions per mile (km) | 902.84 (561) | 844.77 (524.92) | -58.07 (-36.08) -6.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.37 mph (34.4 km/h) |
| 25 mph (40.23 km/h) | 26.72 mph (43 km/h) |
| 30 mph (48.28 km/h) | 32.06 mph (51.6 km/h) |
| 35 mph (56.33 km/h) | 37.41 mph (60.2 km/h) |
| 40 mph (64.37 km/h) | 42.75 mph (68.8 km/h) |
| 45 mph (72.42 km/h) | 48.09 mph (77.4 km/h) |
| 50 mph (80.47 km/h) | 53.44 mph (86 km/h) |
| 55 mph (88.51 km/h) | 58.78 mph (94.6 km/h) |
| 60 mph (96.56 km/h) | 64.12 mph (103.2 km/h) |
| 65 mph (104.61 km/h) | 69.47 mph (111.8 km/h) |
| 70 mph (112.65 km/h) | 74.81 mph (120.4 km/h) |
| 75 mph (120.7 km/h) | 80.16 mph (129 km/h) |
| 80 mph (128.75 km/h) | 85.5 mph (137.6 km/h) |
| 85 mph (136.79 km/h) | 90.84 mph (146.2 km/h) |
| 90 mph (144.84 km/h) | 96.19 mph (154.8 km/h) |
| 95 mph (152.89 km/h) | 101.53 mph (163.4 km/h) |
| 100 mph (160.93 km/h) | 106.87 mph (172 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2150 | 2497 | 2690 | 2808 | 2937 | 3028 | 3129 | 3248 | 3412 | 3577 | 3760 | 3906 | 4171 | 4464 | 4693 | 4839 | 4922 | 5224 | 5644 | 6559 |
Better Fuel Economy Factory Ratios Increased Power
