Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 115/95-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 25.6 (650.3) | 1.74 (44.3) 7.3% |
| Width inches (mm) | 4.92 (125) | 4.53 (115) | -0.39 (-10) -8% |
| Circum. inches (mm) | 74.95 (1903.81) | 80.43 (2042.98) | 5.48 (139.17) 7.3% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.3 (109.25) | -0.13 (-3.25) -2.9% |
| Revolutions per mile (km) | 845.33 (525.26) | 787.74 (489.48) | -57.59 (-35.78) -6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.46 mph (34.54 km/h) |
| 25 mph (40.23 km/h) | 26.83 mph (43.17 km/h) |
| 30 mph (48.28 km/h) | 32.19 mph (51.81 km/h) |
| 35 mph (56.33 km/h) | 37.56 mph (60.44 km/h) |
| 40 mph (64.37 km/h) | 42.92 mph (69.08 km/h) |
| 45 mph (72.42 km/h) | 48.29 mph (77.71 km/h) |
| 50 mph (80.47 km/h) | 53.66 mph (86.35 km/h) |
| 55 mph (88.51 km/h) | 59.02 mph (94.98 km/h) |
| 60 mph (96.56 km/h) | 64.39 mph (103.62 km/h) |
| 65 mph (104.61 km/h) | 69.75 mph (112.25 km/h) |
| 70 mph (112.65 km/h) | 75.12 mph (120.89 km/h) |
| 75 mph (120.7 km/h) | 80.48 mph (129.52 km/h) |
| 80 mph (128.75 km/h) | 85.85 mph (138.16 km/h) |
| 85 mph (136.79 km/h) | 91.21 mph (146.79 km/h) |
| 90 mph (144.84 km/h) | 96.58 mph (155.43 km/h) |
| 95 mph (152.89 km/h) | 101.94 mph (164.06 km/h) |
| 100 mph (160.93 km/h) | 107.31 mph (172.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 2329 | 2508 | 2619 | 2738 | 2824 | 2917 | 3028 | 3182 | 3335 | 3506 | 3643 | 3890 | 4163 | 4376 | 4513 | 4589 | 4871 | 5263 | 6116 |
Better Fuel Economy Factory Ratios Increased Power
