Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 115/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 24.15 (613.4) | 0.29 (7.4) 1.2% |
| Width inches (mm) | 4.92 (125) | 4.53 (115) | -0.39 (-10) -8% |
| Circum. inches (mm) | 74.95 (1903.81) | 75.87 (1927.05) | 0.92 (23.25) 1.2% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.07 (103.5) | -0.35 (-9) -8% |
| Revolutions per mile (km) | 845.33 (525.26) | 835.13 (518.93) | -10.2 (-6.34) -1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.24 mph (32.58 km/h) |
| 25 mph (40.23 km/h) | 25.31 mph (40.72 km/h) |
| 30 mph (48.28 km/h) | 30.37 mph (48.87 km/h) |
| 35 mph (56.33 km/h) | 35.43 mph (57.01 km/h) |
| 40 mph (64.37 km/h) | 40.49 mph (65.16 km/h) |
| 45 mph (72.42 km/h) | 45.55 mph (73.3 km/h) |
| 50 mph (80.47 km/h) | 50.61 mph (81.45 km/h) |
| 55 mph (88.51 km/h) | 55.67 mph (89.59 km/h) |
| 60 mph (96.56 km/h) | 60.73 mph (97.74 km/h) |
| 65 mph (104.61 km/h) | 65.79 mph (105.88 km/h) |
| 70 mph (112.65 km/h) | 70.85 mph (114.03 km/h) |
| 75 mph (120.7 km/h) | 75.92 mph (122.17 km/h) |
| 80 mph (128.75 km/h) | 80.98 mph (130.32 km/h) |
| 85 mph (136.79 km/h) | 86.04 mph (138.46 km/h) |
| 90 mph (144.84 km/h) | 91.1 mph (146.61 km/h) |
| 95 mph (152.89 km/h) | 96.16 mph (154.75 km/h) |
| 100 mph (160.93 km/h) | 101.22 mph (162.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2125 | 2469 | 2659 | 2776 | 2903 | 2993 | 3093 | 3210 | 3373 | 3536 | 3717 | 3862 | 4124 | 4413 | 4639 | 4784 | 4865 | 5164 | 5580 | 6484 |
Better Fuel Economy Factory Ratios Increased Power
