Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/65-12 | 150/75-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.4 (467.3) | 21.86 (555.2) | 3.46 (87.9) 18.8% |
| Width inches (mm) | 4.92 (125) | 5.91 (150) | 0.98 (25) 20% |
| Circum. inches (mm) | 57.8 (1468.07) | 68.67 (1744.21) | 10.87 (276.15) 18.8% |
| Sidewall Height inches (mm) | 3.2 (81.25) | 4.43 (112.5) | 1.23 (31.25) 38.5% |
| Revolutions per mile (km) | 1096.23 (681.17) | 922.68 (573.32) | -173.56 (-107.84) -15.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.76 mph (38.24 km/h) |
| 25 mph (40.23 km/h) | 29.7 mph (47.8 km/h) |
| 30 mph (48.28 km/h) | 35.64 mph (57.36 km/h) |
| 35 mph (56.33 km/h) | 41.58 mph (66.92 km/h) |
| 40 mph (64.37 km/h) | 47.52 mph (76.48 km/h) |
| 45 mph (72.42 km/h) | 53.46 mph (86.04 km/h) |
| 50 mph (80.47 km/h) | 59.41 mph (95.6 km/h) |
| 55 mph (88.51 km/h) | 65.35 mph (105.16 km/h) |
| 60 mph (96.56 km/h) | 71.29 mph (114.72 km/h) |
| 65 mph (104.61 km/h) | 77.23 mph (124.28 km/h) |
| 70 mph (112.65 km/h) | 83.17 mph (133.84 km/h) |
| 75 mph (120.7 km/h) | 89.11 mph (143.41 km/h) |
| 80 mph (128.75 km/h) | 95.05 mph (152.97 km/h) |
| 85 mph (136.79 km/h) | 100.99 mph (162.53 km/h) |
| 90 mph (144.84 km/h) | 106.93 mph (172.09 km/h) |
| 95 mph (152.89 km/h) | 112.87 mph (181.65 km/h) |
| 100 mph (160.93 km/h) | 118.81 mph (191.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
