Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-17 | 225/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.87 (631.8) | 31.17 (791.8) | 6.3 (160) 25.3% |
| Width inches (mm) | 4.92 (125) | 8.86 (225) | 3.94 (100) 80% |
| Circum. inches (mm) | 78.14 (1984.86) | 97.93 (2487.51) | 19.79 (502.65) 25.3% |
| Sidewall Height inches (mm) | 3.94 (100) | 7.09 (180) | 3.15 (80) 80% |
| Revolutions per mile (km) | 810.81 (503.81) | 646.97 (402.01) | -163.84 (-101.81) -20.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.06 mph (40.34 km/h) |
| 25 mph (40.23 km/h) | 31.33 mph (50.42 km/h) |
| 30 mph (48.28 km/h) | 37.6 mph (60.51 km/h) |
| 35 mph (56.33 km/h) | 43.86 mph (70.59 km/h) |
| 40 mph (64.37 km/h) | 50.13 mph (80.68 km/h) |
| 45 mph (72.42 km/h) | 56.4 mph (90.76 km/h) |
| 50 mph (80.47 km/h) | 62.66 mph (100.85 km/h) |
| 55 mph (88.51 km/h) | 68.93 mph (110.93 km/h) |
| 60 mph (96.56 km/h) | 75.19 mph (121.01 km/h) |
| 65 mph (104.61 km/h) | 81.46 mph (131.1 km/h) |
| 70 mph (112.65 km/h) | 87.73 mph (141.18 km/h) |
| 75 mph (120.7 km/h) | 93.99 mph (151.27 km/h) |
| 80 mph (128.75 km/h) | 100.26 mph (161.35 km/h) |
| 85 mph (136.79 km/h) | 106.53 mph (171.44 km/h) |
| 90 mph (144.84 km/h) | 112.79 mph (181.52 km/h) |
| 95 mph (152.89 km/h) | 119.06 mph (191.61 km/h) |
| 100 mph (160.93 km/h) | 125.32 mph (201.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1646 | 1913 | 2060 | 2151 | 2249 | 2319 | 2396 | 2487 | 2613 | 2739 | 2879 | 2992 | 3195 | 3419 | 3594 | 3706 | 3769 | 4000 | 4323 | 5023 |
Better Fuel Economy Factory Ratios Increased Power
