Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-17 | 215/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.87 (631.8) | 30.54 (775.8) | 5.67 (144) 22.8% |
| Width inches (mm) | 4.92 (125) | 8.46 (215) | 3.54 (90) 72% |
| Circum. inches (mm) | 78.14 (1984.86) | 95.95 (2437.25) | 17.81 (452.39) 22.8% |
| Sidewall Height inches (mm) | 3.94 (100) | 6.77 (172) | 2.83 (72) 72% |
| Revolutions per mile (km) | 810.81 (503.81) | 660.31 (410.3) | -150.5 (-93.52) -18.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.56 mph (39.52 km/h) |
| 25 mph (40.23 km/h) | 30.7 mph (49.4 km/h) |
| 30 mph (48.28 km/h) | 36.84 mph (59.28 km/h) |
| 35 mph (56.33 km/h) | 42.98 mph (69.17 km/h) |
| 40 mph (64.37 km/h) | 49.12 mph (79.05 km/h) |
| 45 mph (72.42 km/h) | 55.26 mph (88.93 km/h) |
| 50 mph (80.47 km/h) | 61.4 mph (98.81 km/h) |
| 55 mph (88.51 km/h) | 67.54 mph (108.69 km/h) |
| 60 mph (96.56 km/h) | 73.68 mph (118.57 km/h) |
| 65 mph (104.61 km/h) | 79.81 mph (128.45 km/h) |
| 70 mph (112.65 km/h) | 85.95 mph (138.33 km/h) |
| 75 mph (120.7 km/h) | 92.09 mph (148.21 km/h) |
| 80 mph (128.75 km/h) | 98.23 mph (158.09 km/h) |
| 85 mph (136.79 km/h) | 104.37 mph (167.97 km/h) |
| 90 mph (144.84 km/h) | 110.51 mph (177.85 km/h) |
| 95 mph (152.89 km/h) | 116.65 mph (187.73 km/h) |
| 100 mph (160.93 km/h) | 122.79 mph (197.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1680 | 1952 | 2102 | 2195 | 2295 | 2367 | 2445 | 2538 | 2667 | 2796 | 2939 | 3053 | 3261 | 3489 | 3668 | 3783 | 3847 | 4083 | 4412 | 5127 |
Better Fuel Economy Factory Ratios Increased Power
