Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/80-15 | 207/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.54 (725) | 28.04 (712.2) | -0.5 (-12.8) -1.8% |
| Width inches (mm) | 8.46 (215) | 8.15 (207) | -0.31 (-8) -3.7% |
| Circum. inches (mm) | 89.67 (2277.65) | 88.09 (2237.44) | -1.58 (-40.21) -1.8% |
| Sidewall Height inches (mm) | 6.77 (172) | 6.52 (165.6) | -0.25 (-6.4) -3.7% |
| Revolutions per mile (km) | 706.58 (439.05) | 719.28 (446.94) | 12.7 (7.89) 1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.65 mph (31.62 km/h) |
| 25 mph (40.23 km/h) | 24.56 mph (39.52 km/h) |
| 30 mph (48.28 km/h) | 29.47 mph (47.43 km/h) |
| 35 mph (56.33 km/h) | 34.38 mph (55.33 km/h) |
| 40 mph (64.37 km/h) | 39.29 mph (63.24 km/h) |
| 45 mph (72.42 km/h) | 44.21 mph (71.14 km/h) |
| 50 mph (80.47 km/h) | 49.12 mph (79.05 km/h) |
| 55 mph (88.51 km/h) | 54.03 mph (86.95 km/h) |
| 60 mph (96.56 km/h) | 58.94 mph (94.86 km/h) |
| 65 mph (104.61 km/h) | 63.85 mph (102.76 km/h) |
| 70 mph (112.65 km/h) | 68.76 mph (110.67 km/h) |
| 75 mph (120.7 km/h) | 73.68 mph (118.57 km/h) |
| 80 mph (128.75 km/h) | 78.59 mph (126.47 km/h) |
| 85 mph (136.79 km/h) | 83.5 mph (134.38 km/h) |
| 90 mph (144.84 km/h) | 88.41 mph (142.28 km/h) |
| 95 mph (152.89 km/h) | 93.32 mph (150.19 km/h) |
| 100 mph (160.93 km/h) | 98.23 mph (158.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1830 | 2126 | 2290 | 2391 | 2500 | 2578 | 2664 | 2765 | 2905 | 3046 | 3201 | 3326 | 3552 | 3801 | 3996 | 4120 | 4191 | 4448 | 4806 | 5585 |
Better Fuel Economy Factory Ratios Increased Power
