Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-17 | 215/80-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.91 (759.8) | 31.04 (788.5) | 1.13 (28.7) 3.8% |
| Width inches (mm) | 8.07 (205) | 8.46 (215) | 0.39 (10) 4.9% |
| Circum. inches (mm) | 93.98 (2386.98) | 97.53 (2477.15) | 3.55 (90.16) 3.8% |
| Sidewall Height inches (mm) | 6.46 (164) | 6.77 (172) | 0.31 (8) 4.9% |
| Revolutions per mile (km) | 674.22 (418.94) | 649.68 (403.69) | -24.54 (-15.25) -3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.4 km/h) |
| 25 mph (40.23 km/h) | 25.94 mph (41.75 km/h) |
| 30 mph (48.28 km/h) | 31.13 mph (50.1 km/h) |
| 35 mph (56.33 km/h) | 36.32 mph (58.45 km/h) |
| 40 mph (64.37 km/h) | 41.51 mph (66.81 km/h) |
| 45 mph (72.42 km/h) | 46.7 mph (75.16 km/h) |
| 50 mph (80.47 km/h) | 51.89 mph (83.51 km/h) |
| 55 mph (88.51 km/h) | 57.08 mph (91.86 km/h) |
| 60 mph (96.56 km/h) | 62.27 mph (100.21 km/h) |
| 65 mph (104.61 km/h) | 67.46 mph (108.56 km/h) |
| 70 mph (112.65 km/h) | 72.64 mph (116.91 km/h) |
| 75 mph (120.7 km/h) | 77.83 mph (125.26 km/h) |
| 80 mph (128.75 km/h) | 83.02 mph (133.61 km/h) |
| 85 mph (136.79 km/h) | 88.21 mph (141.96 km/h) |
| 90 mph (144.84 km/h) | 93.4 mph (150.31 km/h) |
| 95 mph (152.89 km/h) | 98.59 mph (158.66 km/h) |
| 100 mph (160.93 km/h) | 103.78 mph (167.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1653 | 1921 | 2068 | 2160 | 2258 | 2329 | 2406 | 2498 | 2624 | 2751 | 2892 | 3004 | 3208 | 3433 | 3609 | 3722 | 3785 | 4017 | 4341 | 5044 |
Better Fuel Economy Factory Ratios Increased Power
