Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/80-17 | 275/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.06 (839.8) | 34.32 (871.8) | 1.26 (32) 3.8% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 103.87 (2638.31) | 107.83 (2738.84) | 3.96 (100.53) 3.8% |
| Sidewall Height inches (mm) | 8.03 (204) | 8.66 (220) | 0.63 (16) 7.8% |
| Revolutions per mile (km) | 609.99 (379.03) | 587.6 (365.12) | -22.39 (-13.91) -3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.41 km/h) |
| 25 mph (40.23 km/h) | 25.95 mph (41.77 km/h) |
| 30 mph (48.28 km/h) | 31.14 mph (50.12 km/h) |
| 35 mph (56.33 km/h) | 36.33 mph (58.47 km/h) |
| 40 mph (64.37 km/h) | 41.52 mph (66.83 km/h) |
| 45 mph (72.42 km/h) | 46.71 mph (75.18 km/h) |
| 50 mph (80.47 km/h) | 51.91 mph (83.53 km/h) |
| 55 mph (88.51 km/h) | 57.1 mph (91.89 km/h) |
| 60 mph (96.56 km/h) | 62.29 mph (100.24 km/h) |
| 65 mph (104.61 km/h) | 67.48 mph (108.59 km/h) |
| 70 mph (112.65 km/h) | 72.67 mph (116.95 km/h) |
| 75 mph (120.7 km/h) | 77.86 mph (125.3 km/h) |
| 80 mph (128.75 km/h) | 83.05 mph (133.65 km/h) |
| 85 mph (136.79 km/h) | 88.24 mph (142.01 km/h) |
| 90 mph (144.84 km/h) | 93.43 mph (150.36 km/h) |
| 95 mph (152.89 km/h) | 98.62 mph (158.71 km/h) |
| 100 mph (160.93 km/h) | 103.81 mph (167.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1495 | 1737 | 1871 | 1953 | 2043 | 2106 | 2176 | 2259 | 2373 | 2488 | 2615 | 2717 | 2902 | 3105 | 3264 | 3366 | 3423 | 3633 | 3926 | 4562 |
Better Fuel Economy Factory Ratios Increased Power
