Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/55-17 | 275/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.04 (712.3) | 27.83 (706.8) | -0.22 (-5.5) -0.8% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 88.1 (2237.76) | 87.42 (2220.48) | -0.68 (-17.28) -0.8% |
| Sidewall Height inches (mm) | 5.52 (140.25) | 5.41 (137.5) | -0.11 (-2.75) -2% |
| Revolutions per mile (km) | 719.18 (446.88) | 724.77 (450.35) | 5.6 (3.48) 0.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.85 mph (31.94 km/h) |
| 25 mph (40.23 km/h) | 24.81 mph (39.92 km/h) |
| 30 mph (48.28 km/h) | 29.77 mph (47.91 km/h) |
| 35 mph (56.33 km/h) | 34.73 mph (55.89 km/h) |
| 40 mph (64.37 km/h) | 39.69 mph (63.88 km/h) |
| 45 mph (72.42 km/h) | 44.65 mph (71.86 km/h) |
| 50 mph (80.47 km/h) | 49.61 mph (79.85 km/h) |
| 55 mph (88.51 km/h) | 54.58 mph (87.83 km/h) |
| 60 mph (96.56 km/h) | 59.54 mph (95.82 km/h) |
| 65 mph (104.61 km/h) | 64.5 mph (103.8 km/h) |
| 70 mph (112.65 km/h) | 69.46 mph (111.78 km/h) |
| 75 mph (120.7 km/h) | 74.42 mph (119.77 km/h) |
| 80 mph (128.75 km/h) | 79.38 mph (127.75 km/h) |
| 85 mph (136.79 km/h) | 84.34 mph (135.74 km/h) |
| 90 mph (144.84 km/h) | 89.31 mph (143.72 km/h) |
| 95 mph (152.89 km/h) | 94.27 mph (151.71 km/h) |
| 100 mph (160.93 km/h) | 99.23 mph (159.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1844 | 2143 | 2307 | 2410 | 2519 | 2598 | 2684 | 2786 | 2928 | 3069 | 3226 | 3351 | 3579 | 3830 | 4026 | 4152 | 4223 | 4482 | 4843 | 5627 |
Better Fuel Economy Factory Ratios Increased Power
