Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10-17 | 279/85-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32 (812.8) | 35.67 (906.1) | 3.67 (93.3) 11.5% |
| Width inches (mm) | 10 (254) | 10.98 (279) | 0.98 (25) 9.8% |
| Circum. inches (mm) | 100.53 (2553.49) | 112.07 (2846.6) | 11.54 (293.11) 11.5% |
| Sidewall Height inches (mm) | 7.5 (190.5) | 9.34 (237.15) | 1.84 (46.65) 24.5% |
| Revolutions per mile (km) | 630.25 (391.62) | 565.36 (351.3) | -64.9 (-40.32) -10.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.3 mph (35.88 km/h) |
| 25 mph (40.23 km/h) | 27.87 mph (44.85 km/h) |
| 30 mph (48.28 km/h) | 33.44 mph (53.82 km/h) |
| 35 mph (56.33 km/h) | 39.02 mph (62.79 km/h) |
| 40 mph (64.37 km/h) | 44.59 mph (71.76 km/h) |
| 45 mph (72.42 km/h) | 50.17 mph (80.73 km/h) |
| 50 mph (80.47 km/h) | 55.74 mph (89.7 km/h) |
| 55 mph (88.51 km/h) | 61.31 mph (98.67 km/h) |
| 60 mph (96.56 km/h) | 66.89 mph (107.64 km/h) |
| 65 mph (104.61 km/h) | 72.46 mph (116.62 km/h) |
| 70 mph (112.65 km/h) | 78.04 mph (125.59 km/h) |
| 75 mph (120.7 km/h) | 83.61 mph (134.56 km/h) |
| 80 mph (128.75 km/h) | 89.18 mph (143.53 km/h) |
| 85 mph (136.79 km/h) | 94.76 mph (152.5 km/h) |
| 90 mph (144.84 km/h) | 100.33 mph (161.47 km/h) |
| 95 mph (152.89 km/h) | 105.9 mph (170.44 km/h) |
| 100 mph (160.93 km/h) | 111.48 mph (179.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1439 | 1671 | 1800 | 1880 | 1965 | 2026 | 2094 | 2173 | 2284 | 2394 | 2516 | 2614 | 2792 | 2988 | 3141 | 3239 | 3294 | 3496 | 3777 | 4390 |
Better Fuel Economy Factory Ratios Increased Power
