Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/90-16 | 255/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.92 (658.4) | 34.07 (865.4) | 8.15 (207) 31.4% |
| Width inches (mm) | 5.51 (140) | 10.04 (255) | 4.53 (115) 82.1% |
| Circum. inches (mm) | 81.43 (2068.42) | 107.04 (2718.73) | 25.6 (650.31) 31.4% |
| Sidewall Height inches (mm) | 4.96 (126) | 9.04 (229.5) | 4.07 (103.5) 82.1% |
| Revolutions per mile (km) | 778.05 (483.46) | 591.95 (367.82) | -186.11 (-115.64) -23.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.29 mph (42.31 km/h) |
| 25 mph (40.23 km/h) | 32.86 mph (52.88 km/h) |
| 30 mph (48.28 km/h) | 39.43 mph (63.46 km/h) |
| 35 mph (56.33 km/h) | 46 mph (74.04 km/h) |
| 40 mph (64.37 km/h) | 52.58 mph (84.61 km/h) |
| 45 mph (72.42 km/h) | 59.15 mph (95.19 km/h) |
| 50 mph (80.47 km/h) | 65.72 mph (105.77 km/h) |
| 55 mph (88.51 km/h) | 72.29 mph (116.34 km/h) |
| 60 mph (96.56 km/h) | 78.86 mph (126.92 km/h) |
| 65 mph (104.61 km/h) | 85.44 mph (137.5 km/h) |
| 70 mph (112.65 km/h) | 92.01 mph (148.07 km/h) |
| 75 mph (120.7 km/h) | 98.58 mph (158.65 km/h) |
| 80 mph (128.75 km/h) | 105.15 mph (169.23 km/h) |
| 85 mph (136.79 km/h) | 111.72 mph (179.8 km/h) |
| 90 mph (144.84 km/h) | 118.3 mph (190.38 km/h) |
| 95 mph (152.89 km/h) | 124.87 mph (200.96 km/h) |
| 100 mph (160.93 km/h) | 131.44 mph (211.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1506 | 1750 | 1885 | 1968 | 2058 | 2122 | 2192 | 2276 | 2391 | 2506 | 2635 | 2737 | 2923 | 3128 | 3288 | 3391 | 3449 | 3660 | 3955 | 4596 |
Better Fuel Economy Factory Ratios Increased Power
