Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/85-16 | 140/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.37 (644.4) | 25.92 (658.4) | 0.55 (14) 2.2% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 79.7 (2024.44) | 81.43 (2068.42) | 1.73 (43.98) 2.2% |
| Sidewall Height inches (mm) | 4.69 (119) | 4.96 (126) | 0.28 (7) 5.9% |
| Revolutions per mile (km) | 794.96 (493.96) | 778.05 (483.46) | -16.9 (-10.5) -2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.43 mph (32.89 km/h) |
| 25 mph (40.23 km/h) | 25.54 mph (41.11 km/h) |
| 30 mph (48.28 km/h) | 30.65 mph (49.33 km/h) |
| 35 mph (56.33 km/h) | 35.76 mph (57.55 km/h) |
| 40 mph (64.37 km/h) | 40.87 mph (65.77 km/h) |
| 45 mph (72.42 km/h) | 45.98 mph (73.99 km/h) |
| 50 mph (80.47 km/h) | 51.09 mph (82.22 km/h) |
| 55 mph (88.51 km/h) | 56.19 mph (90.44 km/h) |
| 60 mph (96.56 km/h) | 61.3 mph (98.66 km/h) |
| 65 mph (104.61 km/h) | 66.41 mph (106.88 km/h) |
| 70 mph (112.65 km/h) | 71.52 mph (115.1 km/h) |
| 75 mph (120.7 km/h) | 76.63 mph (123.32 km/h) |
| 80 mph (128.75 km/h) | 81.74 mph (131.54 km/h) |
| 85 mph (136.79 km/h) | 86.85 mph (139.77 km/h) |
| 90 mph (144.84 km/h) | 91.96 mph (147.99 km/h) |
| 95 mph (152.89 km/h) | 97.06 mph (156.21 km/h) |
| 100 mph (160.93 km/h) | 102.17 mph (164.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 | 2300 | 2477 | 2587 | 2705 | 2789 | 2882 | 2991 | 3143 | 3294 | 3463 | 3598 | 3842 | 4112 | 4322 | 4457 | 4533 | 4811 | 5199 | 6041 |
Better Fuel Economy Factory Ratios Increased Power
