Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/85-16 | 155/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.37 (644.4) | 25.15 (638.9) | -0.22 (-5.5) -0.9% |
| Width inches (mm) | 5.51 (140) | 6.1 (155) | 0.59 (15) 10.7% |
| Circum. inches (mm) | 79.7 (2024.44) | 79.02 (2007.16) | -0.68 (-17.28) -0.9% |
| Sidewall Height inches (mm) | 4.69 (119) | 4.58 (116.25) | -0.11 (-2.75) -2.3% |
| Revolutions per mile (km) | 794.96 (493.96) | 801.8 (498.21) | 6.84 (4.25) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.83 mph (31.91 km/h) |
| 25 mph (40.23 km/h) | 24.79 mph (39.89 km/h) |
| 30 mph (48.28 km/h) | 29.74 mph (47.87 km/h) |
| 35 mph (56.33 km/h) | 34.7 mph (55.85 km/h) |
| 40 mph (64.37 km/h) | 39.66 mph (63.82 km/h) |
| 45 mph (72.42 km/h) | 44.62 mph (71.8 km/h) |
| 50 mph (80.47 km/h) | 49.57 mph (79.78 km/h) |
| 55 mph (88.51 km/h) | 54.53 mph (87.76 km/h) |
| 60 mph (96.56 km/h) | 59.49 mph (95.74 km/h) |
| 65 mph (104.61 km/h) | 64.45 mph (103.71 km/h) |
| 70 mph (112.65 km/h) | 69.4 mph (111.69 km/h) |
| 75 mph (120.7 km/h) | 74.36 mph (119.67 km/h) |
| 80 mph (128.75 km/h) | 79.32 mph (127.65 km/h) |
| 85 mph (136.79 km/h) | 84.27 mph (135.63 km/h) |
| 90 mph (144.84 km/h) | 89.23 mph (143.61 km/h) |
| 95 mph (152.89 km/h) | 94.19 mph (151.58 km/h) |
| 100 mph (160.93 km/h) | 99.15 mph (159.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2040 | 2370 | 2553 | 2666 | 2787 | 2874 | 2969 | 3082 | 3239 | 3395 | 3569 | 3708 | 3959 | 4237 | 4454 | 4593 | 4671 | 4958 | 5357 | 6225 |
Better Fuel Economy Factory Ratios Increased Power
