Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 155/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 24.76 (629) | -0.31 (-7.94) -1.2% |
| Width inches (mm) | 7.52 (191) | 6.1 (155) | -1.42 (-36) -18.8% |
| Circum. inches (mm) | 78.78 (2001.01) | 77.8 (1976.06) | -0.98 (-24.94) -1.2% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 4.88 (124) | -0.16 (-3.97) -3.1% |
| Revolutions per mile (km) | 804.27 (499.75) | 814.42 (506.06) | 10.15 (6.31) 1.3% |
155/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.75 mph (31.79 km/h) |
| 25 mph (40.23 km/h) | 24.69 mph (39.73 km/h) |
| 30 mph (48.28 km/h) | 29.63 mph (47.68 km/h) |
| 35 mph (56.33 km/h) | 34.56 mph (55.62 km/h) |
| 40 mph (64.37 km/h) | 39.5 mph (63.57 km/h) |
| 45 mph (72.42 km/h) | 44.44 mph (71.52 km/h) |
| 50 mph (80.47 km/h) | 49.38 mph (79.46 km/h) |
| 55 mph (88.51 km/h) | 54.31 mph (87.41 km/h) |
| 60 mph (96.56 km/h) | 59.25 mph (95.36 km/h) |
| 65 mph (104.61 km/h) | 64.19 mph (103.3 km/h) |
| 70 mph (112.65 km/h) | 69.13 mph (111.25 km/h) |
| 75 mph (120.7 km/h) | 74.07 mph (119.2 km/h) |
| 80 mph (128.75 km/h) | 79 mph (127.14 km/h) |
| 85 mph (136.79 km/h) | 83.94 mph (135.09 km/h) |
| 90 mph (144.84 km/h) | 88.88 mph (143.04 km/h) |
| 95 mph (152.89 km/h) | 93.82 mph (150.98 km/h) |
| 100 mph (160.93 km/h) | 98.75 mph (158.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2073 | 2408 | 2593 | 2708 | 2831 | 2919 | 3016 | 3131 | 3290 | 3448 | 3625 | 3766 | 4022 | 4304 | 4524 | 4665 | 4745 | 5036 | 5442 | 6323 |
Better Fuel Economy Factory Ratios Increased Power
