Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/82-15 | 155/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.01 (635.2) | 24.76 (629) | -0.24 (-6.2) -1% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 78.56 (1995.54) | 77.8 (1976.06) | -0.77 (-19.48) -1% |
| Sidewall Height inches (mm) | 5 (127.1) | 4.88 (124) | -0.12 (-3.1) -2.4% |
| Revolutions per mile (km) | 806.47 (501.12) | 814.42 (506.06) | 7.95 (4.94) 1% |
155/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.8 mph (31.87 km/h) |
| 25 mph (40.23 km/h) | 24.76 mph (39.84 km/h) |
| 30 mph (48.28 km/h) | 29.71 mph (47.81 km/h) |
| 35 mph (56.33 km/h) | 34.66 mph (55.78 km/h) |
| 40 mph (64.37 km/h) | 39.61 mph (63.75 km/h) |
| 45 mph (72.42 km/h) | 44.56 mph (71.71 km/h) |
| 50 mph (80.47 km/h) | 49.51 mph (79.68 km/h) |
| 55 mph (88.51 km/h) | 54.46 mph (87.65 km/h) |
| 60 mph (96.56 km/h) | 59.41 mph (95.62 km/h) |
| 65 mph (104.61 km/h) | 64.37 mph (103.59 km/h) |
| 70 mph (112.65 km/h) | 69.32 mph (111.55 km/h) |
| 75 mph (120.7 km/h) | 74.27 mph (119.52 km/h) |
| 80 mph (128.75 km/h) | 79.22 mph (127.49 km/h) |
| 85 mph (136.79 km/h) | 84.17 mph (135.46 km/h) |
| 90 mph (144.84 km/h) | 89.12 mph (143.43 km/h) |
| 95 mph (152.89 km/h) | 94.07 mph (151.4 km/h) |
| 100 mph (160.93 km/h) | 99.02 mph (159.36 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
