Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-15 | 155/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.5 (597) | 24.76 (629) | 1.26 (32) 5.4% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 73.84 (1875.53) | 77.8 (1976.06) | 3.96 (100.53) 5.4% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.88 (124) | 0.63 (16) 14.8% |
| Revolutions per mile (km) | 858.07 (533.18) | 814.42 (506.06) | -43.65 (-27.13) -5.1% |
155/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.07 mph (33.91 km/h) |
| 25 mph (40.23 km/h) | 26.34 mph (42.39 km/h) |
| 30 mph (48.28 km/h) | 31.61 mph (50.87 km/h) |
| 35 mph (56.33 km/h) | 36.88 mph (59.35 km/h) |
| 40 mph (64.37 km/h) | 42.14 mph (67.82 km/h) |
| 45 mph (72.42 km/h) | 47.41 mph (76.3 km/h) |
| 50 mph (80.47 km/h) | 52.68 mph (84.78 km/h) |
| 55 mph (88.51 km/h) | 57.95 mph (93.26 km/h) |
| 60 mph (96.56 km/h) | 63.22 mph (101.74 km/h) |
| 65 mph (104.61 km/h) | 68.48 mph (110.21 km/h) |
| 70 mph (112.65 km/h) | 73.75 mph (118.69 km/h) |
| 75 mph (120.7 km/h) | 79.02 mph (127.17 km/h) |
| 80 mph (128.75 km/h) | 84.29 mph (135.65 km/h) |
| 85 mph (136.79 km/h) | 89.56 mph (144.13 km/h) |
| 90 mph (144.84 km/h) | 94.82 mph (152.6 km/h) |
| 95 mph (152.89 km/h) | 100.09 mph (161.08 km/h) |
| 100 mph (160.93 km/h) | 105.36 mph (169.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
