Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-15 | 165/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.5 (597) | 21.5 (546) | -2.01 (-51) -8.5% |
| Width inches (mm) | 5.31 (135) | 6.5 (165) | 1.18 (30) 22.2% |
| Circum. inches (mm) | 73.84 (1875.53) | 67.53 (1715.31) | -6.31 (-160.22) -8.5% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.25 (82.5) | -1 (-25.5) -23.6% |
| Revolutions per mile (km) | 858.07 (533.18) | 938.22 (582.98) | 80.15 (49.8) 9.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.29 mph (29.44 km/h) |
| 25 mph (40.23 km/h) | 22.86 mph (36.8 km/h) |
| 30 mph (48.28 km/h) | 27.44 mph (44.16 km/h) |
| 35 mph (56.33 km/h) | 32.01 mph (51.52 km/h) |
| 40 mph (64.37 km/h) | 36.58 mph (58.87 km/h) |
| 45 mph (72.42 km/h) | 41.16 mph (66.23 km/h) |
| 50 mph (80.47 km/h) | 45.73 mph (73.59 km/h) |
| 55 mph (88.51 km/h) | 50.3 mph (80.95 km/h) |
| 60 mph (96.56 km/h) | 54.87 mph (88.31 km/h) |
| 65 mph (104.61 km/h) | 59.45 mph (95.67 km/h) |
| 70 mph (112.65 km/h) | 64.02 mph (103.03 km/h) |
| 75 mph (120.7 km/h) | 68.59 mph (110.39 km/h) |
| 80 mph (128.75 km/h) | 73.17 mph (117.75 km/h) |
| 85 mph (136.79 km/h) | 77.74 mph (125.11 km/h) |
| 90 mph (144.84 km/h) | 82.31 mph (132.47 km/h) |
| 95 mph (152.89 km/h) | 86.88 mph (139.83 km/h) |
| 100 mph (160.93 km/h) | 91.46 mph (147.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
