Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 165/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 21.5 (546) | -0.94 (-24) -4.2% |
| Width inches (mm) | 5.31 (135) | 6.5 (165) | 1.18 (30) 22.2% |
| Circum. inches (mm) | 70.5 (1790.71) | 67.53 (1715.31) | -2.97 (-75.4) -4.2% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.25 (82.5) | -0.47 (-12) -12.7% |
| Revolutions per mile (km) | 898.72 (558.44) | 938.22 (582.98) | 39.5 (24.55) 4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.16 mph (30.83 km/h) |
| 25 mph (40.23 km/h) | 23.95 mph (38.54 km/h) |
| 30 mph (48.28 km/h) | 28.74 mph (46.25 km/h) |
| 35 mph (56.33 km/h) | 33.53 mph (53.96 km/h) |
| 40 mph (64.37 km/h) | 38.32 mph (61.66 km/h) |
| 45 mph (72.42 km/h) | 43.11 mph (69.37 km/h) |
| 50 mph (80.47 km/h) | 47.89 mph (77.08 km/h) |
| 55 mph (88.51 km/h) | 52.68 mph (84.79 km/h) |
| 60 mph (96.56 km/h) | 57.47 mph (92.5 km/h) |
| 65 mph (104.61 km/h) | 62.26 mph (100.2 km/h) |
| 70 mph (112.65 km/h) | 67.05 mph (107.91 km/h) |
| 75 mph (120.7 km/h) | 71.84 mph (115.62 km/h) |
| 80 mph (128.75 km/h) | 76.63 mph (123.33 km/h) |
| 85 mph (136.79 km/h) | 81.42 mph (131.03 km/h) |
| 90 mph (144.84 km/h) | 86.21 mph (138.74 km/h) |
| 95 mph (152.89 km/h) | 91 mph (146.45 km/h) |
| 100 mph (160.93 km/h) | 95.79 mph (154.16 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
