Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 165/50-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 19.5 (495.2) | -0.94 (-24) -4.6% |
| Width inches (mm) | 5.31 (135) | 6.5 (165) | 1.18 (30) 22.2% |
| Circum. inches (mm) | 64.22 (1631.11) | 61.25 (1555.72) | -2.97 (-75.4) -4.6% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.25 (82.5) | -0.47 (-12) -12.7% |
| Revolutions per mile (km) | 986.65 (613.08) | 1034.47 (642.79) | 47.82 (29.71) 4.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.08 mph (30.7 km/h) |
| 25 mph (40.23 km/h) | 23.84 mph (38.37 km/h) |
| 30 mph (48.28 km/h) | 28.61 mph (46.05 km/h) |
| 35 mph (56.33 km/h) | 33.38 mph (53.72 km/h) |
| 40 mph (64.37 km/h) | 38.15 mph (61.4 km/h) |
| 45 mph (72.42 km/h) | 42.92 mph (69.07 km/h) |
| 50 mph (80.47 km/h) | 47.69 mph (76.75 km/h) |
| 55 mph (88.51 km/h) | 52.46 mph (84.42 km/h) |
| 60 mph (96.56 km/h) | 57.23 mph (92.1 km/h) |
| 65 mph (104.61 km/h) | 62 mph (99.77 km/h) |
| 70 mph (112.65 km/h) | 66.76 mph (107.45 km/h) |
| 75 mph (120.7 km/h) | 71.53 mph (115.12 km/h) |
| 80 mph (128.75 km/h) | 76.3 mph (122.8 km/h) |
| 85 mph (136.79 km/h) | 81.07 mph (130.47 km/h) |
| 90 mph (144.84 km/h) | 85.84 mph (138.15 km/h) |
| 95 mph (152.89 km/h) | 90.61 mph (145.82 km/h) |
| 100 mph (160.93 km/h) | 95.38 mph (153.5 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
