Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-18 | 395/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.44 (646.2) | 36.22 (919.9) | 10.78 (273.7) 42.4% |
| Width inches (mm) | 5.31 (135) | 15.55 (395) | 10.24 (260) 192.6% |
| Circum. inches (mm) | 79.93 (2030.1) | 113.78 (2889.95) | 33.85 (859.85) 42.4% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 10.11 (256.75) | 6.39 (162.25) 171.7% |
| Revolutions per mile (km) | 792.74 (492.59) | 556.88 (346.03) | -235.87 (-146.56) -29.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.47 mph (45.82 km/h) |
| 25 mph (40.23 km/h) | 35.59 mph (57.27 km/h) |
| 30 mph (48.28 km/h) | 42.71 mph (68.73 km/h) |
| 35 mph (56.33 km/h) | 49.82 mph (80.18 km/h) |
| 40 mph (64.37 km/h) | 56.94 mph (91.64 km/h) |
| 45 mph (72.42 km/h) | 64.06 mph (103.09 km/h) |
| 50 mph (80.47 km/h) | 71.18 mph (114.55 km/h) |
| 55 mph (88.51 km/h) | 78.3 mph (126 km/h) |
| 60 mph (96.56 km/h) | 85.41 mph (137.46 km/h) |
| 65 mph (104.61 km/h) | 92.53 mph (148.91 km/h) |
| 70 mph (112.65 km/h) | 99.65 mph (160.37 km/h) |
| 75 mph (120.7 km/h) | 106.77 mph (171.82 km/h) |
| 80 mph (128.75 km/h) | 113.88 mph (183.28 km/h) |
| 85 mph (136.79 km/h) | 121 mph (194.73 km/h) |
| 90 mph (144.84 km/h) | 128.12 mph (206.19 km/h) |
| 95 mph (152.89 km/h) | 135.24 mph (217.64 km/h) |
| 100 mph (160.93 km/h) | 142.36 mph (229.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1417 | 1646 | 1773 | 1851 | 1936 | 1996 | 2062 | 2141 | 2249 | 2358 | 2478 | 2575 | 2750 | 2943 | 3094 | 3190 | 3244 | 3443 | 3721 | 4324 |
Better Fuel Economy Factory Ratios Increased Power
