Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-18 | 375/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.91 (658.2) | 28.33 (719.7) | 2.42 (61.5) 9.3% |
| Width inches (mm) | 13.19 (335) | 14.76 (375) | 1.57 (40) 11.9% |
| Circum. inches (mm) | 81.41 (2067.8) | 89.02 (2261) | 7.61 (193.21) 9.3% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 5.17 (131.25) | 1.21 (30.75) 30.6% |
| Revolutions per mile (km) | 778.29 (483.61) | 711.78 (442.28) | -66.51 (-41.33) -8.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.87 mph (35.19 km/h) |
| 25 mph (40.23 km/h) | 27.34 mph (43.99 km/h) |
| 30 mph (48.28 km/h) | 32.8 mph (52.79 km/h) |
| 35 mph (56.33 km/h) | 38.27 mph (61.59 km/h) |
| 40 mph (64.37 km/h) | 43.74 mph (70.39 km/h) |
| 45 mph (72.42 km/h) | 49.2 mph (79.19 km/h) |
| 50 mph (80.47 km/h) | 54.67 mph (87.99 km/h) |
| 55 mph (88.51 km/h) | 60.14 mph (96.78 km/h) |
| 60 mph (96.56 km/h) | 65.61 mph (105.58 km/h) |
| 65 mph (104.61 km/h) | 71.07 mph (114.38 km/h) |
| 70 mph (112.65 km/h) | 76.54 mph (123.18 km/h) |
| 75 mph (120.7 km/h) | 82.01 mph (131.98 km/h) |
| 80 mph (128.75 km/h) | 87.47 mph (140.78 km/h) |
| 85 mph (136.79 km/h) | 92.94 mph (149.58 km/h) |
| 90 mph (144.84 km/h) | 98.41 mph (158.37 km/h) |
| 95 mph (152.89 km/h) | 103.88 mph (167.17 km/h) |
| 100 mph (160.93 km/h) | 109.34 mph (175.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1811 | 2104 | 2266 | 2366 | 2474 | 2551 | 2636 | 2736 | 2875 | 3014 | 3168 | 3291 | 3515 | 3761 | 3954 | 4077 | 4147 | 4401 | 4756 | 5527 |
Better Fuel Economy Factory Ratios Increased Power
