Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-19 | 375/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.51 (724.1) | 30.81 (782.6) | 2.3 (58.5) 8.1% |
| Width inches (mm) | 13.58 (345) | 14.76 (375) | 1.18 (30) 8.7% |
| Circum. inches (mm) | 89.56 (2274.83) | 96.8 (2458.61) | 7.24 (183.78) 8.1% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 5.91 (150) | 1.15 (29.25) 24.2% |
| Revolutions per mile (km) | 707.46 (439.59) | 654.57 (406.73) | -52.88 (-32.86) -7.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.62 mph (34.79 km/h) |
| 25 mph (40.23 km/h) | 27.02 mph (43.48 km/h) |
| 30 mph (48.28 km/h) | 32.42 mph (52.18 km/h) |
| 35 mph (56.33 km/h) | 37.83 mph (60.88 km/h) |
| 40 mph (64.37 km/h) | 43.23 mph (69.57 km/h) |
| 45 mph (72.42 km/h) | 48.64 mph (78.27 km/h) |
| 50 mph (80.47 km/h) | 54.04 mph (86.97 km/h) |
| 55 mph (88.51 km/h) | 59.44 mph (95.67 km/h) |
| 60 mph (96.56 km/h) | 64.85 mph (104.36 km/h) |
| 65 mph (104.61 km/h) | 70.25 mph (113.06 km/h) |
| 70 mph (112.65 km/h) | 75.66 mph (121.76 km/h) |
| 75 mph (120.7 km/h) | 81.06 mph (130.45 km/h) |
| 80 mph (128.75 km/h) | 86.46 mph (139.15 km/h) |
| 85 mph (136.79 km/h) | 91.87 mph (147.85 km/h) |
| 90 mph (144.84 km/h) | 97.27 mph (156.54 km/h) |
| 95 mph (152.89 km/h) | 102.68 mph (165.24 km/h) |
| 100 mph (160.93 km/h) | 108.08 mph (173.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1666 | 1935 | 2084 | 2176 | 2275 | 2346 | 2424 | 2516 | 2644 | 2772 | 2913 | 3027 | 3232 | 3459 | 3636 | 3750 | 3814 | 4047 | 4374 | 5082 |
Better Fuel Economy Factory Ratios Increased Power
