Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-18 | 345/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.91 (658.2) | 27.51 (698.7) | 1.59 (40.5) 6.2% |
| Width inches (mm) | 13.19 (335) | 13.58 (345) | 0.39 (10) 3% |
| Circum. inches (mm) | 81.41 (2067.8) | 86.42 (2195.03) | 5.01 (127.23) 6.2% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 4.75 (120.75) | 0.8 (20.25) 20.1% |
| Revolutions per mile (km) | 778.29 (483.61) | 733.18 (455.57) | -45.11 (-28.03) -5.8% |
345/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.23 mph (34.17 km/h) |
| 25 mph (40.23 km/h) | 26.54 mph (42.71 km/h) |
| 30 mph (48.28 km/h) | 31.85 mph (51.25 km/h) |
| 35 mph (56.33 km/h) | 37.15 mph (59.79 km/h) |
| 40 mph (64.37 km/h) | 42.46 mph (68.33 km/h) |
| 45 mph (72.42 km/h) | 47.77 mph (76.88 km/h) |
| 50 mph (80.47 km/h) | 53.08 mph (85.42 km/h) |
| 55 mph (88.51 km/h) | 58.38 mph (93.96 km/h) |
| 60 mph (96.56 km/h) | 63.69 mph (102.5 km/h) |
| 65 mph (104.61 km/h) | 69 mph (111.04 km/h) |
| 70 mph (112.65 km/h) | 74.31 mph (119.59 km/h) |
| 75 mph (120.7 km/h) | 79.61 mph (128.13 km/h) |
| 80 mph (128.75 km/h) | 84.92 mph (136.67 km/h) |
| 85 mph (136.79 km/h) | 90.23 mph (145.21 km/h) |
| 90 mph (144.84 km/h) | 95.54 mph (153.75 km/h) |
| 95 mph (152.89 km/h) | 100.85 mph (162.3 km/h) |
| 100 mph (160.93 km/h) | 106.15 mph (170.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1866 | 2167 | 2334 | 2437 | 2549 | 2628 | 2715 | 2819 | 2961 | 3104 | 3263 | 3390 | 3620 | 3874 | 4073 | 4200 | 4271 | 4533 | 4899 | 5693 |
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