Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-18 | 235/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.77 (629.2) | 24.48 (621.7) | -0.3 (-7.5) -1.2% |
| Width inches (mm) | 8.46 (215) | 9.25 (235) | 0.79 (20) 9.3% |
| Circum. inches (mm) | 77.82 (1976.69) | 76.89 (1953.13) | -0.93 (-23.56) -1.2% |
| Sidewall Height inches (mm) | 3.39 (86) | 3.24 (82.25) | -0.15 (-3.75) -4.4% |
| Revolutions per mile (km) | 814.16 (505.9) | 823.98 (512) | 9.82 (6.1) 1.2% |
235/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.76 mph (31.8 km/h) |
| 25 mph (40.23 km/h) | 24.7 mph (39.75 km/h) |
| 30 mph (48.28 km/h) | 29.64 mph (47.7 km/h) |
| 35 mph (56.33 km/h) | 34.58 mph (55.66 km/h) |
| 40 mph (64.37 km/h) | 39.52 mph (63.61 km/h) |
| 45 mph (72.42 km/h) | 44.46 mph (71.56 km/h) |
| 50 mph (80.47 km/h) | 49.4 mph (79.51 km/h) |
| 55 mph (88.51 km/h) | 54.34 mph (87.46 km/h) |
| 60 mph (96.56 km/h) | 59.28 mph (95.41 km/h) |
| 65 mph (104.61 km/h) | 64.23 mph (103.36 km/h) |
| 70 mph (112.65 km/h) | 69.17 mph (111.31 km/h) |
| 75 mph (120.7 km/h) | 74.11 mph (119.26 km/h) |
| 80 mph (128.75 km/h) | 79.05 mph (127.21 km/h) |
| 85 mph (136.79 km/h) | 83.99 mph (135.16 km/h) |
| 90 mph (144.84 km/h) | 88.93 mph (143.11 km/h) |
| 95 mph (152.89 km/h) | 93.87 mph (151.07 km/h) |
| 100 mph (160.93 km/h) | 98.81 mph (159.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2097 | 2436 | 2623 | 2739 | 2864 | 2953 | 3052 | 3168 | 3328 | 3489 | 3667 | 3810 | 4069 | 4354 | 4577 | 4720 | 4801 | 5095 | 5505 | 6398 |
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