Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/35-18 | 215/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.65 (600.7) | 23.08 (586.2) | -0.57 (-14.5) -2.4% |
| Width inches (mm) | 8.07 (205) | 8.46 (215) | 0.39 (10) 4.9% |
| Circum. inches (mm) | 74.3 (1887.15) | 72.5 (1841.6) | -1.79 (-45.55) -2.4% |
| Sidewall Height inches (mm) | 2.82 (71.75) | 2.54 (64.5) | -0.29 (-7.25) -10.1% |
| Revolutions per mile (km) | 852.79 (529.9) | 873.88 (543) | 21.09 (13.11) 2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.52 mph (31.41 km/h) |
| 25 mph (40.23 km/h) | 24.4 mph (39.26 km/h) |
| 30 mph (48.28 km/h) | 29.28 mph (47.11 km/h) |
| 35 mph (56.33 km/h) | 34.16 mph (54.97 km/h) |
| 40 mph (64.37 km/h) | 39.03 mph (62.82 km/h) |
| 45 mph (72.42 km/h) | 43.91 mph (70.67 km/h) |
| 50 mph (80.47 km/h) | 48.79 mph (78.52 km/h) |
| 55 mph (88.51 km/h) | 53.67 mph (86.38 km/h) |
| 60 mph (96.56 km/h) | 58.55 mph (94.23 km/h) |
| 65 mph (104.61 km/h) | 63.43 mph (102.08 km/h) |
| 70 mph (112.65 km/h) | 68.31 mph (109.93 km/h) |
| 75 mph (120.7 km/h) | 73.19 mph (117.79 km/h) |
| 80 mph (128.75 km/h) | 78.07 mph (125.64 km/h) |
| 85 mph (136.79 km/h) | 82.95 mph (133.49 km/h) |
| 90 mph (144.84 km/h) | 87.83 mph (141.34 km/h) |
| 95 mph (152.89 km/h) | 92.71 mph (149.2 km/h) |
| 100 mph (160.93 km/h) | 97.59 mph (157.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2224 | 2583 | 2782 | 2905 | 3038 | 3132 | 3236 | 3359 | 3530 | 3700 | 3889 | 4041 | 4315 | 4618 | 4855 | 5006 | 5091 | 5404 | 5839 | 6785 |
Better Fuel Economy Factory Ratios Increased Power
