Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/35-16 | 250/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.93 (556.9) | 26.86 (682.2) | 4.93 (125.3) 22.5% |
| Width inches (mm) | 8.46 (215) | 9.84 (250) | 1.38 (35) 16.3% |
| Circum. inches (mm) | 68.88 (1749.55) | 84.38 (2143.19) | 15.5 (393.64) 22.5% |
| Sidewall Height inches (mm) | 2.96 (75.25) | 4.43 (112.5) | 1.47 (37.25) 49.5% |
| Revolutions per mile (km) | 919.86 (571.57) | 750.91 (466.59) | -168.95 (-104.98) -18.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.5 mph (39.43 km/h) |
| 25 mph (40.23 km/h) | 30.62 mph (49.29 km/h) |
| 30 mph (48.28 km/h) | 36.75 mph (59.14 km/h) |
| 35 mph (56.33 km/h) | 42.87 mph (69 km/h) |
| 40 mph (64.37 km/h) | 49 mph (78.86 km/h) |
| 45 mph (72.42 km/h) | 55.12 mph (88.71 km/h) |
| 50 mph (80.47 km/h) | 61.25 mph (98.57 km/h) |
| 55 mph (88.51 km/h) | 67.37 mph (108.43 km/h) |
| 60 mph (96.56 km/h) | 73.5 mph (118.29 km/h) |
| 65 mph (104.61 km/h) | 79.62 mph (128.14 km/h) |
| 70 mph (112.65 km/h) | 85.75 mph (138 km/h) |
| 75 mph (120.7 km/h) | 91.87 mph (147.86 km/h) |
| 80 mph (128.75 km/h) | 98 mph (157.72 km/h) |
| 85 mph (136.79 km/h) | 104.12 mph (167.57 km/h) |
| 90 mph (144.84 km/h) | 110.25 mph (177.43 km/h) |
| 95 mph (152.89 km/h) | 116.37 mph (187.29 km/h) |
| 100 mph (160.93 km/h) | 122.5 mph (197.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2220 | 2391 | 2496 | 2610 | 2692 | 2781 | 2887 | 3033 | 3179 | 3342 | 3472 | 3708 | 3968 | 4171 | 4302 | 4375 | 4643 | 5017 | 5830 |
Better Fuel Economy Factory Ratios Increased Power
