Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 235/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 33.65 (854.8) | 4.96 (126) 17.3% |
| Width inches (mm) | 6.5 (165) | 9.25 (235) | 2.76 (70) 42.4% |
| Circum. inches (mm) | 90.14 (2289.59) | 105.73 (2685.43) | 15.58 (395.84) 17.3% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 8.33 (211.5) | 2.48 (63) 42.4% |
| Revolutions per mile (km) | 702.9 (436.76) | 599.29 (372.38) | -103.61 (-64.38) -14.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.46 mph (37.75 km/h) |
| 25 mph (40.23 km/h) | 29.32 mph (47.19 km/h) |
| 30 mph (48.28 km/h) | 35.19 mph (56.63 km/h) |
| 35 mph (56.33 km/h) | 41.05 mph (66.07 km/h) |
| 40 mph (64.37 km/h) | 46.92 mph (75.5 km/h) |
| 45 mph (72.42 km/h) | 52.78 mph (84.94 km/h) |
| 50 mph (80.47 km/h) | 58.64 mph (94.38 km/h) |
| 55 mph (88.51 km/h) | 64.51 mph (103.82 km/h) |
| 60 mph (96.56 km/h) | 70.37 mph (113.25 km/h) |
| 65 mph (104.61 km/h) | 76.24 mph (122.69 km/h) |
| 70 mph (112.65 km/h) | 82.1 mph (132.13 km/h) |
| 75 mph (120.7 km/h) | 87.97 mph (141.57 km/h) |
| 80 mph (128.75 km/h) | 93.83 mph (151.01 km/h) |
| 85 mph (136.79 km/h) | 99.7 mph (160.44 km/h) |
| 90 mph (144.84 km/h) | 105.56 mph (169.88 km/h) |
| 95 mph (152.89 km/h) | 111.42 mph (179.32 km/h) |
| 100 mph (160.93 km/h) | 117.29 mph (188.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1525 | 1772 | 1908 | 1992 | 2083 | 2148 | 2219 | 2304 | 2421 | 2537 | 2667 | 2771 | 2959 | 3167 | 3329 | 3433 | 3491 | 3706 | 4004 | 4653 |
Better Fuel Economy Factory Ratios Increased Power
