Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/65-13 | 235/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.96 (557.7) | 29.03 (737.3) | 7.07 (179.6) 32.2% |
| Width inches (mm) | 6.89 (175) | 9.25 (235) | 2.36 (60) 34.3% |
| Circum. inches (mm) | 68.98 (1752.07) | 91.19 (2316.3) | 22.21 (564.23) 32.2% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 6.01 (152.75) | 1.54 (39) 34.3% |
| Revolutions per mile (km) | 918.54 (570.75) | 694.79 (431.72) | -223.75 (-139.03) -24.4% |
235/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.44 mph (42.55 km/h) |
| 25 mph (40.23 km/h) | 33.05 mph (53.19 km/h) |
| 30 mph (48.28 km/h) | 39.66 mph (63.83 km/h) |
| 35 mph (56.33 km/h) | 46.27 mph (74.47 km/h) |
| 40 mph (64.37 km/h) | 52.88 mph (85.1 km/h) |
| 45 mph (72.42 km/h) | 59.49 mph (95.74 km/h) |
| 50 mph (80.47 km/h) | 66.1 mph (106.38 km/h) |
| 55 mph (88.51 km/h) | 72.71 mph (117.02 km/h) |
| 60 mph (96.56 km/h) | 79.32 mph (127.66 km/h) |
| 65 mph (104.61 km/h) | 85.93 mph (138.3 km/h) |
| 70 mph (112.65 km/h) | 92.54 mph (148.93 km/h) |
| 75 mph (120.7 km/h) | 99.15 mph (159.57 km/h) |
| 80 mph (128.75 km/h) | 105.76 mph (170.21 km/h) |
| 85 mph (136.79 km/h) | 112.37 mph (180.85 km/h) |
| 90 mph (144.84 km/h) | 118.98 mph (191.49 km/h) |
| 95 mph (152.89 km/h) | 125.59 mph (202.12 km/h) |
| 100 mph (160.93 km/h) | 132.2 mph (212.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1768 | 2054 | 2212 | 2310 | 2415 | 2490 | 2573 | 2671 | 2806 | 2942 | 3092 | 3213 | 3431 | 3672 | 3860 | 3980 | 4048 | 4296 | 4642 | 5395 |
Better Fuel Economy Factory Ratios Increased Power
