Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-15 | 235/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.87 (581) | 29.03 (737.3) | 6.15 (156.3) 26.9% |
| Width inches (mm) | 4.92 (125) | 9.25 (235) | 4.33 (110) 88% |
| Circum. inches (mm) | 71.86 (1825.27) | 91.19 (2316.3) | 19.33 (491.03) 26.9% |
| Sidewall Height inches (mm) | 3.94 (100) | 6.01 (152.75) | 2.08 (52.75) 52.8% |
| Revolutions per mile (km) | 881.7 (547.86) | 694.79 (431.72) | -186.91 (-116.14) -21.2% |
235/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.38 mph (40.85 km/h) |
| 25 mph (40.23 km/h) | 31.73 mph (51.06 km/h) |
| 30 mph (48.28 km/h) | 38.07 mph (61.27 km/h) |
| 35 mph (56.33 km/h) | 44.42 mph (71.48 km/h) |
| 40 mph (64.37 km/h) | 50.76 mph (81.69 km/h) |
| 45 mph (72.42 km/h) | 57.11 mph (91.9 km/h) |
| 50 mph (80.47 km/h) | 63.45 mph (102.11 km/h) |
| 55 mph (88.51 km/h) | 69.8 mph (112.33 km/h) |
| 60 mph (96.56 km/h) | 76.14 mph (122.54 km/h) |
| 65 mph (104.61 km/h) | 82.49 mph (132.75 km/h) |
| 70 mph (112.65 km/h) | 88.83 mph (142.96 km/h) |
| 75 mph (120.7 km/h) | 95.18 mph (153.17 km/h) |
| 80 mph (128.75 km/h) | 101.52 mph (163.38 km/h) |
| 85 mph (136.79 km/h) | 107.87 mph (173.59 km/h) |
| 90 mph (144.84 km/h) | 114.21 mph (183.81 km/h) |
| 95 mph (152.89 km/h) | 120.56 mph (194.02 km/h) |
| 100 mph (160.93 km/h) | 126.9 mph (204.23 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
