Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-18 | 235/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.69 (754.2) | 28.1 (713.8) | -1.59 (-40.4) -5.4% |
| Width inches (mm) | 6.5 (165) | 9.25 (235) | 2.76 (70) 42.4% |
| Circum. inches (mm) | 93.28 (2369.39) | 88.29 (2242.47) | -5 (-126.92) -5.4% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 5.55 (141) | -0.3 (-7.5) -5.1% |
| Revolutions per mile (km) | 679.22 (422.05) | 717.67 (445.94) | 38.44 (23.89) 5.7% |
235/60-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.93 mph (30.46 km/h) |
| 25 mph (40.23 km/h) | 23.66 mph (38.08 km/h) |
| 30 mph (48.28 km/h) | 28.39 mph (45.69 km/h) |
| 35 mph (56.33 km/h) | 33.13 mph (53.31 km/h) |
| 40 mph (64.37 km/h) | 37.86 mph (60.93 km/h) |
| 45 mph (72.42 km/h) | 42.59 mph (68.54 km/h) |
| 50 mph (80.47 km/h) | 47.32 mph (76.16 km/h) |
| 55 mph (88.51 km/h) | 52.05 mph (83.77 km/h) |
| 60 mph (96.56 km/h) | 56.79 mph (91.39 km/h) |
| 65 mph (104.61 km/h) | 61.52 mph (99 km/h) |
| 70 mph (112.65 km/h) | 66.25 mph (106.62 km/h) |
| 75 mph (120.7 km/h) | 70.98 mph (114.24 km/h) |
| 80 mph (128.75 km/h) | 75.71 mph (121.85 km/h) |
| 85 mph (136.79 km/h) | 80.45 mph (129.47 km/h) |
| 90 mph (144.84 km/h) | 85.18 mph (137.08 km/h) |
| 95 mph (152.89 km/h) | 89.91 mph (144.7 km/h) |
| 100 mph (160.93 km/h) | 94.64 mph (152.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1826 | 2122 | 2285 | 2386 | 2495 | 2572 | 2658 | 2759 | 2899 | 3039 | 3194 | 3318 | 3544 | 3793 | 3987 | 4111 | 4181 | 4438 | 4795 | 5572 |
Better Fuel Economy Factory Ratios Increased Power
