Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/85-18 | 295/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.37 (720.7) | 30.94 (785.8) | 2.56 (65.1) 9% |
| Width inches (mm) | 6.1 (155) | 11.61 (295) | 5.51 (140) 90.3% |
| Circum. inches (mm) | 89.14 (2264.15) | 97.19 (2468.66) | 8.05 (204.52) 9% |
| Sidewall Height inches (mm) | 5.19 (131.75) | 6.97 (177) | 1.78 (45.25) 34.3% |
| Revolutions per mile (km) | 710.8 (441.67) | 651.91 (405.08) | -58.89 (-36.59) -8.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.81 mph (35.09 km/h) |
| 25 mph (40.23 km/h) | 27.26 mph (43.87 km/h) |
| 30 mph (48.28 km/h) | 32.71 mph (52.64 km/h) |
| 35 mph (56.33 km/h) | 38.16 mph (61.42 km/h) |
| 40 mph (64.37 km/h) | 43.61 mph (70.19 km/h) |
| 45 mph (72.42 km/h) | 49.06 mph (78.96 km/h) |
| 50 mph (80.47 km/h) | 54.52 mph (87.74 km/h) |
| 55 mph (88.51 km/h) | 59.97 mph (96.51 km/h) |
| 60 mph (96.56 km/h) | 65.42 mph (105.28 km/h) |
| 65 mph (104.61 km/h) | 70.87 mph (114.06 km/h) |
| 70 mph (112.65 km/h) | 76.32 mph (122.83 km/h) |
| 75 mph (120.7 km/h) | 81.77 mph (131.6 km/h) |
| 80 mph (128.75 km/h) | 87.23 mph (140.38 km/h) |
| 85 mph (136.79 km/h) | 92.68 mph (149.15 km/h) |
| 90 mph (144.84 km/h) | 98.13 mph (157.92 km/h) |
| 95 mph (152.89 km/h) | 103.58 mph (166.7 km/h) |
| 100 mph (160.93 km/h) | 109.03 mph (175.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1659 | 1927 | 2075 | 2167 | 2266 | 2337 | 2414 | 2506 | 2633 | 2760 | 2901 | 3014 | 3219 | 3445 | 3622 | 3734 | 3798 | 4031 | 4356 | 5062 |
Better Fuel Economy Factory Ratios Increased Power
