Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-17 | 155/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.76 (679.8) | 27.98 (710.8) | 1.22 (31) 4.6% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 84.08 (2135.65) | 87.92 (2233.04) | 3.83 (97.39) 4.6% |
| Sidewall Height inches (mm) | 4.88 (124) | 5.49 (139.5) | 0.61 (15.5) 12.5% |
| Revolutions per mile (km) | 753.56 (468.24) | 720.7 (447.82) | -32.86 (-20.42) -4.4% |
155/90-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.91 mph (33.65 km/h) |
| 25 mph (40.23 km/h) | 26.14 mph (42.07 km/h) |
| 30 mph (48.28 km/h) | 31.37 mph (50.48 km/h) |
| 35 mph (56.33 km/h) | 36.6 mph (58.9 km/h) |
| 40 mph (64.37 km/h) | 41.82 mph (67.31 km/h) |
| 45 mph (72.42 km/h) | 47.05 mph (75.72 km/h) |
| 50 mph (80.47 km/h) | 52.28 mph (84.14 km/h) |
| 55 mph (88.51 km/h) | 57.51 mph (92.55 km/h) |
| 60 mph (96.56 km/h) | 62.74 mph (100.96 km/h) |
| 65 mph (104.61 km/h) | 67.96 mph (109.38 km/h) |
| 70 mph (112.65 km/h) | 73.19 mph (117.79 km/h) |
| 75 mph (120.7 km/h) | 78.42 mph (126.21 km/h) |
| 80 mph (128.75 km/h) | 83.65 mph (134.62 km/h) |
| 85 mph (136.79 km/h) | 88.88 mph (143.03 km/h) |
| 90 mph (144.84 km/h) | 94.1 mph (151.45 km/h) |
| 95 mph (152.89 km/h) | 99.33 mph (159.86 km/h) |
| 100 mph (160.93 km/h) | 104.56 mph (168.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2131 | 2294 | 2396 | 2505 | 2583 | 2669 | 2771 | 2911 | 3052 | 3208 | 3332 | 3559 | 3809 | 4004 | 4129 | 4199 | 4456 | 4815 | 5596 |
Better Fuel Economy Factory Ratios Increased Power
