Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/82-13 | 175/90-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.01 (584.4) | 25.4 (645.2) | 2.39 (60.8) 10.4% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 72.28 (1835.95) | 79.8 (2026.96) | 7.52 (191.01) 10.4% |
| Sidewall Height inches (mm) | 5 (127.1) | 6.2 (157.5) | 1.2 (30.4) 23.9% |
| Revolutions per mile (km) | 876.57 (544.68) | 793.97 (493.35) | -82.6 (-51.33) -9.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.08 mph (35.54 km/h) |
| 25 mph (40.23 km/h) | 27.6 mph (44.42 km/h) |
| 30 mph (48.28 km/h) | 33.12 mph (53.3 km/h) |
| 35 mph (56.33 km/h) | 38.64 mph (62.19 km/h) |
| 40 mph (64.37 km/h) | 44.16 mph (71.07 km/h) |
| 45 mph (72.42 km/h) | 49.68 mph (79.96 km/h) |
| 50 mph (80.47 km/h) | 55.2 mph (88.84 km/h) |
| 55 mph (88.51 km/h) | 60.72 mph (97.72 km/h) |
| 60 mph (96.56 km/h) | 66.24 mph (106.61 km/h) |
| 65 mph (104.61 km/h) | 71.76 mph (115.49 km/h) |
| 70 mph (112.65 km/h) | 77.28 mph (124.37 km/h) |
| 75 mph (120.7 km/h) | 82.8 mph (133.26 km/h) |
| 80 mph (128.75 km/h) | 88.32 mph (142.14 km/h) |
| 85 mph (136.79 km/h) | 93.84 mph (151.03 km/h) |
| 90 mph (144.84 km/h) | 99.36 mph (159.91 km/h) |
| 95 mph (152.89 km/h) | 104.88 mph (168.79 km/h) |
| 100 mph (160.93 km/h) | 110.4 mph (177.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 2347 | 2528 | 2640 | 2760 | 2846 | 2940 | 3052 | 3207 | 3362 | 3534 | 3671 | 3921 | 4196 | 4411 | 4548 | 4626 | 4909 | 5305 | 6165 |
Better Fuel Economy Factory Ratios Increased Power
