Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/80-13 | 165/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.02 (610.2) | 23.39 (594.2) | -0.63 (-16) -2.6% |
| Width inches (mm) | 6.89 (175) | 6.5 (165) | -0.39 (-10) -5.7% |
| Circum. inches (mm) | 75.47 (1917) | 73.49 (1866.73) | -1.98 (-50.27) -2.6% |
| Sidewall Height inches (mm) | 5.51 (140) | 5.2 (132) | -0.31 (-8) -5.7% |
| Revolutions per mile (km) | 839.51 (521.65) | 862.12 (535.69) | 22.61 (14.05) 2.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.48 mph (31.34 km/h) |
| 25 mph (40.23 km/h) | 24.34 mph (39.18 km/h) |
| 30 mph (48.28 km/h) | 29.21 mph (47.01 km/h) |
| 35 mph (56.33 km/h) | 34.08 mph (54.85 km/h) |
| 40 mph (64.37 km/h) | 38.95 mph (62.69 km/h) |
| 45 mph (72.42 km/h) | 43.82 mph (70.52 km/h) |
| 50 mph (80.47 km/h) | 48.69 mph (78.36 km/h) |
| 55 mph (88.51 km/h) | 53.56 mph (86.19 km/h) |
| 60 mph (96.56 km/h) | 58.43 mph (94.03 km/h) |
| 65 mph (104.61 km/h) | 63.3 mph (101.86 km/h) |
| 70 mph (112.65 km/h) | 68.16 mph (109.7 km/h) |
| 75 mph (120.7 km/h) | 73.03 mph (117.54 km/h) |
| 80 mph (128.75 km/h) | 77.9 mph (125.37 km/h) |
| 85 mph (136.79 km/h) | 82.77 mph (133.21 km/h) |
| 90 mph (144.84 km/h) | 87.64 mph (141.04 km/h) |
| 95 mph (152.89 km/h) | 92.51 mph (148.88 km/h) |
| 100 mph (160.93 km/h) | 97.38 mph (156.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2194 | 2549 | 2745 | 2866 | 2997 | 3090 | 3193 | 3314 | 3482 | 3650 | 3837 | 3986 | 4257 | 4556 | 4789 | 4939 | 5023 | 5331 | 5760 | 6694 |
Better Fuel Economy Factory Ratios Increased Power
