Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/50-14 | 165/90-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.89 (530.6) | 25.69 (652.6) | 4.8 (122) 23% |
| Width inches (mm) | 6.89 (175) | 6.5 (165) | -0.39 (-10) -5.7% |
| Circum. inches (mm) | 65.63 (1666.93) | 80.72 (2050.2) | 15.09 (383.27) 23% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 5.85 (148.5) | 2.4 (61) 69.7% |
| Revolutions per mile (km) | 965.45 (599.9) | 784.97 (487.76) | -180.49 (-112.15) -18.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.6 mph (39.59 km/h) |
| 25 mph (40.23 km/h) | 30.75 mph (49.48 km/h) |
| 30 mph (48.28 km/h) | 36.9 mph (59.38 km/h) |
| 35 mph (56.33 km/h) | 43.05 mph (69.28 km/h) |
| 40 mph (64.37 km/h) | 49.2 mph (79.18 km/h) |
| 45 mph (72.42 km/h) | 55.35 mph (89.07 km/h) |
| 50 mph (80.47 km/h) | 61.5 mph (98.97 km/h) |
| 55 mph (88.51 km/h) | 67.65 mph (108.87 km/h) |
| 60 mph (96.56 km/h) | 73.8 mph (118.76 km/h) |
| 65 mph (104.61 km/h) | 79.95 mph (128.66 km/h) |
| 70 mph (112.65 km/h) | 86.09 mph (138.56 km/h) |
| 75 mph (120.7 km/h) | 92.24 mph (148.45 km/h) |
| 80 mph (128.75 km/h) | 98.39 mph (158.35 km/h) |
| 85 mph (136.79 km/h) | 104.54 mph (168.25 km/h) |
| 90 mph (144.84 km/h) | 110.69 mph (178.14 km/h) |
| 95 mph (152.89 km/h) | 116.84 mph (188.04 km/h) |
| 100 mph (160.93 km/h) | 122.99 mph (197.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 2321 | 2499 | 2610 | 2729 | 2814 | 2907 | 3018 | 3171 | 3324 | 3494 | 3630 | 3876 | 4148 | 4361 | 4497 | 4573 | 4854 | 5245 | 6095 |
Better Fuel Economy Factory Ratios Increased Power
