Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/55-15 | 165/45-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.71 (551.5) | 20.85 (529.5) | -0.87 (-22) -4% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 68.21 (1732.59) | 65.49 (1663.47) | -2.72 (-69.12) -4% |
| Sidewall Height inches (mm) | 3.36 (85.25) | 2.92 (74.25) | -0.43 (-11) -12.9% |
| Revolutions per mile (km) | 928.87 (577.17) | 967.46 (601.15) | 38.59 (23.98) 4.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.2 mph (30.9 km/h) |
| 25 mph (40.23 km/h) | 24 mph (38.63 km/h) |
| 30 mph (48.28 km/h) | 28.8 mph (46.35 km/h) |
| 35 mph (56.33 km/h) | 33.6 mph (54.08 km/h) |
| 40 mph (64.37 km/h) | 38.4 mph (61.81 km/h) |
| 45 mph (72.42 km/h) | 43.2 mph (69.53 km/h) |
| 50 mph (80.47 km/h) | 48.01 mph (77.26 km/h) |
| 55 mph (88.51 km/h) | 52.81 mph (84.98 km/h) |
| 60 mph (96.56 km/h) | 57.61 mph (92.71 km/h) |
| 65 mph (104.61 km/h) | 62.41 mph (100.43 km/h) |
| 70 mph (112.65 km/h) | 67.21 mph (108.16 km/h) |
| 75 mph (120.7 km/h) | 72.01 mph (115.89 km/h) |
| 80 mph (128.75 km/h) | 76.81 mph (123.61 km/h) |
| 85 mph (136.79 km/h) | 81.61 mph (131.34 km/h) |
| 90 mph (144.84 km/h) | 86.41 mph (139.06 km/h) |
| 95 mph (152.89 km/h) | 91.21 mph (146.79 km/h) |
| 100 mph (160.93 km/h) | 96.01 mph (154.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
