Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-17 | 155/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.54 (648.8) | 24.93 (633.3) | -0.61 (-15.5) -2.4% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 80.25 (2038.27) | 78.33 (1989.57) | -1.92 (-48.69) -2.4% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 3.97 (100.75) | -0.31 (-7.75) -7.1% |
| Revolutions per mile (km) | 789.57 (490.61) | 808.89 (502.62) | 19.32 (12.01) 2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.52 mph (31.42 km/h) |
| 25 mph (40.23 km/h) | 24.4 mph (39.27 km/h) |
| 30 mph (48.28 km/h) | 29.28 mph (47.13 km/h) |
| 35 mph (56.33 km/h) | 34.16 mph (54.98 km/h) |
| 40 mph (64.37 km/h) | 39.04 mph (62.84 km/h) |
| 45 mph (72.42 km/h) | 43.92 mph (70.69 km/h) |
| 50 mph (80.47 km/h) | 48.81 mph (78.54 km/h) |
| 55 mph (88.51 km/h) | 53.69 mph (86.4 km/h) |
| 60 mph (96.56 km/h) | 58.57 mph (94.25 km/h) |
| 65 mph (104.61 km/h) | 63.45 mph (102.11 km/h) |
| 70 mph (112.65 km/h) | 68.33 mph (109.96 km/h) |
| 75 mph (120.7 km/h) | 73.21 mph (117.82 km/h) |
| 80 mph (128.75 km/h) | 78.09 mph (125.67 km/h) |
| 85 mph (136.79 km/h) | 82.97 mph (133.53 km/h) |
| 90 mph (144.84 km/h) | 87.85 mph (141.38 km/h) |
| 95 mph (152.89 km/h) | 92.73 mph (149.24 km/h) |
| 100 mph (160.93 km/h) | 97.61 mph (157.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2058 | 2391 | 2575 | 2689 | 2812 | 2899 | 2996 | 3110 | 3267 | 3425 | 3600 | 3740 | 3994 | 4275 | 4494 | 4634 | 4713 | 5002 | 5405 | 6281 |
Better Fuel Economy Factory Ratios Increased Power
