Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-17 | 205/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.54 (648.8) | 25.49 (647.5) | -0.05 (-1.3) -0.2% |
| Width inches (mm) | 6.1 (155) | 8.07 (205) | 1.97 (50) 32.3% |
| Circum. inches (mm) | 80.25 (2038.27) | 80.09 (2034.18) | -0.16 (-4.08) -0.2% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 5.25 (133.25) | 0.97 (24.75) 22.8% |
| Revolutions per mile (km) | 789.57 (490.61) | 791.15 (491.6) | 1.59 (0.99) 0.2% |
205/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.96 mph (32.12 km/h) |
| 25 mph (40.23 km/h) | 24.95 mph (40.15 km/h) |
| 30 mph (48.28 km/h) | 29.94 mph (48.18 km/h) |
| 35 mph (56.33 km/h) | 34.93 mph (56.21 km/h) |
| 40 mph (64.37 km/h) | 39.92 mph (64.24 km/h) |
| 45 mph (72.42 km/h) | 44.91 mph (72.28 km/h) |
| 50 mph (80.47 km/h) | 49.9 mph (80.31 km/h) |
| 55 mph (88.51 km/h) | 54.89 mph (88.34 km/h) |
| 60 mph (96.56 km/h) | 59.88 mph (96.37 km/h) |
| 65 mph (104.61 km/h) | 64.87 mph (104.4 km/h) |
| 70 mph (112.65 km/h) | 69.86 mph (112.43 km/h) |
| 75 mph (120.7 km/h) | 74.85 mph (120.46 km/h) |
| 80 mph (128.75 km/h) | 79.84 mph (128.49 km/h) |
| 85 mph (136.79 km/h) | 84.83 mph (136.52 km/h) |
| 90 mph (144.84 km/h) | 89.82 mph (144.55 km/h) |
| 95 mph (152.89 km/h) | 94.81 mph (152.58 km/h) |
| 100 mph (160.93 km/h) | 99.8 mph (160.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 2339 | 2519 | 2630 | 2750 | 2836 | 2930 | 3041 | 3196 | 3350 | 3521 | 3658 | 3907 | 4181 | 4395 | 4532 | 4609 | 4892 | 5286 | 6143 |
Better Fuel Economy Factory Ratios Increased Power
