Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/70-17 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.75 (704.8) | 27.28 (693) | -0.46 (-11.8) -1.7% |
| Width inches (mm) | 7.68 (195) | 7.68 (195) | 0 (0) 0% |
| Circum. inches (mm) | 87.17 (2214.19) | 85.71 (2177.12) | -1.46 (-37.07) -1.7% |
| Sidewall Height inches (mm) | 5.37 (136.5) | 6.14 (156) | 0.77 (19.5) 14.3% |
| Revolutions per mile (km) | 726.83 (451.63) | 739.21 (459.32) | 12.38 (7.69) 1.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.67 mph (31.65 km/h) |
| 25 mph (40.23 km/h) | 24.58 mph (39.56 km/h) |
| 30 mph (48.28 km/h) | 29.5 mph (47.47 km/h) |
| 35 mph (56.33 km/h) | 34.41 mph (55.38 km/h) |
| 40 mph (64.37 km/h) | 39.33 mph (63.3 km/h) |
| 45 mph (72.42 km/h) | 44.25 mph (71.21 km/h) |
| 50 mph (80.47 km/h) | 49.16 mph (79.12 km/h) |
| 55 mph (88.51 km/h) | 54.08 mph (87.03 km/h) |
| 60 mph (96.56 km/h) | 59 mph (94.94 km/h) |
| 65 mph (104.61 km/h) | 63.91 mph (102.86 km/h) |
| 70 mph (112.65 km/h) | 68.83 mph (110.77 km/h) |
| 75 mph (120.7 km/h) | 73.74 mph (118.68 km/h) |
| 80 mph (128.75 km/h) | 78.66 mph (126.59 km/h) |
| 85 mph (136.79 km/h) | 83.58 mph (134.5 km/h) |
| 90 mph (144.84 km/h) | 88.49 mph (142.42 km/h) |
| 95 mph (152.89 km/h) | 93.41 mph (150.33 km/h) |
| 100 mph (160.93 km/h) | 98.33 mph (158.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1881 | 2185 | 2353 | 2457 | 2570 | 2650 | 2738 | 2842 | 2986 | 3130 | 3290 | 3418 | 3650 | 3906 | 4106 | 4235 | 4307 | 4571 | 4939 | 5739 |
Better Fuel Economy Factory Ratios Increased Power
