Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-16 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.38 (720.9) | 27.28 (693) | -1.1 (-27.9) -3.9% |
| Width inches (mm) | 7.28 (185) | 7.68 (195) | 0.39 (10) 5.4% |
| Circum. inches (mm) | 89.16 (2264.77) | 85.71 (2177.12) | -3.45 (-87.65) -3.9% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 6.14 (156) | -0.05 (-1.25) -0.8% |
| Revolutions per mile (km) | 710.6 (441.54) | 739.21 (459.32) | 28.61 (17.78) 4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.23 mph (30.94 km/h) |
| 25 mph (40.23 km/h) | 24.03 mph (38.68 km/h) |
| 30 mph (48.28 km/h) | 28.84 mph (46.41 km/h) |
| 35 mph (56.33 km/h) | 33.65 mph (54.15 km/h) |
| 40 mph (64.37 km/h) | 38.45 mph (61.88 km/h) |
| 45 mph (72.42 km/h) | 43.26 mph (69.62 km/h) |
| 50 mph (80.47 km/h) | 48.06 mph (77.35 km/h) |
| 55 mph (88.51 km/h) | 52.87 mph (85.09 km/h) |
| 60 mph (96.56 km/h) | 57.68 mph (92.82 km/h) |
| 65 mph (104.61 km/h) | 62.48 mph (100.56 km/h) |
| 70 mph (112.65 km/h) | 67.29 mph (108.29 km/h) |
| 75 mph (120.7 km/h) | 72.1 mph (116.03 km/h) |
| 80 mph (128.75 km/h) | 76.9 mph (123.77 km/h) |
| 85 mph (136.79 km/h) | 81.71 mph (131.5 km/h) |
| 90 mph (144.84 km/h) | 86.52 mph (139.24 km/h) |
| 95 mph (152.89 km/h) | 91.32 mph (146.97 km/h) |
| 100 mph (160.93 km/h) | 96.13 mph (154.71 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
