Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/85-16 | 185/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.05 (737.9) | 27.65 (702.4) | -1.4 (-35.5) -4.8% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 91.27 (2318.18) | 86.88 (2206.65) | -4.39 (-111.53) -4.8% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 5.83 (148) | -0.7 (-17.75) -10.7% |
| Revolutions per mile (km) | 694.23 (431.37) | 729.31 (453.17) | 35.09 (21.8) 5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.04 mph (30.64 km/h) |
| 25 mph (40.23 km/h) | 23.8 mph (38.3 km/h) |
| 30 mph (48.28 km/h) | 28.56 mph (45.96 km/h) |
| 35 mph (56.33 km/h) | 33.32 mph (53.62 km/h) |
| 40 mph (64.37 km/h) | 38.08 mph (61.28 km/h) |
| 45 mph (72.42 km/h) | 42.84 mph (68.94 km/h) |
| 50 mph (80.47 km/h) | 47.59 mph (76.6 km/h) |
| 55 mph (88.51 km/h) | 52.35 mph (84.26 km/h) |
| 60 mph (96.56 km/h) | 57.11 mph (91.92 km/h) |
| 65 mph (104.61 km/h) | 61.87 mph (99.57 km/h) |
| 70 mph (112.65 km/h) | 66.63 mph (107.23 km/h) |
| 75 mph (120.7 km/h) | 71.39 mph (114.89 km/h) |
| 80 mph (128.75 km/h) | 76.15 mph (122.55 km/h) |
| 85 mph (136.79 km/h) | 80.91 mph (130.21 km/h) |
| 90 mph (144.84 km/h) | 85.67 mph (137.87 km/h) |
| 95 mph (152.89 km/h) | 90.43 mph (145.53 km/h) |
| 100 mph (160.93 km/h) | 95.19 mph (153.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1856 | 2156 | 2322 | 2425 | 2535 | 2614 | 2701 | 2804 | 2946 | 3088 | 3246 | 3372 | 3601 | 3854 | 4052 | 4178 | 4249 | 4510 | 4873 | 5663 |
Better Fuel Economy Factory Ratios Increased Power
