Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/35-21 | 295/40-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.13 (739.9) | 30.29 (769.4) | 1.16 (29.5) 4% |
| Width inches (mm) | 11.61 (295) | 11.61 (295) | 0 (0) 0% |
| Circum. inches (mm) | 91.51 (2324.46) | 95.16 (2417.14) | 3.65 (92.68) 4% |
| Sidewall Height inches (mm) | 4.06 (103.25) | 4.65 (118) | 0.58 (14.75) 14.3% |
| Revolutions per mile (km) | 692.35 (430.21) | 665.8 (413.71) | -26.55 (-16.49) -3.8% |
295/40-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.8 mph (33.47 km/h) |
| 25 mph (40.23 km/h) | 26 mph (41.84 km/h) |
| 30 mph (48.28 km/h) | 31.2 mph (50.21 km/h) |
| 35 mph (56.33 km/h) | 36.4 mph (58.57 km/h) |
| 40 mph (64.37 km/h) | 41.59 mph (66.94 km/h) |
| 45 mph (72.42 km/h) | 46.79 mph (75.31 km/h) |
| 50 mph (80.47 km/h) | 51.99 mph (83.68 km/h) |
| 55 mph (88.51 km/h) | 57.19 mph (92.04 km/h) |
| 60 mph (96.56 km/h) | 62.39 mph (100.41 km/h) |
| 65 mph (104.61 km/h) | 67.59 mph (108.78 km/h) |
| 70 mph (112.65 km/h) | 72.79 mph (117.15 km/h) |
| 75 mph (120.7 km/h) | 77.99 mph (125.51 km/h) |
| 80 mph (128.75 km/h) | 83.19 mph (133.88 km/h) |
| 85 mph (136.79 km/h) | 88.39 mph (142.25 km/h) |
| 90 mph (144.84 km/h) | 93.59 mph (150.62 km/h) |
| 95 mph (152.89 km/h) | 98.79 mph (158.98 km/h) |
| 100 mph (160.93 km/h) | 103.99 mph (167.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1694 | 1968 | 2120 | 2213 | 2314 | 2387 | 2466 | 2560 | 2689 | 2819 | 2963 | 3079 | 3288 | 3518 | 3699 | 3814 | 3879 | 4117 | 4449 | 5170 |
Better Fuel Economy Factory Ratios Increased Power
