185/55R16 tire size
A 185/55R16 tire is 185 mm wide with a 101.8 mm sidewall, 55% of the width, on a 16-inch rim, which puts the whole tire at 609.9 mm, or about 24.0 inches, tall. Our data lists 4 models fitted with it from the factory, mostly sedans and hatchbacks.
Overall height
609.9 mm
24.0 in
Sidewall
101.8 mm
55%
Circumference
1,916 mm
Revs per km
522
Actual dimensions of 185/55R16
| Section width | 185 mm (7.3 in) |
| Sidewall height | 101.8 mm (4.01 in) |
| Rim diameter | 16 in (406.4 mm) |
| Overall diameter | 609.9 mm (24.0 in) |
| Circumference | 1,916 mm |
| Revolutions per km | 522 |
| Inch notation (height x width) | 24.0x7.3R16 |
Worked out: sidewall 185 x 0.55 = 101.75 mm, rim 16 x 25.4 = 406.4 mm, overall 406.4 + (101.75 x 2) = 609.9 mm, circumference 3.1416 x 609.9 = 1,916 mm. One turn of the tire moves the car about 1.92 m, which is 522 turns per kilometer. New to sidewall codes? See how to read a tire size.
These are nominal figures from the standard formula. Real tires vary slightly by brand and squat a little under the weight of the car.
Cars fitted with 185/55R16 from the factory
Models whose Thai-market specification lists 185/55R16; the source column links to the spec we checked.
| Model | Years | Grades | Source |
|---|---|---|---|
| Honda City | 2014–2019 | SV, SV+ | headlightmag.com |
| Honda City / City Hatchback | 2020–2023 | RS | headlightmag.com |
| Honda Jazz (GK) | 2014–2021 | RS | headlightmag.com |
| Suzuki Swift | 2018–2023 | GLX | headlightmag.com |
Cars that can switch to 185/55R16
These cars leave the factory on another size within 3% of the height of 185/55R16. Whether it fits still depends on rim width and wheel-well clearance.
| Model | Factory size | Height difference | Wheel |
|---|---|---|---|
| MG3 HYBRID+Current model | 195/55R16 | −1.77% | Same wheel |
| Honda City / City Hatchback2023–present | 185/60R16 | −2.94% | Same wheel |
| Mazda22015–present | 185/60R16 | −2.94% | Same wheel |
| Toyota Vios2013–2022 | 185/60R15 | +1.14% | Needs 16-inch wheels |
| Toyota Yaris (Hatchback)2017–present | 185/60R15 | +1.14% | Needs 16-inch wheels |
| Toyota Yaris ATIV2017–2022 | 185/60R15 | +1.14% | Needs 16-inch wheels |
Sizes that can replace 185/55R16
Sizes within ±3% of the overall height of 185/55R16. “At 100 km/h” is the real speed when the speedometer reads 100.
| Size | Height | Difference | At 100 km/h | Sidewall | Match | Compare |
|---|---|---|---|---|---|---|
| 175/65R15 | 608.5 mm | −1.4 mm (−0.23%) | 99.8 km/h | 113.8 mm | Very close | Compare |
| 205/50R16 | 611.4 mm | +1.5 mm (+0.25%) | 100.2 km/h | 102.5 mm | Very close | Compare |
| 195/60R15 | 615.0 mm | +5.1 mm (+0.84%) | 100.8 km/h | 117.0 mm | Close | Compare |
| 215/40R17 | 603.8 mm | −6.1 mm (−1.00%) | 99.0 km/h | 86.0 mm | Close | Compare |
| 205/45R17 | 616.3 mm | +6.4 mm (+1.05%) | 101.0 km/h | 92.3 mm | Close | Compare |
| 185/60R15 | 603.0 mm | −6.9 mm (−1.13%) | 98.9 km/h | 111.0 mm | Close | Compare |
| 195/50R16 | 601.4 mm | −8.5 mm (−1.39%) | 98.6 km/h | 97.5 mm | Close | Compare |
| 195/55R16 | 620.9 mm | +11.0 mm (+1.80%) | 101.8 km/h | 107.3 mm | Close | Compare |
- Keeping your wheels, the closest is 205/50R16 at 611.4 mm, +1.5 mm (+0.25%) from the original. With the speedometer on 100 km/h, the car would actually be doing about 100.2 km/h. Ground clearance rises by about 0.8 mm.
- Moving up to 17-inch wheels, the closest height match is 215/40R17 (−1.00%), with the sidewall dropping from 101.8 mm to 86.0 mm.
- Going down to 15-inch wheels, 175/65R15 (−0.23%) is the closest match and raises the sidewall to 113.8 mm.
- A larger or wider tire also changes acceleration, fuel use and steering weight, so look beyond the percentage.
Buying 185/55R16 tires
Passenger tires in this size come in eco, comfort and sport lines. Japanese and European brands usually cost more than Asian ones, and the difference shows in noise, wet braking and tread life.
Check the production date in the DOT code before paying.
Check current prices
Search by brand
Links open marketplace search results; prices change constantly and not every brand makes this size.
Load index and speed rating for 185/55R16
The code after the size on the sidewall, as in 185/55R16 83H, is the load index and speed symbol. The common ratings for this size:
| Version | Index | Per tire | Four tires |
|---|---|---|---|
| Standard load (SL) | 83 | 487 kg | 1,948 kg |
| Extra load (XL) | 87 | 545 kg | 2,180 kg |
The new tire's load index and speed symbol must be no lower than the door placard, and it only carries its rated load at the correct pressure.
Common speed symbols in this size
H
210 km/h
V
240 km/h
185/55R16 questions
How tall is a 185/55R16 tire?
About 24.0 inches, or 609.9 mm, from top to bottom before it carries weight. Each sidewall is 101.8 mm tall and the tire is 185 mm (7.3 in) wide.
Which cars use 185/55R16 tires?
From Thai-market specifications, 185/55R16 comes on Honda City, Honda City / City Hatchback, Honda Jazz (GK) and Suzuki Swift.
Can I fit 205/50R16 instead of 185/55R16?
Size-wise, yes: the height differs by +0.25% (+1.5 mm), so an indicated 100 km/h is really about 100.2 km/h. The tread is 20 mm wider. Check rim width and load index first.
How much weight can a 185/55R16 tire carry?
Most standard-load versions carry load index 83: 487 kg per tire, 1,948 kg across four. XL versions are rated 87, or 545 kg per tire. Look for the number after the size on the sidewall, as in 185/55R16 83H.
Other 16-inch sizes
To compare other sizes yourself, use the tire size calculator; changing rim size, try plus/minus sizing; and see speedometer error by speed.