The tire size for a 2010 Honda Civic varies by trim and body style. In general, Si models use 235/40R18, most LX/LX/EX/EX-L versions use 205/55R16, the Hybrid typically wears 195/65R15, and the base DX often uses 185/65R15 (or 185/70R14). Always verify the exact specification on the door jamb placard or in the owner's manual for your specific vehicle.
Overview: how tire sizes vary by trim and body style
The 2010 Civic lineup included sedan and coupe configurations across several trims, plus a hybrid and a performance-focused Si. Each variant shipped with different wheel-and-tire packages, so the official size printed on the door placard can differ even within the same model year. Tire sizes are indicated by a code on the sidewall (for example, 205/55R16), which encodes width, aspect ratio, and wheel diameter.
Typical OEM tire sizes by trim
Below are common OEM sizes seen on US-market 2010 Civics. If your car's door placard shows a different size, that is the correct specification for your specific vehicle.
- Si (Coupe and Sedan): 235/40R18 on 18-inch wheels.
- LX/EX/EX-L (Sedan and Coupe, non-Si): 205/55R16 on 16-inch wheels.
- Hybrid: 195/65R15 on 15-inch wheels.
- DX (base): typically 185/65R15 or 185/70R14 depending on the wheel package.
Note: Variations can occur by market and option packages. Always rely on the vehicle’s tire placard or official documentation for the exact size.
How to read the tire size code
Tire size codes like 205/55R16 break down into width (205 mm), aspect ratio (55%), construction type (Radial), and wheel diameter (16 inches). The full code may also include a load index and speed rating (e.g., 205/55R16 91V), which indicate how much weight the tire can carry and the maximum speed it’s rated for. Matching these specifications is important when replacing tires to maintain performance and safety.
What to consider when replacing tires
When replacing tires on a 2010 Civic, aim to match the original size to preserve handling, gearing, and ABS-system behavior. If you replace with a different size, be mindful of overall diameter to avoid speedometer errors and changes in ride quality.
- Stick to the OEM size for a straightforward swap and to maintain factory performance.
- Consider tire type (all-season vs. summer performance) based on climate and driving style.
- If replacing only two tires, ensure the new tires match the others in size, load index, and speed rating, or replace all four for uniform performance.
Consult a tire professional or Honda dealer if you’re contemplating a size change, especially to ensure compatibility with ABS, traction control, and the Civic’s stability systems.
Summary
The 2010 Honda Civic did not have a single universal tire size; it varied by trim and body style. The Si typically uses 235/40R18, LX/EX/EX-L commonly use 205/55R16, the Hybrid often uses 195/65R15, and the base DX may use 185/65R15 or 185/70R14. Always verify the exact size on the door placard or in the owner's manual, and replace tires with the recommended size to maintain safety and performance.