2018 Honda Civic MPG
Across its 15 EPA-rated versions, the 2018 Honda Civic returns 22–32 mpg city, 28–42 highway and 25–36 combined.
The most efficient pairs the 1.5-liter turbo 4-cylinder engine with a CVT and front-wheel drive, at 36 mpg combined. At the other end, the 2.0-liter turbo 4-cylinder engine with a manual transmission and front-wheel drive manages 25 mpg combined, 11 mpg less. That matches the best gasoline version of the 2017 model.
| Version | Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|---|
| Civic 4Dr | 1.5 L 4-cyl turbo | Automatic (variable gear ratios) | Front-Wheel Drive | 32 | 42 | 36 | Regular · 247 g CO₂/mi |
| Civic 2Dr | 1.5 L 4-cyl turbo | Manual 6-spd | Front-Wheel Drive | 30 | 41 | 35 | Regular · 258 g CO₂/mi |
| Civic 2Dr | 1.5 L 4-cyl turbo | Automatic (variable gear ratios) | Front-Wheel Drive | 31 | 40 | 35 | Regular · 256 g CO₂/mi |
| Civic 4Dr | 1.5 L 4-cyl turbo | Manual 6-spd | Front-Wheel Drive | 31 | 42 | 35 | Regular · 251 g CO₂/mi |
| Civic 5Dr | 1.5 L 4-cyl turbo | Automatic (variable gear ratios) | Front-Wheel Drive | 31 | 40 | 34 | Regular · 259 g CO₂/mi |
| Civic 2Dr | 2.0 L 4-cyl | Automatic (variable gear ratios) | Front-Wheel Drive | 30 | 39 | 34 | Regular · 262 g CO₂/mi |
| Civic 4Dr | 2.0 L 4-cyl | Automatic (variable gear ratios) | Front-Wheel Drive | 31 | 40 | 34 | Regular · 257 g CO₂/mi |
| Civic 5Dr | 1.5 L 4-cyl turbo | Manual 6-spd | Front-Wheel Drive | 29 | 38 | 33 | Regular · 269 g CO₂/mi |
| Civic 5Dr Sport | 1.5 L 4-cyl turbo | Manual 6-spd | Front-Wheel Drive | 29 | 38 | 33 | Premium · 269 g CO₂/mi |
| Civic 5Dr Sport | 1.5 L 4-cyl turbo | Automatic (AV-S7) | Front-Wheel Drive | 30 | 36 | 32 | Premium · 274 g CO₂/mi |
| Civic 2Dr | 2.0 L 4-cyl | Manual 6-spd | Front-Wheel Drive | 28 | 39 | 32 | Regular · 278 g CO₂/mi |
| Civic Si 2Dr | 1.5 L 4-cyl turbo | Manual 6-spd | Front-Wheel Drive | 28 | 38 | 32 | Premium · 279 g CO₂/mi |
| Civic 4Dr | 2.0 L 4-cyl | Manual 6-spd | Front-Wheel Drive | 28 | 40 | 32 | Regular · 273 g CO₂/mi |
| Civic Si 4Dr | 1.5 L 4-cyl turbo | Manual 6-spd | Front-Wheel Drive | 28 | 38 | 32 | Premium · 279 g CO₂/mi |
| Civic 5Dr - Type R | 2.0 L 4-cyl turbo | Manual 6-spd | Front-Wheel Drive | 22 | 28 | 25 | Premium · 360 g CO₂/mi |
2018 Honda Civic fuel cost per year
Driving 15,000 miles a year on regular gasoline at the September 2026 U.S. average of $4.36 a gallon, the 2018 Honda Civic costs about $1,810 a year to fuel in its most efficient form (36 mpg combined), or roughly 12 cents a mile.
The thirstiest priced version (32 mpg combined) comes to about $2,040 a year, $230 more.
This is an estimate from EPA combined mpg and the EIA national average price; your cost depends on how and where you drive and on local prices.
2018 Honda Civic specs
The EPA lists 3 engine choices for the 2018 Honda Civic: 1.5 L 4-cyl turbo, 2.0 L 4-cyl and 2.0 L 4-cyl turbo. It came with continuously variable (CVT) and manual transmissions, with front-wheel drive. For fuel-economy purposes it sits in the EPA's "Midsize Cars" class.
| Engine size (L) | Cylinders | Transmissions | Drive | Versions |
|---|---|---|---|---|
| 1.5 L turbo | 4 | Automatic (variable gear ratios); Manual 6-spd; Automatic (AV-S7) | Front-Wheel Drive | 10 |
| 2.0 L | 4 | Automatic (variable gear ratios); Manual 6-spd | Front-Wheel Drive | 4 |
| 2.0 L turbo | 4 | Manual 6-spd | Front-Wheel Drive | 1 |
2018 Honda Civic problems
As of October 2026, NHTSA (the National Highway Traffic Safety Administration) holds 756 owner complaints about the 2018 Honda Civic.
Steering is the most-reported area (35% of component mentions), followed by gasoline fuel system (11%) and fuel/propulsion system (9%).
Spread over its time on sale, that is 83 complaints a year: more than the 2017 (60 a year) and the 2019 (57 a year).
That ranks 3rd of 17 Honda Civic model years (2008–2024), counting from the most complaints per year.
Of the 756, 28 mention a crash, 4 a fire and 18 an injury.
| Component | Mentions | Share |
|---|---|---|
| Steering | 315 | 35% |
| Unknown or other | 128 | 14% |
| Gasoline fuel system | 99 | 11% |
| Fuel/propulsion system | 80 | 9% |
| Electrical system | 62 | 7% |
| Engine | 58 | 6% |
| Air bags | 23 | 3% |
| Structure | 22 | 2% |
| Service brakes | 19 | 2% |
| Power train | 15 | 2% |
| Forward collision avoidance | 14 | 2% |
| Visibility/wiper | 13 | 1% |
| Wheels | 11 | 1% |
| Seats | 8 | <1% |
| Electronic stability control (esc) | 6 | <1% |
| Visibility | 6 | <1% |
| Lane departure | 5 | <1% |
| Hydraulic service brakes | 5 | <1% |
| Vehicle speed control | 5 | <1% |
| Suspension | 4 | <1% |
| Exterior lighting | 3 | <1% |
| Parking brake | 3 | <1% |
| Seat belts | 3 | <1% |
| Equipment | 2 | <1% |
| Tires | 1 | <1% |
What owners told NHTSA
Car steering gets stuck/jerks and cannot stay straight, wheels jerk aggressively from left to right in speeds up to 50 on the highway during rain.
The contact owns a 2018 Honda Civic. The contact stated that the fuel pump was surging, and the vehicle was jerking while idling or while driving at undisclosed speeds. The contact stated that the vehicle stalled. …
My 1.5L turbo had the error message "Emissions System Problem" appear on the dash. …
2018 Honda Civic recalls
The 2018 Honda Civic has been the subject of 6 recall campaigns.
The most recent, campaign 26V332000 from May 2026, concerns air bags.
Equipment accounts for 2 of the 6 campaigns, more than any other area.
18V421000 · June 20, 2018 · Equipment
Problem: The manufacturing date area of the certification labels may have random characters which can affect the owner's ability to determine if a safety recall includes their vehicle.
Risk: If the owner is not able to verify if their vehicle is involved in safety recall, it can increase the risk of injury or crash.
Remedy: Honda will notify owners, and dealers will replace the certification label, free of charge.
| Campaign | Reported | Component | Civic years covered |
|---|---|---|---|
| 26V332000 | May 21, 2026 | Air bags | 2016–2022 |
| 23V858000 | December 18, 2023 | Gasoline fuel system | 2016–2021 |
| 20V314000 | May 28, 2020 | Gasoline fuel system | 2018–2019 |
| 18V817000 | November 16, 2018 | Equipment | 2017–2018 |
| 18V663000 | September 27, 2018 | Steering | 2017–2018 |
Safety ratings
NHTSA crash-tested 6 versions of the 2018 Honda Civic; the best overall score is 5 out of 5 stars.
| Version tested | Overall | Frontal | Side | Rollover |
|---|---|---|---|---|
| 5 HB FWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Type R 5 HB FWD | Not rated | Not rated | ★★★★★ | ★★★★★ |
| 4-door FWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Si 4-door FWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| 2-door FWD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★★ |
| Si 2-door FWD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★★ |
Crash-test photos: NHTSA (public domain). NHTSA can reuse a test for later model years of the same design.
Compared with other years
Complaints per year on sale divide each model year's NHTSA complaints by the years since it went on sale, so older and newer Honda Civics can be compared fairly. Among other 2018 models in the EPA's midsize cars class, the 2018 Hyundai Elantra (35 mpg), 2018 Toyota Camry (34 mpg) and 2018 Toyota Corolla (34 mpg) come closest on combined fuel economy.
| Year | Best mpg | Complaints | Per year on sale | Recalls |
|---|---|---|---|---|
| 2015 | 44 | 394 | 33 | 1 |
| 2016 | 35 | 1,083 | 98 | 5 |
| 2017 | 36 | 606 | 60 | 6 |
| 2018 | 36 | 756 | 83 | 6 |
| 2019 | 36 | 456 | 57 | 4 |
| 2020 | 36 | 237 | 34 | 5 |
| 2021 | 36 | 161 | 27 | 4 |
Every Honda Civic model year compared →
Similar 2018 models
FAQ
Is the 2018 Civic a good car?
We don't rate cars, but the official data gives a picture. The 2018 Honda Civic has 83 NHTSA complaints per year on sale (3rd most of 17 model years), 6 recall campaigns, a best overall crash rating of 5 stars and up to 36 mpg combined from the EPA.
What are common 2018 Civic problems?
The components owners report most to NHTSA are steering (315), gasoline fuel system (99) and fuel/propulsion system (80). Complaints are unverified owner reports.
How many recalls does the 2018 Civic have?
NHTSA lists 6 recall campaigns. To see whether a recall is still open on a specific car, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2018 Civic get?
The EPA rates the versions at 25–36 mpg combined (22–32 city, 28–42 highway).
How much does it cost to fuel a 2018 Civic per year?
About $1,810 a year for 15,000 miles in its most efficient form, up to about $2,040 for the thirstiest version, using EPA mpg and the September 2026 U.S. average regular gasoline price of $4.36 a gallon (EIA).