2018 Mitsubishi Mirage G4 — Full Specifications
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The 2018 Mitsubishi Mirage G4 is a saloon/sedan powered by a 1.2L 3-cyl regular gasoline engine. Its most fuel-efficient configuration returns around 44 mpg (UK) / 37 mpg (US EPA) combined, with 42–44 mpg (UK) across all configurations. Owners often keep a Mitsubishi Mirage G4 workshop manual to hand for servicing and repairs.
Related listing: see also the 2018 Mitsubishi Mirage page for the base Mirage listing, which may cover additional engines and body styles.
Compared with the 2017 Mitsubishi Mirage G4: Fuel economy is essentially unchanged at around 44 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine | 1.2L 3-cyl |
|---|---|
| Transmission | Automatic (variable gear ratios) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 90 cu ft (2,549 L) |
| Luggage Volume (EPA) | 13 cu ft (368 L) |
| Fuel Economy (UK) | 44 combined / 42 urban / 49 extra-urban mpg |
| Fuel Economy (US EPA) | 37 combined / 35 city / 41 highway mpg |
| CO₂ Emissions | 147 g/km |
| EPA Greenhouse Gas Score | 8 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $1,800 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2018 Mitsubishi Mirage G4, all with the 1.2L 3-cyl engine. Combined fuel economy ranges from 35 to 37 mpg (US), or 42 to 44 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 1.2L 3-cyl | Automatic (variable gear ratios) | Front-Wheel Drive | 44 | 37 (35/41) | 147 | $1,800 |
| 1.2L 3-cyl | Manual 5-spd | Front-Wheel Drive | 42 | 35 (33/40) | 155 | $1,900 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 90 cubic feet (about 2,549 litres) and luggage volume at 13 cubic feet (about 368 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2018 Mitsubishi Mirage G4
Running Costs: 2018 Mitsubishi Mirage G4
Covering around 8,000 miles a year in a 2018 Mitsubishi Mirage G4 at 44 mpg combined, expect roughly 827 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $1,800 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2018 Mitsubishi Mirage G4 Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 2 safety recall campaigns that include the 2018 Mitsubishi Mirage G4 (as of 6 October 2026). Most affected areas: Air bags (2). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Air bags — campaign 19V330000, reported 26 April 2019. Risk: Air bags that do not deploy increase the risk of injury in a crash.
- Air bags — campaign 17V686000, reported 30 October 2017. Risk: Air bags that do not deploy as designed in a crash increase the risk of injury.
Owners have filed 21 complaints with NHTSA about the 2018 Mitsubishi Mirage G4. The most-reported areas are Air bags (8), Electrical system (4), Engine (3). Complaints include 6 reported crashes, 7 reported injuries.
Used-buyer checklist for the 2018 Mitsubishi Mirage G4
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Air bags (2 recall campaigns · 8 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Electrical system (4 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Engine (3 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Steering (3 owner complaints) — Check for play, noise or heavy steering, and ask whether any steering recall work was done.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
Mitsubishi models in our database average about 33 mpg (UK) combined on their most efficient configuration; the 2018 Mitsubishi Mirage G4's 44 mpg is 11 mpg above that make average. Its 147 g/km CO₂ figure is 57 g/km lower than the 204 g/km Mitsubishi average.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2018 Mitsubishi Mirage G4
Frequently Asked Questions
What engine does the 2018 Mitsubishi Mirage G4 have?
It's fitted with a 1.2L 3-cyl regular gasoline engine, paired with a automatic (variable gear ratios) transmission.
What is the fuel economy of the 2018 Mitsubishi Mirage G4?
The most efficient configuration returns around 44 mpg (UK) combined, or 37 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 42 to 44 mpg.
How much does the 2018 Mitsubishi Mirage G4 cost to fuel per year?
The US EPA estimates about $1,800 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2018 Mitsubishi Mirage G4 have any recalls?
NHTSA lists 2 safety recall campaigns that include the 2018 Mitsubishi Mirage G4 (as of 6 October 2026). Most affected areas: Air bags (2). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2018 Mitsubishi Mirage G4?
Among the 21 owner complaints filed with NHTSA, the most-reported areas are Air bags (8 complaints), Electrical system (4 complaints), Engine (3 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2018 Mitsubishi Mirage G4 have?
EPA measures interior passenger volume at 90 cubic feet (about 2,549 litres) and luggage volume at 13 cubic feet (about 368 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.