2018 Dodge Challenger SRT — Full Specifications
As an Amazon Associate and CJ Affiliate and AWIN publisher we earn from qualifying purchases. Links below are affiliate links.
Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.
The 2018 Dodge Challenger SRT is a coupe offered with 2 engines (6.2L 8-cyl supercharged, 6.4L 8-cyl). Its most fuel-efficient configuration returns around 22 mpg (UK) / 18 mpg (US EPA) combined, with 19–22 mpg (UK) across all configurations. Owners often keep a Dodge Challenger SRT workshop manual to hand for servicing and repairs.
Related listing: see also the 2018 Dodge Challenger page for the base Challenger listing, which may cover additional engines and body styles.
Compared with the 2017 Dodge Challenger SRT: Fuel economy is essentially unchanged at around 22 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 6.4L 8-cyl |
|---|---|
| Engine options | 6.2L 8-cyl supercharged · 6.4L 8-cyl |
| Transmission (most efficient) | Automatic 8-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Coupe |
| Passenger Volume (EPA) | 94 cu ft (2,662 L) |
| Luggage Volume (EPA) | 16 cu ft (453 L) |
| Fuel Economy (UK) | 22 combined / 18 urban / 30 extra-urban mpg |
| Fuel Economy (US EPA) | 18 combined / 15 city / 25 highway mpg |
| CO₂ Emissions | 302 g/km |
| EPA Greenhouse Gas Score | 2 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,550 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 4 configurations for the 2018 Dodge Challenger SRT across 2 engines (6.2L 8-cyl supercharged, 6.4L 8-cyl). Combined fuel economy ranges from 16 to 18 mpg (US), or 19 to 22 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 |
|---|---|---|---|---|---|---|
| 6.2L 8-cyl supercharged | Automatic 8-spd | Rear-Wheel Drive | 19 | 16 (13/22) | 339 | $5,150 |
| 6.2L 8-cyl supercharged | Manual 6-spd | Rear-Wheel Drive | 19 | 16 (13/21) | 352 | $5,150 |
| 6.4L 8-cyl | Automatic 8-spd | Rear-Wheel Drive | 22 | 18 (15/25) | 302 | $4,550 |
| 6.4L 8-cyl | Manual 6-spd | Rear-Wheel Drive | 20 | 17 (14/23) | 325 | $4,850 |
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 94 cubic feet (about 2,662 litres) and luggage volume at 16 cubic feet (about 453 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 Dodge Challenger SRT
Running Costs: 2018 Dodge Challenger SRT
Covering around 8,000 miles a year in a 2018 Dodge Challenger SRT at 22 mpg combined, expect roughly 1,653 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,550 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 Dodge Challenger SRT 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 4 safety recall campaigns that include the 2018 Dodge Challenger SRT (as of 6 October 2026). Most affected areas: Electrical system (2), Power train (2). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Electrical system — campaign 18V524000, reported 9 August 2018. Risk: A vehicle stall can increase the risk of a crash.
- Power train — campaign 18E053000, reported 12 July 2018. Risk: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.
- Electrical system — campaign 18V332000, reported 17 May 2018. Risk: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.
- Power train — campaign 18V280000, reported 1 May 2018. Risk: If the incorrect park lock rod is installed, the transmission may not shift into 'PARK' and keep the vehicle from moving, increasing the risk of unintended vehicle movement and the risk of a crash.
Owners have filed 75 complaints with NHTSA about the 2018 Dodge Challenger SRT. The most-reported areas are Electrical system (28), Unspecified (28), Power train (8). Complaints include 9 reported crashes, 2 reported fires, 8 reported injuries. That is well above the median of 43 complaints across the 7 Dodge Challenger SRT model years in our data.
Used-buyer checklist for the 2018 Dodge Challenger SRT
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Electrical system (2 recall campaigns · 28 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Transmission & drivetrain (2 recall campaigns · 8 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Wheels (6 owner complaints) — Look for bent or cracked wheels and ask about any wheel recalls.
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
How does the Dodge Challenger SRT compare to similar coupes? For context, coupes in our database average around 25 mpg (UK) combined — this model's 22 mpg figure is 3 mpg below that average. Its 302 g/km CO₂ figure is 24 g/km higher than the 278 g/km average for coupes on this site. This comparison is based on 1072 coupes in our dataset.
Dodge models in our database average about 25 mpg (UK) combined on their most efficient configuration; the 2018 Dodge Challenger SRT's 22 mpg is 3 mpg below that make average. Its 302 g/km CO₂ figure is 33 g/km higher than the 269 g/km Dodge average.
Of the 7 Dodge Challenger SRT model years we cover, the 2018 is the most economical on its best configuration (22 mpg UK combined). See every Dodge Challenger SRT year side by side.
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 Dodge Challenger SRT
Frequently Asked Questions
What engine does the 2018 Dodge Challenger SRT have?
EPA lists 2 engines for the 2018 Dodge Challenger SRT: 6.2L 8-cyl supercharged, 6.4L 8-cyl. The most fuel-efficient configuration pairs the 6.4L 8-cyl with a automatic 8-spd.
What is the fuel economy of the 2018 Dodge Challenger SRT?
The most efficient configuration returns around 22 mpg (UK) combined, or 18 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 19 to 22 mpg.
How much does the 2018 Dodge Challenger SRT cost to fuel per year?
The US EPA estimates about $4,550 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 Dodge Challenger SRT have any recalls?
NHTSA lists 4 safety recall campaigns that include the 2018 Dodge Challenger SRT (as of 6 October 2026). Most affected areas: Electrical system (2), Power train (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 Dodge Challenger SRT?
Among the 75 owner complaints filed with NHTSA, the most-reported areas are Electrical system (28 complaints), Unspecified (28 complaints), Power train (8 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 Dodge Challenger SRT have?
EPA measures interior passenger volume at 94 cubic feet (about 2,662 litres) and luggage volume at 16 cubic feet (about 453 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.
Is the Dodge Challenger SRT's fuel economy good for a coupe?
It returns around 22 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the coupes we track.