2018 Audi Q5 — Full Specifications
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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 Audi Q5 is an SUV powered by a 2L 4-cyl turbo premium gasoline engine. It returns around 30 mpg (UK) / 25 mpg (US EPA) combined. Owners often keep a Audi Q5 workshop manual to hand for servicing and repairs.
Compared with the 2017 Audi Q5: Fuel economy improves from 26 to 30 mpg (UK) combined on the most efficient configuration. No longer listed: 3L 6-cyl supercharged. The overall NHTSA rating moves from 4★ to 5★.
Full Specifications
| Engine | 2L 4-cyl turbo |
|---|---|
| Transmission | Automatic (S7) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 30 combined / 28 urban / 32 extra-urban mpg |
| Fuel Economy (US EPA) | 25 combined / 23 city / 27 highway mpg |
| CO₂ Emissions | 226 g/km |
| EPA Greenhouse Gas Score | 5 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,300 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2018 Audi Q5, all with the 2L 4-cyl turbo engine. 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 |
|---|---|---|---|---|---|---|
| 2L 4-cyl turbo | Automatic (S7) | All-Wheel Drive | 30 | 25 (23/27) | 226 | $3,300 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2018 Audi Q5
Running Costs: 2018 Audi Q5
Covering around 8,000 miles a year in a 2018 Audi Q5 at 30 mpg combined, expect roughly 1,212 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,300 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.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2018 Audi Q5 Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 6 safety recall campaigns that include the 2018 Audi Q5 (as of 6 October 2026). Most affected areas: Service brakes (2), Electrical system (1), Structure (1). 1 campaign carried a “do not drive” or “park outside” advisory. A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Electrical system — campaign 21V947000, reported 8 December 2021. Risk: A gateway control module shutdown will suddenly reduce engine power, increasing the risk of a crash.
- Structure — campaign 19V737000, reported 16 October 2019. Risk: The detached trim may become a road hazard, increasing the risk of crash.
- Wheels — campaign 19V416000, reported 5 June 2019. Risk: The detached trim may become a road hazard, increasing the risk of crash.
- Service brakes — campaign 19V277000, reported 8 April 2019. Risk: A short casting can cause a sudden loss of brakes, increasing the risk of crash. The electronic parking brake and its emergency brake function are not affected and will still function.
Showing the 4 most recent of 6 campaigns.
Owners have filed 207 complaints with NHTSA about the 2018 Audi Q5. The most-reported areas are Electrical system (74), Unspecified (44), Engine (31). Complaints include 10 reported crashes, 5 reported injuries. That is well above the median of 52 complaints across the 17 Audi Q5 model years in our data.
Used-buyer checklist for the 2018 Audi Q5
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Electrical system (1 recall campaign · 74 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Engine (31 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Suspension (25 owner complaints) — Listen for knocks over bumps and check tyre wear for signs of alignment problems.
- Brakes (2 recall campaigns) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
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 Audi Q5 compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 30 mpg figure is 3 mpg better than that average. Its 226 g/km CO₂ figure is 27 g/km lower than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Audi models in our database average about 27 mpg (UK) combined on their most efficient configuration; the 2018 Audi Q5's 30 mpg is 3 mpg above that make average. Its 226 g/km CO₂ figure is 25 g/km lower than the 251 g/km Audi average.
Of the 17 Audi Q5 model years we cover, the 2018 ranks 7th for combined fuel economy on its best configuration (30 mpg UK combined, against a high of 32 mpg). See every Audi Q5 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 Audi Q5
Frequently Asked Questions
What engine does the 2018 Audi Q5 have?
It's fitted with a 2L 4-cyl turbo premium gasoline engine, paired with a automatic (s7) transmission.
What is the fuel economy of the 2018 Audi Q5?
The most efficient configuration returns around 30 mpg (UK) combined, or 25 mpg on the US EPA cycle.
How much does the 2018 Audi Q5 cost to fuel per year?
The US EPA estimates about $3,300 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 Audi Q5 have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2018 Audi Q5 have any recalls?
NHTSA lists 6 safety recall campaigns that include the 2018 Audi Q5 (as of 6 October 2026). Most affected areas: Service brakes (2), Electrical system (1), Structure (1). 1 campaign carried a “do not drive” or “park outside” advisory. 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 Audi Q5?
Among the 207 owner complaints filed with NHTSA, the most-reported areas are Electrical system (74 complaints), Unspecified (44 complaints), Engine (31 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Audi Q5's fuel economy good for an SUV?
Yes — it returns around 30 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track, making it one of the more efficient options in its class.