2018 Audi SQ5 — 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 SQ5 is an SUV powered by a 3L 6-cyl turbo premium gasoline engine. It returns around 25 mpg (UK) / 21 mpg (US EPA) combined. Owners often keep a Audi SQ5 workshop manual to hand for servicing and repairs.
Compared with the 2017 Audi SQ5: Fuel economy improves from 23 to 25 mpg (UK) combined on the most efficient configuration. EPA lists new engine options for 2018: 3L 6-cyl turbo. No longer listed: 3L 6-cyl supercharged.
Full Specifications
| Engine | 3L 6-cyl turbo |
|---|---|
| Transmission | Automatic (AM-S8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 25 combined / 23 urban / 29 extra-urban mpg |
| Fuel Economy (US EPA) | 21 combined / 19 city / 24 highway mpg |
| CO₂ Emissions | 270 g/km |
| EPA Greenhouse Gas Score | 4 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,900 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2018 Audi SQ5, all with the 3L 6-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 |
|---|---|---|---|---|---|---|
| 3L 6-cyl turbo | Automatic (AM-S8) | All-Wheel Drive | 25 | 21 (19/24) | 270 | $3,900 |
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 SQ5
Running Costs: 2018 Audi SQ5
Covering around 8,000 miles a year in a 2018 Audi SQ5 at 25 mpg combined, expect roughly 1,455 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,900 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 SQ5 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 5 safety recall campaigns that include the 2018 Audi SQ5 (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 5 campaigns.
Owners have filed 24 complaints with NHTSA about the 2018 Audi SQ5. The most-reported areas are Electrical system (8), Engine (6), Power train (4). Complaints include 1 reported crash, 2 reported injuries.
Used-buyer checklist for the 2018 Audi SQ5
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Brakes (2 recall campaigns) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Electrical system (1 recall campaign · 8 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Body structure (1 recall campaign) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
- Wheels (1 recall campaign) — 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 Audi SQ5 compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 25 mpg figure is 2 mpg below that average. Its 270 g/km CO₂ figure is 17 g/km higher 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 SQ5's 25 mpg is 2 mpg below that make average. Its 270 g/km CO₂ figure is 19 g/km higher than the 251 g/km Audi average.
Of the 13 Audi SQ5 model years we cover, the 2018 ranks 3rd for combined fuel economy on its best configuration (25 mpg UK combined, against a high of 28 mpg). See every Audi SQ5 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 SQ5
Frequently Asked Questions
What engine does the 2018 Audi SQ5 have?
It's fitted with a 3L 6-cyl turbo premium gasoline engine, paired with a automatic (am-s8) transmission.
What is the fuel economy of the 2018 Audi SQ5?
The most efficient configuration returns around 25 mpg (UK) combined, or 21 mpg on the US EPA cycle.
How much does the 2018 Audi SQ5 cost to fuel per year?
The US EPA estimates about $3,900 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 SQ5 have any recalls?
NHTSA lists 5 safety recall campaigns that include the 2018 Audi SQ5 (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 SQ5?
Among the 24 owner complaints filed with NHTSA, the most-reported areas are Electrical system (8 complaints), Engine (6 complaints), Power train (4 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Audi SQ5's fuel economy good for an SUV?
It returns around 25 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.