2018 Audi Q7 — Full Specifications
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The 2018 Audi Q7 is an SUV offered with 2 engines (2L 4-cyl turbo, 3L 6-cyl supercharged). It returns around 25 mpg (UK) / 21 mpg (US EPA) combined. Owners often keep a Audi Q7 workshop manual to hand for servicing and repairs.
Compared with the 2017 Audi Q7: Fuel economy is essentially unchanged at around 25 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It holds a 5★ overall NHTSA rating (none is on record for the 2017 model).
Full Specifications
| Engine (most efficient) | 2L 4-cyl turbo |
|---|---|
| Engine options | 2L 4-cyl turbo · 3L 6-cyl supercharged |
| Transmission (most efficient) | Automatic (S8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | SUV |
| Length | 5052 mm |
| Width | 1968 mm |
| Height | 1740 mm |
| Fuel Economy (UK) | 25 combined / 23 urban / 30 extra-urban mpg |
| Fuel Economy (US EPA) | 21 combined / 19 city / 25 highway mpg |
| CO₂ Emissions | 258 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 2 configurations for the 2018 Audi Q7 across 2 engines (2L 4-cyl turbo, 3L 6-cyl supercharged). 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 (S8) | All-Wheel Drive | 25 | 21 (19/25) | 258 | $3,900 |
| 3L 6-cyl supercharged | Automatic (S8) | All-Wheel Drive | 25 | 21 (19/25) | 260 | $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 Q7
Running Costs: 2018 Audi Q7
Covering around 8,000 miles a year in a 2018 Audi Q7 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 Q7 Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 3 safety recall campaigns that include the 2018 Audi Q7 (as of 6 October 2026). Most affected areas: Structure (1), Steering (1), Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Structure — campaign 20V658000, reported 27 October 2020. Risk: In the event of a crash, an unbelted occupant's head may impact the vehicle's C-pillar padding, increasing the risk of injury.
- Steering — campaign 20V149000, reported 16 March 2020. Risk: A sudden loss of loss of steering control may increase the risk of a crash.
- Fuel system — campaign 19V035000, reported 16 January 2019. Risk: A fuel leak in the presence of an ignition source can increase risk of a fire.
Owners have filed 143 complaints with NHTSA about the 2018 Audi Q7. The most-reported areas are Engine (38), Exterior lighting (23), Unspecified (19). Complaints include 3 reported crashes, 3 reported injuries. That is well above the median of 29 complaints across the 16 Audi Q7 model years in our data.
Used-buyer checklist for the 2018 Audi Q7
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Engine (38 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Lighting (23 owner complaints) — Check every exterior light works and look for moisture inside the lamp housings.
- Suspension (17 owner complaints) — Listen for knocks over bumps and check tyre wear for signs of alignment problems.
- Body structure (1 recall campaign) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
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 Q7 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 258 g/km CO₂ figure is 5 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 Q7's 25 mpg is 2 mpg below that make average.
Of the 16 Audi Q7 model years we cover, the 2018 ranks 8th for combined fuel economy on its best configuration (25 mpg UK combined, against a high of 26 mpg). See every Audi Q7 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 Q7
Frequently Asked Questions
What engine does the 2018 Audi Q7 have?
EPA lists 2 engines for the 2018 Audi Q7: 2L 4-cyl turbo, 3L 6-cyl supercharged. The most fuel-efficient configuration pairs the 2L 4-cyl turbo with a automatic (s8).
What is the fuel economy of the 2018 Audi Q7?
The most efficient configuration returns around 25 mpg (UK) combined, or 21 mpg on the US EPA cycle.
How much does the 2018 Audi Q7 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 Q7 have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 4 stars for frontal crash protection.
Does the 2018 Audi Q7 have any recalls?
NHTSA lists 3 safety recall campaigns that include the 2018 Audi Q7 (as of 6 October 2026). Most affected areas: Structure (1), Steering (1), Fuel system (1). 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 Q7?
Among the 143 owner complaints filed with NHTSA, the most-reported areas are Engine (38 complaints), Exterior lighting (23 complaints), Unspecified (19 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Audi Q7'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.