2018 Buick Envision — Full Specifications
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The 2018 Buick Envision is an SUV offered with 2 engines (2L 4-cyl turbo, 2.5L 4-cyl). Its most fuel-efficient configuration returns around 30 mpg (UK) / 25 mpg (US EPA) combined, with 26–30 mpg (UK) across all configurations. Owners often keep a Buick Envision workshop manual to hand for servicing and repairs.
Compared with the 2017 Buick Envision: Fuel economy is essentially unchanged at around 30 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 5★ overall NHTSA rating.
Full Specifications
| Engine (most efficient) | 2.5L 4-cyl |
|---|---|
| Engine options | 2L 4-cyl turbo · 2.5L 4-cyl |
| Transmission (most efficient) | Automatic 6-spd |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | SUV |
| Passenger Volume (EPA) | 75 cu ft (2,124 L) |
| Luggage Volume (EPA) | 26 cu ft (736 L) |
| Fuel Economy (UK) | 30 combined / 26 urban / 35 extra-urban mpg |
| Fuel Economy (US EPA) | 25 combined / 22 city / 29 highway mpg |
| CO₂ Emissions | 223 g/km |
| EPA Greenhouse Gas Score | 5 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $2,700 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2018 Buick Envision across 2 engines (2L 4-cyl turbo, 2.5L 4-cyl). Combined fuel economy ranges from 22 to 25 mpg (US), or 26 to 30 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 |
|---|---|---|---|---|---|---|
| 2L 4-cyl turbo | Automatic 6-spd | All-Wheel Drive | 26 | 22 (20/26) | 249 | $3,750 |
| 2.5L 4-cyl | Automatic 6-spd | All-Wheel Drive | 29 | 24 (21/27) | 234 | $2,800 |
| 2.5L 4-cyl | Automatic 6-spd | Front-Wheel Drive | 30 | 25 (22/29) | 223 | $2,700 |
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 75 cubic feet (about 2,124 litres) and luggage volume at 26 cubic feet (about 736 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 Buick Envision
Running Costs: 2018 Buick Envision
Covering around 8,000 miles a year in a 2018 Buick Envision 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 $2,700 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 Buick Envision Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists no safety recall campaigns for the 2018 Buick Envision as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
Owners have filed 14 complaints with NHTSA about the 2018 Buick Envision. The most-reported areas are Electrical system (4), Engine (4), Steering (4). That is close to the median of 21 complaints across the 10 Buick Envision model years in our data.
Used-buyer checklist for the 2018 Buick Envision
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- 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 (4 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Steering (4 owner complaints) — Check for play, noise or heavy steering, and ask whether any steering recall work was done.
- Suspension (3 owner complaints) — Listen for knocks over bumps and check tyre wear for signs of alignment problems.
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 Buick Envision 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 223 g/km CO₂ figure is 30 g/km lower than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
At 30 mpg (UK) combined it sits close to the 29 mpg average for Buick models in our database. Its 223 g/km CO₂ figure is 10 g/km lower than the 233 g/km Buick average.
Of the 11 Buick Envision model years we cover, the 2018 ranks 4th for combined fuel economy on its best configuration (30 mpg UK combined, against a high of 31 mpg). See every Buick Envision 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 Buick Envision
Frequently Asked Questions
What engine does the 2018 Buick Envision have?
EPA lists 2 engines for the 2018 Buick Envision: 2L 4-cyl turbo, 2.5L 4-cyl. The most fuel-efficient configuration pairs the 2.5L 4-cyl with a automatic 6-spd.
What is the fuel economy of the 2018 Buick Envision?
The most efficient configuration returns around 30 mpg (UK) combined, or 25 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 26 to 30 mpg.
How much does the 2018 Buick Envision cost to fuel per year?
The US EPA estimates about $2,700 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 Buick Envision have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 4 stars for frontal crash protection.
Does the 2018 Buick Envision have any recalls?
NHTSA lists no safety recall campaigns for the 2018 Buick Envision as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
What are the most common problems reported for the 2018 Buick Envision?
Among the 14 owner complaints filed with NHTSA, the most-reported areas are Electrical system (4 complaints), Engine (4 complaints), Steering (4 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 Buick Envision have?
EPA measures interior passenger volume at 75 cubic feet (about 2,124 litres) and luggage volume at 26 cubic feet (about 736 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.
Is the Buick Envision'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.