2018 Land Rover Discovery — Full Specifications
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The 2018 Land Rover Discovery is an SUV offered with 3 engines (2L 4-cyl turbo, 3L 6-cyl supercharged, 3L 6-cyl turbo). Its most fuel-efficient configuration returns around 28 mpg (UK) / 23 mpg (US EPA) combined, with 22–28 mpg (UK) across all configurations. Owners often keep a Land Rover Discovery workshop manual to hand for servicing and repairs.
Related 2018 listings: Land Rover Discovery Sport.
Compared with the 2017 Land Rover Discovery: Fuel economy is essentially unchanged at around 28 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 3L 6-cyl turbo |
|---|---|
| Engine options | 2L 4-cyl turbo · 3L 6-cyl supercharged · 3L 6-cyl turbo |
| Transmission (most efficient) | Automatic (S8) |
| Fuel Type | Diesel |
| Powertrain | Conventional |
| Drive | 4-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 28 combined / 25 urban / 31 extra-urban mpg |
| Fuel Economy (US EPA) | 23 combined / 21 city / 26 highway mpg |
| CO₂ Emissions | 278 g/km |
| EPA Greenhouse Gas Score | 4 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,150 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2018 Land Rover Discovery across 3 engines (2L 4-cyl turbo, 3L 6-cyl supercharged, 3L 6-cyl turbo). Combined fuel economy ranges from 18 to 23 mpg (US), or 22 to 28 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 (S9) | All-Wheel Drive | 26 | 22 (21/25) | 245 | $3,750 |
| 3L 6-cyl supercharged | Automatic (S8) | 4-Wheel Drive | 22 | 18 (16/21) | 311 | $4,550 |
| 3L 6-cyl turbo | Automatic (S8) | 4-Wheel Drive | 28 | 23 (21/26) | 278 | $4,150 |
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 Land Rover Discovery
Running Costs: 2018 Land Rover Discovery
Covering around 8,000 miles a year in a 2018 Land Rover Discovery at 28 mpg combined, expect roughly 1,299 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,150 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 Land Rover Discovery 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 Land Rover Discovery (as of 6 October 2026). Most affected areas: Exterior lighting (2), Electrical system (1), Forward collision avoidance (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Electrical system — campaign 23V393000, reported 1 June 2023. Risk: Rear passenger doors that open while driving can increase the risk of a crash. An instrument cluster warning light that fails to alert the driver about unsecured doors can increase the risk of injury in the…
- Exterior lighting — campaign 21V117000, reported 25 February 2021. Risk: The driver may be unaware that the high beams are illuminated, reducing visibility for oncoming traffic, and increasing the risk of a crash.
- Exterior lighting — campaign 20V143000, reported 12 March 2020. Risk: If the trailer lights are not working, following traffic won't be aware the vehicle is slowing down or stopping, increasing the risk of a crash.
- Forward collision avoidance — campaign 18V625000, reported 13 September 2018. Risk: If the AEB does not intervene when needed, without warning, there would be an increased risk of a crash.
Owners have filed 59 complaints with NHTSA about the 2018 Land Rover Discovery. The most-reported areas are Power train (17), Unspecified (15), Engine (14). Complaints include 3 reported crashes. That is well above the median of 23 complaints across the 12 Land Rover Discovery model years in our data.
Used-buyer checklist for the 2018 Land Rover Discovery
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 · 11 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Transmission & drivetrain (17 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Lighting (2 recall campaigns) — Check every exterior light works and look for moisture inside the lamp housings.
- Engine (14 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
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 Land Rover Discovery compare to similar SUVs? SUVs in our database average around 27 mpg (UK) combined — this model sits close to that average, within 1 mpg. Its 278 g/km CO₂ figure is 25 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Land Rover models in our database average about 25 mpg (UK) combined on their most efficient configuration; the 2018 Land Rover Discovery's 28 mpg is 3 mpg above that make average.
Of the 12 Land Rover Discovery model years we cover, the 2018 is the most economical on its best configuration (28 mpg UK combined). See every Land Rover Discovery 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 Land Rover Discovery
Frequently Asked Questions
What engine does the 2018 Land Rover Discovery have?
EPA lists 3 engines for the 2018 Land Rover Discovery: 2L 4-cyl turbo, 3L 6-cyl supercharged, 3L 6-cyl turbo. The most fuel-efficient configuration pairs the 3L 6-cyl turbo with a automatic (s8).
What is the fuel economy of the 2018 Land Rover Discovery?
The most efficient configuration returns around 28 mpg (UK) combined, or 23 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 22 to 28 mpg.
How much does the 2018 Land Rover Discovery cost to fuel per year?
The US EPA estimates about $4,150 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 Land Rover Discovery have any recalls?
NHTSA lists 4 safety recall campaigns that include the 2018 Land Rover Discovery (as of 6 October 2026). Most affected areas: Exterior lighting (2), Electrical system (1), Forward collision avoidance (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 Land Rover Discovery?
Among the 59 owner complaints filed with NHTSA, the most-reported areas are Power train (17 complaints), Unspecified (15 complaints), Engine (14 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Land Rover Discovery's fuel economy good for an SUV?
Yes — it returns around 28 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.