2018 Alfa Romeo Giulia — Full Specifications
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The 2018 Alfa Romeo Giulia is a saloon/sedan offered with 2 engines (2L 4-cyl turbo, 2.9L 6-cyl turbo). Its most fuel-efficient configuration returns around 32 mpg (UK) / 27 mpg (US EPA) combined, with 24–32 mpg (UK) across all configurations. Owners often keep a Alfa Romeo Giulia workshop manual to hand for servicing and repairs.
Compared with the 2017 Alfa Romeo Giulia: Fuel economy is essentially unchanged at around 32 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 2L 4-cyl turbo |
|---|---|
| Engine options | 2L 4-cyl turbo · 2.9L 6-cyl turbo |
| Transmission (most efficient) | Automatic 8-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Saloon/Sedan |
| Length | 4639 mm |
| Width | 1873 mm |
| Height | 1426 mm |
| Passenger Volume (EPA) | 100 cu ft (2,832 L) |
| Luggage Volume (EPA) | 12 cu ft (340 L) |
| Fuel Economy (UK) | 32 combined / 29 urban / 40 extra-urban mpg |
| Fuel Economy (US EPA) | 27 combined / 24 city / 33 highway mpg |
| CO₂ Emissions | 205 g/km |
| EPA Greenhouse Gas Score | 6 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,050 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2018 Alfa Romeo Giulia across 2 engines (2L 4-cyl turbo, 2.9L 6-cyl turbo). Combined fuel economy ranges from 20 to 27 mpg (US), or 24 to 32 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 8-spd | All-Wheel Drive | 31 | 26 (23/31) | 216 | $3,150 |
| 2L 4-cyl turbo | Automatic 8-spd | Rear-Wheel Drive | 32 | 27 (24/33) | 205 | $3,050 |
| 2.9L 6-cyl turbo | Automatic 8-spd | Rear-Wheel Drive | 24 | 20 (17/24) | 280 | $4,100 |
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 100 cubic feet (about 2,832 litres) and luggage volume at 12 cubic feet (about 340 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 Alfa Romeo Giulia
Running Costs: 2018 Alfa Romeo Giulia
Covering around 8,000 miles a year in a 2018 Alfa Romeo Giulia at 32 mpg combined, expect roughly 1,136 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,050 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.
Only need this car occasionally? See our buy vs rent comparison.
2018 Alfa Romeo Giulia 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 9 safety recall campaigns that include the 2018 Alfa Romeo Giulia (as of 6 October 2026). Most affected areas: Service brakes (2), Electrical system (2), Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Fuel system — campaign 25V586000, reported 9 September 2025. Risk: A loss of drive power increases the risk of a crash.
- Equipment — campaign 24V512000, reported 3 July 2024. Risk: Incorrect tire information can result in under-inflated tires or installing the incorrect-size tires, increasing the risk of a crash.
- Air bags — campaign 24V510000, reported 3 July 2024. Risk: A front seat air bag that does not deploy as intended can increase the risk of injury in a crash.
- Service brakes — campaign 23V382000, reported 30 May 2023. Risk: An unexpected decrease in brake performance increases the risk of a crash.
Showing the 4 most recent of 9 campaigns.
Owners have filed 86 complaints with NHTSA about the 2018 Alfa Romeo Giulia. The most-reported areas are Fuel/propulsion system (31), Engine (21), Electrical system (19). Complaints include 6 reported crashes, 1 reported fire, 5 reported injuries.
Used-buyer checklist for the 2018 Alfa Romeo Giulia
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Fuel system (1 recall campaign · 31 owner complaints) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
- Electrical system (2 recall campaigns · 19 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Engine (21 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- 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
At 32 mpg (UK) combined it sits close to the 32 mpg average for Alfa Romeo models in our database.
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 Alfa Romeo Giulia
Frequently Asked Questions
What engine does the 2018 Alfa Romeo Giulia have?
EPA lists 2 engines for the 2018 Alfa Romeo Giulia: 2L 4-cyl turbo, 2.9L 6-cyl turbo. The most fuel-efficient configuration pairs the 2L 4-cyl turbo with a automatic 8-spd.
What is the fuel economy of the 2018 Alfa Romeo Giulia?
The most efficient configuration returns around 32 mpg (UK) combined, or 27 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 24 to 32 mpg.
How much does the 2018 Alfa Romeo Giulia cost to fuel per year?
The US EPA estimates about $3,050 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 Alfa Romeo Giulia have any recalls?
NHTSA lists 9 safety recall campaigns that include the 2018 Alfa Romeo Giulia (as of 6 October 2026). Most affected areas: Service brakes (2), Electrical system (2), 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 Alfa Romeo Giulia?
Among the 86 owner complaints filed with NHTSA, the most-reported areas are Fuel/propulsion system (31 complaints), Engine (21 complaints), Electrical system (19 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 Alfa Romeo Giulia have?
EPA measures interior passenger volume at 100 cubic feet (about 2,832 litres) and luggage volume at 12 cubic feet (about 340 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.