2018 Cadillac ATS-V — Full Specifications
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The 2018 Cadillac ATS-V is a saloon/sedan powered by a 3.6L 6-cyl turbo premium gasoline engine. Its most fuel-efficient configuration returns around 24 mpg (UK) / 20 mpg (US EPA) combined, with 23–24 mpg (UK) across all configurations. Owners often keep a Cadillac ATS-V workshop manual to hand for servicing and repairs.
Compared with the 2017 Cadillac ATS-V: Fuel economy is essentially unchanged at around 24 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 4★ overall NHTSA rating. EPA passenger volume changes from 91 to 96 cu ft.
Full Specifications
| Engine | 3.6L 6-cyl turbo |
|---|---|
| Transmission | Automatic (S8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 96 cu ft (2,718 L) |
| Luggage Volume (EPA) | 14 cu ft (396 L) |
| Fuel Economy (UK) | 24 combined / 20 urban / 30 extra-urban mpg |
| Fuel Economy (US EPA) | 20 combined / 17 city / 25 highway mpg |
| CO₂ Emissions | 291 g/km |
| EPA Greenhouse Gas Score | 4 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,100 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2018 Cadillac ATS-V, all with the 3.6L 6-cyl turbo engine. Combined fuel economy ranges from 19 to 20 mpg (US), or 23 to 24 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 |
|---|---|---|---|---|---|---|
| 3.6L 6-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 24 | 20 (17/25) | 291 | $4,100 |
| 3.6L 6-cyl turbo | Manual 6-spd | Rear-Wheel Drive | 23 | 19 (16/23) | 295 | $4,350 |
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 96 cubic feet (about 2,718 litres) and luggage volume at 14 cubic feet (about 396 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 Cadillac ATS-V
Running Costs: 2018 Cadillac ATS-V
Covering around 8,000 miles a year in a 2018 Cadillac ATS-V at 24 mpg combined, expect roughly 1,515 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,100 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.
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2018 Cadillac ATS-V Safety Ratings (NHTSA)
How It Compares
Cadillac models in our database average about 27 mpg (UK) combined on their most efficient configuration; the 2018 Cadillac ATS-V's 24 mpg is 3 mpg below that make average. Its 291 g/km CO₂ figure is 43 g/km higher than the 248 g/km Cadillac average.
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 Cadillac ATS-V
Frequently Asked Questions
What engine does the 2018 Cadillac ATS-V have?
It's fitted with a 3.6L 6-cyl turbo premium gasoline engine, paired with a automatic (s8) transmission.
What is the fuel economy of the 2018 Cadillac ATS-V?
The most efficient configuration returns around 24 mpg (UK) combined, or 20 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 23 to 24 mpg.
How much does the 2018 Cadillac ATS-V cost to fuel per year?
The US EPA estimates about $4,100 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 Cadillac ATS-V have a good safety rating?
It holds an overall NHTSA rating of 4 stars, with 4 stars for frontal crash protection.
How much interior and luggage space does the 2018 Cadillac ATS-V have?
EPA measures interior passenger volume at 96 cubic feet (about 2,718 litres) and luggage volume at 14 cubic feet (about 396 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.