Herb Chambers Cadillac of Lynnfield
2018 Cadillac ATS
Now available at Herb Chambers Cadillac of Lynnfield in Lynnfield, MA
- Starting MSRP$36,895
- Horsepower272–335 hp
- EPA MPG20–22 city / 30–31 hwy
- FuelPremium Unleaded (Recommended) / Regular Unleaded

The 2018 Cadillac ATS is a compact luxury sedan with a choice of four- or six-cylinder power, available at Herb Chambers Cadillac of Lynnfield in Lynnfield, MA. This page outlines the ATS range, including trim pricing, engine configurations, fuel economy, dimensions, cargo capacity, and key ownership considerations. Shoppers can also compare the ATS with other 2018 Cadillac models in the same size class, then explore current Cadillac options through the dealership’s live inventory. With automatic transmission, premium or regular unleaded fuel compatibility depending on configuration, and a choice of inline or V engine layouts, the ATS offers distinct ways to approach compact luxury sedan ownership.
- Starting MSRP
- $36,895
- Horsepower
- 272–335 hp
- EPA MPG
- 20–22 city / 30–31 hwy
- Fuel
- Premium Unleaded (Recommended) / Regular Unleaded
- Body Style
- Sedan
How the 2018 Cadillac ATS Compares With Cadillac’s Lineup
Pricing, power, fuel economy, and vehicle mission help separate the ATS from Cadillac’s larger sedans. The 2018 Cadillac ATS starts at $36,895, and MSRP excludes tax, title, registration and dealer fees.
| Spec | 2018 Cadillac ATS | 2018 Cadillac CTS | 2018 Cadillac XTS | 2018 Cadillac CT6 |
|---|---|---|---|---|
| Starting MSRP | $36,895 | $46,295 | $46,395 | $56,095 |
| Horsepower | 272–335 hp | 268–420 hp | 304–410 hp | 335–404 hp |
| EPA MPG | 20–22 city / 30–31 hwy | 16–22 city / 24–30 hwy | 17–19 city / 26–28 hwy | 18–62 city / 26–62 hwy |
| Fuel | Premium Unleaded (Recommended) / Regular Unleaded | Premium Unleaded (Recommended) / Regular Unleaded / Premium Unleaded (Required) | Regular Unleaded / Premium Unleaded (Required) | Regular Unleaded / Premium Unleaded (Recommended) / Premium Unleaded (Required) |
Manufacturer figures for the model year shown; a range spans that model's trims. Starting MSRP excludes tax, title, registration, and dealer fees.
Compared with the 2018 Cadillac CTS, the ATS has a lower starting MSRP of $36,895 versus $46,295, while the CTS offers 268–420 hp compared with the ATS range of 272 to 335 hp. The ATS’s compact sedan format may suit buyers focused on a lower entry price, while the CTS’s broader power range and 1,000-lb maximum towing figure may appeal to shoppers considering greater capability.
Compared with the 2018 Cadillac XTS, the ATS starts at $36,895 versus $46,395 and offers 272 to 335 hp versus the XTS range of 304–410 hp. The ATS returns 20–22 city and 30–31 highway MPG, while the XTS is rated at 17–19 city and 26–28 highway MPG; the XTS adds seating for 5 and Front Wheel Drive / All Wheel Drive configurations for buyers prioritizing space or drivetrain choice.
Compared with the 2018 Cadillac CT6, the ATS starts at $36,895 versus $56,095, while the CT6 offers 335–404 hp and 18–62 city / 26–62 highway MPG. The ATS is a compact sedan for buyers seeking a lower starting price, while the CT6 offers 5 seats, All Wheel Drive / Rear Wheel Drive, a 1,000-lb maximum towing figure, and 31 miles of electric range.
2018 Cadillac ATS Specifications and Configuration
The ATS is a sedan with an automatic 8-speed transmission. Across its four trims, engine displacement ranges from 2.0 to 3.6 L, horsepower from 272 to 335 hp, torque from 285 to 295 lb-ft, and cylinder count from 4 to 6.
Trim selection changes the character of the powertrain. The Luxury trim uses a 2.0 L inline four-cylinder engine with 272 hp, 295 lb-ft of torque, and premium unleaded recommended. Premium Luxury and Premium Performance use a 3.6 L V6 with 335 hp, 285 lb-ft of torque, and regular unleaded fuel.
EPA fuel economy ranges from 20 to 22 city MPG and 30 to 31 highway MPG. The ATS measures 182.8 inches long, 71.1 inches wide, and 55.9 inches high, with a 109.3-inch wheelbase, 3,373 to 3,461 lbs of curb weight, 16 gallons of fuel capacity, and 10.4 cu ft of cargo space behind the rear seats.
Buying a 2018 Cadillac ATS in Lynnfield, MA
Herb Chambers Cadillac of Lynnfield serves shoppers in Lynnfield, MA, from 395 Broadway, Rte 1 North. The dealership receives vehicles on a rolling basis, so the most reliable way to review current options is to search inventory.
Shopping support can also include reviewing purchase timing, comparing available Cadillac sedans, and evaluating a current vehicle for trade. Shoppers considering a trade can use the dealership’s trade-in tool to begin the process.
What to Weigh Before Buying
Trim choice determines whether the ATS uses a 2.0 L inline four-cylinder or a 3.6 L V6, along with the recommended fuel type, horsepower, torque, and fuel-economy range. Comparing those differences with intended driving habits can clarify which configuration fits best.
The ATS provides 10.4 cu ft of cargo space behind the rear seats and a 16-gallon fuel capacity. Its compact sedan dimensions may be important for shoppers balancing luxury appointments with everyday maneuverability and storage needs.
Before making a purchase decision, compare the ATS with the CTS, XTS, and CT6 based on starting price, power, fuel economy, seating, drivetrain, towing, and electric range where those figures matter to the intended use.