2018 Porsche 911

US · Coupe · Minicompact Cars

Generation: 991 (2012 – 2019) →

The 2018 Porsche 911 is listed in the US market as a coupe with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine: Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 3.8L 6-cylinder turbocharged (SIDI), 4.0L 6-cylinder (SIDI)
Power: 389 hp (290 kW)
Torque: 332 lb-ft (450 Nm)
Transmission: Varies by configuration: Dual-clutch, Manual
Drivetrain: Varies by configuration: RWD, 4WD, AWD
Fuel: Gasoline
Economy: 16 mpg (14.7 L/100 km) to 25 mpg (9.4 L/100 km) combined
Seating: 4 seats

Exterior (Front)

Photo: Alexander Migl (CC BY-SA 4.0) · CC BY-SA 4.0

Specifications at a Glance

Key Performance & Dimensions

Units:

Engine / Powertrain

3.0L 6-cylinder turbocharged (SIDI), 3.8L 6-cylinder turbocharged (SIDI), 4.0L 6-cylinder (SIDI)

Power Output

389 hp (290 kW)

Peak Torque

332 lb-ft (450 Nm)

Combined Economy

16 mpg (14.7 L/100 km) to 25 mpg (9.4 L/100 km) combined

Drivetrain

RWD, 4WD, AWD

Transmission

Dual-clutch, Manual

Capacity

4 seats · 2 doors

Exterior Dimensions

178.8″ L × 72.9″ W × 51.1″ H

Curb Weight

3,373 lbs (1,530 kg)

Market: US·Switch units to convert the figures shown.

Compare 2018 Porsche 911 ↗

Engine

Engine
Specification	Value	Source
Engine	Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 3.8L 6-cylinder turbocharged (SIDI), 4.0L 6-cylinder (SIDI)
Displacement	3.0 L to 4.0 L
Cylinders	6
Aspiration	Turbocharged
Power	389 hp (290 kW)
Torque	332 lb-ft (450 Nm)
Fuel type	Gasoline	EPA fueleconomy.gov

Performance

Performance
Specification	Value	Source
0–100 km/h	4.0 s
Top speed	183 mph (294 km/h)

Transmission and drivetrain

Transmission and drivetrain
Specification	Value	Source
Transmission	Varies by configuration: Dual-clutch, Manual
Gears	6 to 7
Drivetrain	Varies by configuration: RWD, 4WD, AWD

Dimensions

Dimensions
Specification	Value	Source
Length	178.8 in (4,542 mm)
Width	72.9 in (1,852 mm)
Height	51.1 in (1,298 mm)
Wheelbase	96.5 in (2,450 mm)

Weight

Weight
Specification	Value	Source
Curb weight	3,373 lb (1,530 kg)

Fuel economy and range

Fuel economy and range
Specification	Value	Source
Combined	16 mpg (14.7 L/100 km) to 25 mpg (9.4 L/100 km)	EPA fueleconomy.gov
City	13 mpg (18.1 L/100 km) to 22 mpg (10.7 L/100 km)
Highway	20 mpg (11.8 L/100 km) to 30 mpg (7.8 L/100 km)

Capacity

Capacity
Specification	Value	Source
Seats	4
Doors	2

Our sources do not publish these for this vehicle: Towing capacity, Payload, Ground clearance, Gross vehicle weight rating, Electric range, Battery capacity, Fuel tank, Cargo volume. We leave them out instead of estimating.

Trims and configurations

41 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Showing 40 of 41.

Recalls

NHTSA lists 1 recall campaign for this model year. Last checked November 10, 2026.

19V179000: AIR BAGS
Porsche Cars North America, Inc. (Porsche) is recalling certain 2018 718 Boxster, Boxster S and Boxster GTS, 718 Cayman, Cayman S and Cayman GTS, 911 Carrera, Carrera T, Targa 4 GTS, Carrera 4, Carrera S, Carrera 4S, Carrera GTS, Carrera 4 GTS, Carrera Cabriolet, Carrera S Cabriolet, Carrera 4S Cabriolet, Carrera GTS Cabriolet, Carrera 4 GTS Cabriolet, Targa 4, Targa 4S, Turbo, Turbo S, Turbo S…
Remedy: Porsche will notify owners, and dealers will tighten the air bag sensors, as necessary, free of charge. The recall began May 17, 2019. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is…
Reported March 6, 2019. View on NHTSA

Data sources

EPA fueleconomy.gov · retrieved November 5, 2026 · US Government public data
NHTSA vPIC · retrieved October 12, 2026 · US Government public data

Source checked: November 5, 2026

Data verified: November 5, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Related vehicles

2017 Porsche 911
Coupe, Gasoline
Varies by configuration: 3.8L 6-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI) · 389 hp (290 kW) · Varies by configuration: AWD, RWD, 4WD
25 mpg (9.4 L/100 km) to 21 mpg (11.2 L/100 km)
2019 Porsche 911
Coupe, Gasoline
Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 4.0L 6-cylinder (SIDI), 3.8L 6-cylinder turbocharged (SIDI) · 389 hp (290 kW) · Varies by configuration: RWD, 4WD, AWD
25 mpg (9.4 L/100 km) to 16 mpg (14.7 L/100 km)

Frequently asked questions

What engine does the 2018 Porsche 911 have?

Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 3.8L 6-cylinder turbocharged (SIDI), 4.0L 6-cylinder (SIDI). Engines can differ by trim, so check the trim list below.

How much horsepower does the 2018 Porsche 911 have?

389 hp (290 kW), as listed by our sources.

What is the fuel economy of the 2018 Porsche 911?

Combined fuel economy is 16 mpg (14.7 L/100 km) to 25 mpg (9.4 L/100 km), as published by the source shown in the specification table.

Is the 2018 Porsche 911 front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: RWD, 4WD, AWD.

How many seats does the 2018 Porsche 911 have?

4 seats.

How long is the 2018 Porsche 911?

178.8 in (4,542 mm).

Are there recalls for the 2018 Porsche 911?

NHTSA lists 1 recall campaign for this model year (last checked November 10, 2026). Details are in the Recalls section.