--- title: "2012 Nissan Sentra Specs: Weight, Fuel Tank, MPG" description: "Fuel tank 14.5 gallons. Curb weight, fuel economy, ground clearance and other key numbers for the 2012 Nissan Sentra, by engine and drivetrain." url: "https://whichcarparts.com/cars/nissan/sentra/2012/specs" updated: "2026-08-20" --- # 2012 Nissan Sentra Specifications Fuel tank 14.5 gallons. Curb weight, fuel economy, ground clearance and other key numbers for the 2012 Nissan Sentra, by engine and drivetrain. **Quick answer**: The 2012 Nissan Sentra holds 14.5 gallons of fuel and is rated 26 city / 34 hwy (2.0 CVT); 23/30 (SE-R CVT); 21/28 (SE-R Spec V 6MT, premium recommended). ## 2012 Nissan Sentra key specs | Spec | Value | | --- | --- | | Fuel tank | 14.5 gallons | | Fuel economy | 26 city / 34 hwy (2.0 CVT); 23/30 (SE-R CVT); 21/28 (SE-R Spec V 6MT, premium recommended) | | Curb weight | 2,906 lbs | | Key fob battery | CR2025 (Intelligent Key and keyfob remote) | ## 2012 Nissan Sentra engines | Engine | Trims | Power | Fuel | | --- | --- | --- | --- | | 2.0L 4-cylinder (MR20DE) | 2.0, 2.0 S, 2.0 SR, 2.0 SL | 140 hp | Regular 87 octane | | 2.5L 4-cylinder (QR25DE, SE-R / SE-R Spec V) | SE-R (CVT, 177 hp), SE-R Spec V (6MT, 200 hp), final year for both | 177 hp | Regular 87 octane (SE-R); premium 91 recommended for SE-R Spec V | ## Which Nissan Sentra model years does this cover? These specs specifications apply to every Nissan Sentra built from 2012 through 2012, the B16 (6th generation, final year), compact sedan. Nothing in this specification changes between those model years. - [2012 Sentra](https://whichcarparts.com/cars/nissan/sentra/2012) ## What changed during the 2012 Nissan Sentra | Years | What changed | | --- | --- | | 2012 | Final year of the B16 generation and the last year for the SE-R and SE-R Spec V performance trims. This file covers 2012 only; 2007-2011 cars are mechanically similar. | ## 2012 Nissan Sentra specs: common questions ### How big is the fuel tank on a 2012 Nissan Sentra? 14.5 gallons. ### What does a 2012 Nissan Sentra weigh? About 2,906 lbs at the curb, before passengers and cargo. ### What gas mileage does a 2012 Nissan Sentra get? 26 city / 34 hwy (2.0 CVT); 23/30 (SE-R CVT); 21/28 (SE-R Spec V 6MT, premium recommended) on the EPA cycle. ## Sources - [2012 Nissan Sentra Owner's Manual (capacities, tires, plugs, CVT NS-2, CR2025)](https://www.nissan-techinfo.com/refgh0v/og/sentra/2012-Nissan-Sentra.pdf) - [AMSOIL lookup, 2012 Sentra 2.0L MR20DE (5W-30, 4.1 qt, drain plug 22-29 ft-lb)](https://www.amsoil.com/lookup/auto-and-light-truck/2012/nissan-datsun/sentra/2-0l-4-cyl-engine-code-mr20de-c/) - [Goodyear tire fitment, 2012 Nissan Sentra by trim](https://www.goodyear.com/en-us/vehicles/Nissan/Sentra/2012) - [Nissan parts, 16546-ET00J engine air filter, 2007-2012 Sentra](https://nissan.oempartsonline.com/oem-parts/nissan-engine-air-filter-16546et00j) - [Nissan parts, 22401-JA01B spark plug, 2008-2012 Sentra 2.0](https://www.nissanpartsdeal.com/oem-nissan-sentra-spark_plug.html) - [CarComplaints, 2012 Sentra transmission failure reports](https://www.carcomplaints.com/Nissan/Sentra/2012/transmission/transmission_failure.shtml) - [fueleconomy.gov, 2012 Nissan Sentra EPA ratings](https://www.fueleconomy.gov/feg/bymodel/2012_Nissan_Sentra.shtml) ## Other Nissan Sentra generations - [2020-2025 Nissan Sentra specs](https://whichcarparts.com/cars/nissan/sentra/2020-2025/specs) - [2013-2019 Nissan Sentra specs](https://whichcarparts.com/cars/nissan/sentra/2013-2019/specs) Or [compare all generations](https://whichcarparts.com/cars/nissan/sentra/specs). ## More for the 2012 Nissan Sentra - [Oil & filter](https://whichcarparts.com/cars/nissan/sentra/2012/oil) - [Battery](https://whichcarparts.com/cars/nissan/sentra/2012/battery) - [Tires & wheels](https://whichcarparts.com/cars/nissan/sentra/2012/tires) - [Wiper blades](https://whichcarparts.com/cars/nissan/sentra/2012/wipers) - [Air & cabin filters](https://whichcarparts.com/cars/nissan/sentra/2012/filters) - [Bulbs](https://whichcarparts.com/cars/nissan/sentra/2012/bulbs) - [Brakes](https://whichcarparts.com/cars/nissan/sentra/2012/brakes) - [Fluids](https://whichcarparts.com/cars/nissan/sentra/2012/fluids) - [Service schedule](https://whichcarparts.com/cars/nissan/sentra/2012/service-schedule) - [Problems & reliability](https://whichcarparts.com/cars/nissan/sentra/2012/common-problems) - [Oil light reset](https://whichcarparts.com/cars/nissan/sentra/2012/oil-reset) - [Key fob battery](https://whichcarparts.com/cars/nissan/sentra/2012/key-fob-battery) Specifications vary with engine option, production date, and market.