DecodedCars2015 Infiniti Q70
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2015 models.
- Class
- Midsize Cars
- Body styles
- 3.7 AWD 4dr Sedan, 3.7 AWD Sport 4dr Sedan, 5.6 AWD Premium/Sport 4dr Sedan, Hybrid 4dr Sedan
- Engines
- 3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl
- Drivetrain
- Rear-Wheel Drive, All-Wheel Drive
- Fuel
- Hybrid, Premium Gasoline
- MPG (best)
- 31 combined · 29 city / 33 hwy
- Length
- 196.1–202 in
- Curb weight
- 3,863–4,361 lb
- NHTSA rating
- Not rated
- Recalls
- 2 campaigns
Pros & cons
What's good
- Excellent fuel economyUp to 31 MPG combined — 21% better than the average 2015 midsize car (25.7 MPG).
- Hybrid version availableOffered as a hybrid as well as gas.
- AWD / 4WD available
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 29 similar 2015 models — not a review. How we calculate this →
Overview
The 2015 Infiniti Q70 is a midsize car offered with 3 engines (3.5L 6-cyl, 3.7L 6-cyl and 5.6L 8-cyl), including a hybrid version and rear-wheel drive and all-wheel drive.
It measures about 196 inches long and 73 inches wide on a 114-inch wheelbase, with a curb weight of roughly 3,863 lb (3.7 AWD 4dr Sedan).
EPA rates its most efficient version at 31 MPG combined (29 city / 33 highway), 21% better than the 2015 midsize car average of 25.7 MPG, for an estimated $2,650 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 2 recall campaigns on file and owners have filed 14 complaints with NHTSA since 2015, most often about the power train.
What changed for 2015
- Lightest version 165 lb lighter
Compared with 2014; trim, feature and price changes aren't covered. See the 2014 Q70 →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 3.7 AWD 4dr Sedan | 196.1 in | 72.8 in | 59.8 in | 114.2 in | 62.2 / 61.8 in | 3,863 lb | 54/46 |
| 3.7 AWD Sport 4dr Sedan | 196.1 in | 72.8 in | 59.8 in | 114.2 in | 62.2 / 61.8 in | 4,059 lb | 55/45 |
| 5.6 AWD Premium/Sport 4dr Sedan | 196.1 in | 72.8 in | 59.8 in | 114.2 in | 62.2 / 61.8 in | 4,147 lb | 57/43 |
| Hybrid 4dr Sedan | 196.1 in | 72.8 in | 59.8 in | 114.2 in | 62.2 / 61.8 in | 4,198 lb | 52/48 |
| L 5.6 AWD 4dr Sedan | 202 in | 72.8 in | 59.8 in | 120.1 in | 62.2 / 61.8 in | 4,361 lb | 57/43 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| Q70 Hybrid Hybrid | 3.5L 6-cyl | Automatic (S7) | Rear-Wheel Drive | 29 / 33 / 31 | +21% | $2,650 | 289 |
| Q70 | 3.7L 6-cyl | Automatic (S7) | Rear-Wheel Drive | 18 / 26 / 21 | -18% | $3,900 | 429 |
| Q70 AWD | 3.7L 6-cyl | Automatic (S7) | All-Wheel Drive | 18 / 24 / 20 | -22% | $4,100 | 444 |
| Q70 | 5.6L 8-cyl | Automatic (S7) | Rear-Wheel Drive | 16 / 24 / 19 | -26% | $4,350 | 464 |
| Q70 AWD | 5.6L 8-cyl | Automatic (S7) | All-Wheel Drive | 16 / 23 / 18 | -30% | $4,550 | 487 |
EPA estimates; "vs. class" is combined MPG against the 2015 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2015 Infiniti Q70.
Similar 2015 midsize cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2015 Infiniti Q70 (this car) | 31 MPG | Not rated | 2 |
| 2015 BMW 5 Series | 30 MPG | Not rated | 0 |
| 2015 Mercedes-Benz E-Class | 25 MPG | Not rated | 0 |
| 2015 Audi A6 | 29 MPG | Not rated | 4 |
| 2015 Lexus LS | 20 MPG | Not rated | 1 |
| 2015 Tesla Model S | 270 mi | Not rated | 9 |
| 2015 Jaguar XJ | 21 MPG | Not rated | 3 |
Recalls (2)
Power Train › Driveline › Driveshaft · Jun 21, 2024
NHTSA campaign 24V470000 · 7,222 vehicles
- Problem
- Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. The driveshaft can fatigue and break.
- Risk
- A broken driveshaft can result in a loss of drive power, or a vehicle roll away when the vehicle is in park without the parking brake applied. Both scenarios can increase the risk of a crash.
- Fix
- Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.
Vehicle Speed Control › Accelerator Pedal · Sep 22, 2014
NHTSA campaign 14V583000 · 6,562 vehicles
- Problem
- Nissan North America, Inc. (Nissan) is recalling certain model year 2013-2014 Infiniti M35 hybrid vehicles manufactured April 7, 2012, to September 9, 2013, 2014 Infiniti Q50 hybrid vehicles manufactured December 10, 2012, to July 15, 2014, and 2014-2015 Infiniti Q70 hybrid vehicles manufactured April 9, 2010, to May 7, 2014. Due to a software error, In the affected vehicles, if the signal is lost from one of the two throttle position sensors (TPS), the engine control module (ECM) will go into a fail-safe mode, partially closing the throttle chamber. Should the lost signal be restored, the throttle chamber may open, regardless of the position signal from the TPS.
- Risk
- The vehicle may gradually accelerate due to the throttle chamber reopening. This unexpected acceleration may increase the risk of a crash.
- Fix
- Nissan will notify owners, and dealers will reprogram the ECM, free of charge. The recall began on November 10, 2014. Owners may contact Nissan customer service at 1-800-647-7261.
Not every 2015 Infiniti Q70 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2015 Infiniti Q70 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 2 recalls this year — ask for proof of repairs.
- Power Train — 7 owner reports. Test-drive through all gears, including reverse; note slipping, harsh or delayed shifts.
- Vehicle Speed Control — 2 owner reports. Ask the seller and mechanic specifically about this system.
- Visibility › Sun/Moon Roof Assembly — 1 owner reports. Check all exterior lights, wipers and the windshield for cracks.
- Mileage to watch. Owners typically reported problems around 23,000 miles; ask what was repaired near that point.
- Hybrid system. Check for hybrid-system warning lights and ask whether the high-voltage battery has been replaced or is still under warranty.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2015 Infiniti Q70. Not a substitute for a professional inspection.
Other Q70 years
Compare all years →Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Infiniti. How we calculate this →