2027 BMW i5 VS. 2027 PORSCHE TAYCAN: WHICH ELECTRIC SEDAN WINS?
The 2027 BMW i5 eDrive40 delivers 310 miles of EPA range on an 84.3 kWh battery with NACS fast charging standard. The Taycan's 105-kWh battery charges faster at 320 kW peak DC, but the i5 offers a longer base range figure. This comparison covers powertrain, interior, technology, and ownership so you can decide which vehicle fits your life.
THE SHORT ANSWER.
BMW i5 wins for buyers who prioritize daily range, five-passenger practicality, and seamless BMW ConnectedDrive integration at a lower entry point in the electric sedan segment. The Porsche Taycan wins for buyers who want a sharper track-oriented character, a wider model ladder from RWD base to 1,019-hp Turbo GT, and a faster peak DC charging rate. Both are serious, well-built electric sedans, the decision comes down to whether range or outright performance ceiling matters more to you.
BMW i5 full specs and model guide
SPECS HEAD-TO-HEAD.
| Category | 2027 BMW i5 eDrive40 | 2027 Porsche Taycan (RWD base) |
|---|---|---|
| Battery (usable) | 84.3 kWh | 105 kWh gross (97 kWh net, Performance Battery Plus) |
| Horsepower | 335 hp | 429 hp (overboost with Launch Control) |
| Drivetrain | RWD | RWD |
| EV range | 310 miles | Not yet EPA-certified |
| Peak DC charge rate | 205 kW | 320 kW |
| DC charge time (10-80%) | 30 min | 18 min |
| Seating | 5 | 4 |
| Cargo (behind 2nd row) | 17.3 cu ft | 14.3 cu ft |
| Front trunk volume | Does not have a front trunk | 2.9 cu ft |
| Curb weight (RWD base) | 4,916 lbs | 4,802 lbs |
| Basic warranty | 3 yr / 36,000 mi | 4 yr / 50,000 mi |
| HV battery warranty | 8 yr / 100,000 mi | 8 yr / 100,000 mi |
Note: AWD BMW i5 xDrive40 is also available. Taycan AWD variants (Taycan 4, 4S, GTS, Turbo, Turbo S, Turbo GT) carry significantly higher output figures and are a separate purchasing decision.
EPA range ratings for 2027 BMW i5

PERFORMANCE AND POWERTRAIN.
The BMW i5 eDrive40 uses a single rear permanent-magnet synchronous motor producing 335 hp. The xDrive40 adds a front motor for AWD capability. Both models draw from the same 84.3 kWh usable battery and charge via a NACS port at up to 205 kW DC, recovering a ten-to-80-percent charge in approximately 30 minutes. Two Energy Recuperation Modes let the driver tune one-pedal feel to their preference.
The base Porsche Taycan (RWD) uses a single rear permanent-magnet synchronous motor with a unique two-speed rear transmission. With the Performance Battery Plus, overboost power with Launch Control reaches 429 hp, and DC peak charging hits 320 kW, cutting the ten-to-80-percent window to 18 minutes. That twelve-minute charging advantage is real and matters on longer road trips where station time adds up.
The Taycan's broader lineup is relevant context: the Taycan 4S reaches 590 hp in overboost, the GTS hits 690 hp, and the Turbo GT tops 1,019 hp. BMW i5 buyers who want a higher output ceiling should look at the BMW i5 xDrive40 or note that the BMW i5 M60 (593 hp, 3.7-second 0-60) sits at the top of the i5 range.
Performance verdict: Taycan charges faster and offers a broader power range across its lineup. BMW i5 delivers a longer base range and a more accessible entry into the electric sedan segment.
INTERIOR, SPACE, AND CARGO.
The BMW i5 is a five-seat sedan with 17.3 cu ft of cargo space behind the second row. That seating count is a practical edge, the Taycan's sport sedan profile accommodates four occupants in its standard configuration.
The Taycan's front trunk adds 2.9 cu ft of storage, which partially offsets its smaller rear cargo area. The Taycan's lower, more steeply raked roofline is optimized for visual drama and aerodynamic efficiency rather than rear headroom. Buyers who regularly carry three adults in the back seat, or who transport family members on longer drives, will find the i5's roomier packaging more comfortable day to day.
Inside the BMW i5, BMW Operating System 8.5 powers the infotainment interface. Available features include the Sky Lounge Panoramic Roof and BMW Iconic Glow Kidney Grille. The i5 also carries forward BMW's refined interior build quality and material selection, consistent with the broader 5 Series Sedan character.

The Taycan's interior centers on Porsche Communication Management with five times more computing power than the previous generation, a magnetic wireless phone charger with a 25-watt charge rate, and available 18-way adaptive sport seats. The Taycan GTS and above add Race-Tex headliner material and GTS-specific interior accents that tilt the environment toward a track-day atmosphere.
Space verdict: BMW i5 seats five and offers more rear cargo volume. Taycan suits buyers who prioritize a sport-cockpit feel over maximum passenger capacity.
TECHNOLOGY AND SAFETY.

BMW i5.
Both vehicles include wireless Apple CarPlay and Android Auto. The BMW i5 adds BMW Digital Key Plus (smartphone as key), My BMW App with remote lock/unlock, and available Driving Assistant Professional with Distance Control, Steering Assistant, Lane Change Assistant, Evasion Assistant, and Highway Assistant with Active Lane Change. Plug and Charge capability at Tesla Supercharger and IONNA stations ships with the i5, requiring no app authentication to begin charging.\n\nStandard safety on the BMW i5 includes Active Blind Spot Detection, Lane Keeping Assistant, Forward Collision Mitigation, Speed Limit Assistant, Dynamic Stability Control, Dynamic Traction Control, and Cornering Brake Control. Available Parking Assistant Plus adds interior and exterior cameras, and available Remote Control Parking (Parking Assistant Professional) lets the driver move the vehicle in or out of tight spaces from up to 650 ft away.

PORSCHE TAYCAN.
The Taycan's updated PCM brings an AI-powered voice assistant that can open charging ports on command, configurable in-car app downloads, and wireless charging with a magnetic lock ring. Standard assistance includes Lane Change Assist, Lane Keep Assist, Traffic Sign Recognition, Warn and Brake Assist, and Driver Awareness Detection. Porsche Connect is included for ten years with data coverage for four years.\n\nOne notable Taycan charging consideration: NACS access currently requires the Porsche CCS DC Adapter included as an accessory, with the NACS port itself on the passenger side for DC and the J1772 AC port on the driver side. The BMW i5 uses a single NACS port as its native interface and includes a CCS adapter.
Technology verdict: BMW i5's native NACS port and Plug and Charge integration simplify public charging. Taycan's PCM with app downloads and AI voice control offer a more configurable digital environment.
BMW ConnectedDrive features on the i5
VALUE AND OWNERSHIP.
The BMW i5 includes BMW Ultimate Care maintenance coverage bundled with the three-year/36,000-mile basic warranty, reducing scheduled service costs in the ownership cycle. Both vehicles carry matching eight-year/100,000-mile high-voltage battery coverage.
The Porsche Taycan carries a four-year/50,000-mile basic warranty that beats the i5 by one year and 14,000 miles. Porsche Connect connectivity is included for ten years, with four years of unlimited data.
The BMW i5 eDrive40 and xDrive40 include the Flexible Fast Charger (120V and 240V compatible) in the purchase. The Taycan includes a Porsche Mobile Charger, a Basic Wall Mount, and supply cables for NEMA 14-50 and standard U.S. outlets.
Both vehicles charge at Tesla Supercharger locations using NACS-compatible hardware. The Taycan's 320 kW peak DC rate provides a faster top-up speed compared to the i5's 205 kW peak, a meaningful advantage if you regularly drive beyond the i5's 310-mile range on a single charge.
Ownership verdict: BMW i5's included maintenance coverage and 310-mile range reduce total cost of operation for daily commuters. Taycan's longer basic warranty and 320 kW charging rate benefit drivers who push range limits frequently.
WHICH ONE SHOULD YOU BUY.
CHOOSE THE BMW i5 IF:
- You carry five passengers regularly and need a full rear seat.
- Daily range confidence matters more than peak charging speed.
- You want BMW Ultimate Care maintenance bundled into ownership.
- You prefer a native NACS port with Plug and Charge at Supercharger and IONNA stations without adapters.
- BMW ConnectedDrive, Digital Key Plus, and BMW Operating System 8.5 fit your digital ecosystem.
CHOOSE THE PORSCHE TAYCAN IF:
- You want a higher-output model ceiling, from the base RWD to the 1,019-hp Turbo GT.
- You value a four-year/50,000-mile basic warranty and ten-year Porsche Connect inclusion.
- Faster peak DC charging (320 kW, 18-minute 10-80% window) is a priority on road trips.
- A sport-cockpit interior with race-derived seat options and Race-Tex materials matches your preference.
- Four occupants is sufficient seating for your typical use.
SEE THE BMW i5 IN KNOXVILLE AT GRAYSON BMW.
The 2027 BMW i5 eDrive40 and xDrive40 are available now through Grayson BMW, serving Knoxville and the surrounding region. Test-drive the vehicle that delivers 310 miles of range, NACS fast charging, and BMW Operating System 8.5 in a five-passenger executive sedan, and compare it against the Taycan side by side with a Grayson BMW product specialist.
FREQUENTLY ASKED QUESTIONS.
Does the 2027 BMW i5 have a longer range than the 2027 Porsche Taycan?
Yes, based on verified specs. The BMW i5 eDrive40 is rated at 310 miles of EV range. Verified EPA range figures for the 2027 Taycan have not been published by Porsche yet, so a direct EPA-to-EPA comparison is not possible here. The i5's 310-mile figure is its confirmed U.S. rating.
Which vehicle charges faster, the BMW i5 or the Porsche Taycan?
The Porsche Taycan charges faster at its peak DC rate. The Taycan accepts up to 320 kW DC and covers a ten-to-80-percent charge in approximately 18 minutes. The BMW i5 peaks at 205 kW DC and covers the same window in approximately 30 minutes. For daily home or Level 2 public charging, both vehicles are comparable in practical terms.
Does the BMW i5 have five seats while the Taycan has four?
Yes. The BMW i5 is configured for five passengers. The Taycan's sport sedan body style accommodates four occupants in most models. The Taycan Turbo GT with Weissach Package reduces to two seats. Buyers who regularly carry a fifth passenger should factor this into their decision.
Does the BMW i5 work at Tesla Superchargers?
Yes. The BMW i5 has a native NACS charge port and includes Plug and Charge capability at Tesla Supercharger and IONNA stations. A CCS adapter is included for stations that have not yet migrated to NACS.
What is the warranty difference between the BMW i5 and the Porsche Taycan?
The BMW i5 carries a three-year/36,000-mile basic warranty with BMW Ultimate Care maintenance included, plus an eight-year/100,000-mile high-voltage battery warranty. The Taycan carries a four-year/50,000-mile basic and powertrain warranty, plus an eight-year/100,000-mile battery warranty. The Taycan holds the longer basic coverage; the i5 adds bundled maintenance value.
Is the BMW i5 xDrive40 available with AWD?
Yes. The BMW i5 lineup includes the eDrive40 (RWD) and xDrive40 (AWD). The xDrive40 adds a front motor alongside the rear motor for all-wheel drive capability. Both models use the same 84.3 kWh usable battery.
Can I test-drive the BMW i5 near Knoxville?
Yes. Grayson BMW in Knoxville carries BMW i5 inventory. Contact the dealership or use the scheduling link on this page to arrange a test drive.