Modern car in a professional showroom setting

reviews September 14, 2023

2023 Porsche Taycan RWD 70 MPH Range Test: The Real-World Numbers That Matter

We ran the 2023 Porsche Taycan RWD at a steady 70 mph on the highway to find out how far it really goes. The result surprised us — in the best way.

By Marcus Holloway

The 2023 Porsche Taycan RWD doesn’t look like a car that needs defending. It sits low, wide, and purposeful — the kind of proportions that make people stop and stare even when it’s just parked at a charger. But spend any time reading EV forums and you’ll find the same complaint bubbling up: the Taycan’s EPA range numbers look weak next to some less expensive competitors.

The base Taycan with the standard 79.2 kWh battery is EPA-rated at just 208 miles combined. Even with the larger 93.4 kWh Performance Battery Plus — a $5,780 option — you’re looking at 225 miles EPA combined. That’s well below what a Tesla Model 3 Long Range or a Hyundai IONIQ 6 can deliver.

But here’s the thing about EPA estimates: they’re a starting point, not a finish line. We wanted to know what the 2023 Taycan RWD actually delivers at a sustained 70 mph on the highway. So we ran it. Here’s what we found.

What We Tested

The car in question was a 2023 Porsche Taycan RWD equipped with the 93.4 kWh Performance Battery Plus, 402 hp overboost mode, and 20-inch wheels wearing all-season tires. Total as-tested price came to roughly $98,700 including the $5,780 battery upgrade, $1,650 destination charge, and a few comfort and driver-assist packages.

Porsche’s 2023 model year also brought a software update that improved the Taycan’s energy efficiency and charge management across the board. The company claimed roughly 31 additional miles of range on Europe’s WLTP cycle — and our testing suggests that carries over to real-world highway driving.

The Test Route

We ran a 200-mile loop on divided highway at a locked 70 mph with the climate control set to 72°F on auto. The test included gentle rolling terrain — nothing extreme — and we drove it exactly like someone who wants to maximize range without hypermiling. No drafting, no lifting early for turns. Just steady, legal-speed highway cruising.

Average energy consumption came to approximately 286 Wh/mile over the full loop, which tracks closely with what InsideEVs recorded in their own 2023 Taycan RWD testing.

The Results

Metric	Value
[object Object]	100% (displayed 253 miles estimated range)
[object Object]	5%
[object Object]	~297 miles
[object Object]	70 mph
[object Object]	~286 Wh/mile
[object Object]	~1.18x highway efficiency factor

At 70 mph, the Taycan RWD covered approximately 297 miles before the low-charge warning appeared. That’s a meaningful 32% above its EPA combined estimate, and it tracks with what other independent testers have recorded on this platform.

For context, InsideEVs ran a 2023 Taycan RWD on their standardized 70 mph highway loop and recorded 281 miles in suboptimal conditions (strong crosswind and cooler temperatures) and closer to 290 miles in more favorable weather. Our result of 297 miles sits at the optimistic end of that range, which tracks with ideal late-summer conditions and conservative driving.

By comparison, the same platform with the updated 2024 software scored 330 miles in Car and Driver’s 75 mph highway test — a testament to how much Porsche has squeezed out of the J1 architecture over time.

How the Taycan RWD Drives at Speed

The Taycan’s strength has never been raw range — it’s how it goes about the business of being an EV that happens to be genuinely fun to drive.

At 70 mph, the RWD Taycan feels planted and composed. The low center of gravity (battery floor, not engine) means the nose stays flat through gentle undulations, and the steering is direct without being nervous. Wind noise is well suppressed, and road noise is modest on average pavement — tire choice matters here, but the stock all-seasons are a reasonable compromise between grip and refinement.

The one-pedal driving mode is effective but not aggressive. Lift-off regen blends smoothly with the friction brakes in a way that many EVs still can’t match. Porsche clearly spent time tuning the transition, and it shows.

What you don’t get in the RWD model is the rear-wheel steering or the PASM air suspension that are standard on the 4S and Turbo variants. The base chassis is still excellent — double wishbones up front, multi-link rear — but the more expensive models do offer meaningfully better body control over rough pavement.

Charging: The Taycan’s Real Party Trick

Where the Taycan pulls further ahead of the range conversation is charging speed. The 800V architecture supports up to 270 kW peak DC fast charging, and Porsche’s preconditioning logic gets the battery to the optimal temperature before you arrive at a charger.

In our testing, a 10% to 80% charge on a 350 kW DC fast charger took 22 minutes. That’s quicker than the vast majority of EVs on the market, and it means a 20-minute stop can add 140+ miles of range if you’re driving conservatively.

On a Level 2 home charger at 240V, expect about 9.5 hours for a full charge from empty on the standard battery, or roughly 11 hours for the Performance Battery Plus.

Range vs. The Competition

Model	EPA Combined	Real-World 70 mph
2023 Porsche Taycan RWD (93.4 kWh)	225 mi	~297 mi
2023 Tesla Model 3 Long Range	333 mi	~310 mi
2023 Hyundai IONIQ 6 RWD Long Range	361 mi	~340 mi
2023 BMW i4 eDrive40	282 mi	~265 mi

The numbers tell an honest story: at steady highway speeds, the Taycan punches well above its EPA rating. The IONIQ 6 and Model 3 still beat it on absolute range, but the Taycan’s charging speed narrows that gap considerably on longer road trips. A 22-minute charging stop every 280 miles is more manageable than a 45-minute stop every 340 miles if the fast charger network favors the shorter-leg scenario.

What We’d Change

The Taycan RWD is a compelling daily EV, but there are a couple of honest trade-offs worth noting.

First, the base RWD with the standard 79.2 kWh battery has a real-world range more in the 225-mile neighborhood — a meaningful step down from the Performance Battery Plus version. If you’re regularly doing 200+ mile highway drives, the larger battery is worth the $5,780.

Second, the rear seat isn’t as spacious as the exterior suggests. Adults over six feet will find headroom marginal, and legroom is tight behind a front seat set for a six-footer. This is fine for occasional use, but if you regularly carry adult passengers, the Taycan’s compromises become more apparent.

Third — and this isn’t unique to Porsche — the car really wants you to use the Porsche Charging Service for the best Plug & Charge experience. Trying to use a random Electrify America station without the app can be clunky compared to a Tesla that just works.

The Verdict

The 2023 Porsche Taycan RWD won’t win a range war against the IONIQ 6 or Tesla Model 3. It doesn’t need to. What it does is deliver a driving experience that those cars can’t match — the low-slung feel, the precise steering, the genuine sports car proportions — with enough range to make it genuinely usable as a daily driver.

At a steady 70 mph, you’re looking at close to 300 miles of real-world range. That’s not a number Porsche leads with, but it’s the number that matters when you’re actually driving.

If you’re buying a Taycan RWD because you want the most range per dollar, you’re shopping in the wrong showroom. If you’re buying it because you want the best electric driving experience under $100,000 — it’s hard to argue against it.